Read the following and choose the correct answer.

X, Y and Z are three whole numbers less than 24 but greater than 11. X is the smallest prime number. Y is the largest number divisible by 3. Z is the smallest number divisible by 11

Forces and Motion
Federal MDCAT 2022
Logical Reasoning
A) X is 13, Y is 24, Z is 11
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B) X is 13, Y is 21, Z is 22
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C) X is 11, Y is 21, Z is 11
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D) X is 11, Y is 24, Z is 22
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Which one is not true about isotope

Forces and Motion
Academy Questions
Chemistry
Introduction to Fundamental Concepts of Chemistry
A) Same number of neutrons
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B) Same mass number
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C) Same physical properties
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D) All of these
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The government has increased the taxes on all businesses in Pakistan.

Many small businesses will have to close their operation in Pakistan.

Forces and Motion
Federal MDCAT 2022
Logical Reasoning
A) Statement I is the cause and Statement II is the effect.
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B) Statement II is the cause and Statement I is the effect.
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C) Both statements I and II are independent causes.
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D) Both the statement I and II are the effects of independent causes.
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Read the passage and the following statements below. then choose the option basing your answer only on the option provided.

The early Mediaeval period ( 642-1219 CE) witnessed the spread of Islam in regions which is now known as Pakistan. during this period Sufi missionaries played a pivotal rule in converting a majority of the regional Buddhist and population to islam.

I. Islam was spread in Pakistan region during early Mediaeval period.

II. Sufi missionaries converted alot of people to islam during this time.

III. It can be said that the Sufis were responsible for Pakistan ultimately by an Islamic country.

Forces and Motion
Federal MDCAT 2022
Logical Reasoning
A) Only I is correct.
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B) Only I and II are correct.
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C) I, II and III all are correct.
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D) Only I and III are correct.
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Read the following statement, assuming everything in it to be true. Then consider which one of the given suggested courses of action logically follow and are pursuing.

Statement:

My laptop’s battery is low and needs to be charged.

Course of action

I. Stop using the laptop to save power.

II. Get a new fully charged battery and replace it with an old one.

Forces and Motion
Federal MDCAT 2022
Logical Reasoning
A) I
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B) II
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C) Both I and II
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D) Neither I NOR II
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A battery whose emf is 40 V has an internal resistance of 5 Ohms. If this battery is connected to a 15 Ohms resistor ‘R’, what will be the voltage drop across ‘R’:

NTS 2010
Physics
Current Electricity
Electrical Power and Power Dissipation in Resistors
A) 10 V
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B) 30 V
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C) 40 V
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D) 50 V
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Which of the following is not present in plant cells?

Biology
Cell Structure and Function
A) Flagella
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B) Cell wall
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C) Central vacuole
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D) Chloroplast
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The force between two charges Q and q, separated by a distance d is F. What will be the force between them when distance between them is d/2?

Forces and Motion
PMC Practice 33
Physics
Electrostatics
A) 4F
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B) 2F
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C) F
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D) F/2
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In photosynthesis, the dark reaction is called so because

Forces and Motion
PMC Practice 21
Biology
Bioenergetics
Light Independent Mechanism of Photosynthesis
A) It occurs in darkness.
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B) It does not require light energy.
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C) It cannot occur during the daytime.
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D) It occurs more rapidly at night.
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Which statement describes the electric potential difference between two points in the electric field of charge Q?

Electrostatics
Physics
NTS 2019
A) The difference of electric field between the points per unit charge.
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B) The ratio of the power dissipated between the points to the mass of charge
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C) The work done in moving a test charge between points divided by the magnitude of the test charge.
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D) The force required to move a unit positive charge between the points per unit charge.
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Nucleolus is visible in

Biology
Cell Structure and Function
A) Interphase
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B) Mitotic phase
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C) Metaphase
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D) Anaphase
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A car is travelling in a straight line along a highway at a constant speed of 80miles per hour for 10 seconds. Find its acceleration.

NTS 2015 SMBBMC
Physics
Forces and Motion
Forces and Motion
Displacement, Velocity and Acceleration
A) 100 m/s2
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B) 200 m/s2
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C) 0m/s2
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D) 150m/s2
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The slope of distance – time graph will always be:

PMC 2020
Physics
Forces and Motion
Displacement, Velocity and Acceleration
A) Negative
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B) Positive
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C) Zero
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D) Maximum
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The isomerism that arises due to the difference in carbon atoms on both sides of the functional group is called:

Forces and Motion
PMC 2021 Tested
Chemistry
Hydrocarbons
Introduction to Hydrocarbons
A) Optical isomerism
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B) Stereoisomerism
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C) Metamerism
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D) Stereoisomerism
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H3O+ ions act as ____.

Forces and Motion
PMC Practice 26
Chemistry
Chemical Equilibrium
Solubility Product and Precipitation Reactions
A) Base
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B) Catalyst
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C) Buffer
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D) Acid
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Different kinds of atoms of the same element are called isotope having different __________but same ___________ properties.

Forces and Motion
PMC Practice 1
Chemistry
Introduction to Fundamental Concepts of Chemistry
Isotopes
A) Physical, atomic
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B) Physical, chemical
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C) Chemical, physical
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D) Chemical, atomic
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The newton-second is the unit of:

PMC 2020
Physics
Forces and Motion
A) Work
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B) Power
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C) Impulse
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D) velocity
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The ability of an atom in a covalent bond to attract the bonding electrons is called:

Forces and Motion
UHS 2011
Chemistry
Chemical Bonding
Electron Affinity and Electronegativity
A) Ionization energy
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B) Ionic bond energy
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C) Electronegativity
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D) Electron affinity
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Storage form of lipids is:

Forces and Motion
PMC Practice 6
Biology
Biological Molecules
Lipids
A) Esterified cholesterol
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B) Glycerophospholipids
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C) Triglycerides
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D) Sphingolipids
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A sphere of charge +Q is fixed in a position. A smaller sphere of +q is placed near the larger sphere and released from the rest. The small sphere will move away from the large sphere with?

NTS 2014
Physics
Electrostatics
A) Decreasing velocity and decreasing acceleration
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B) Decreasing velocity and increasing acceleration
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C) Decreasing velocity and constant acceleration
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D) Increasing velocity and decreasing acceleration
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Catenation is a process in which carbon shows the properties of:

NTS 2010
Chemistry
Hydrocarbons
Introduction to Hydrocarbons
A) Making single bond
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B) Hybridization
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C) Making chains or rings of carbon atoms
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D) Isomerism
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Enthalpy is measured at _____:

Forces and Motion
UHS 2017 Reconduct
Chemistry
Thermochemistry
Standard States and Enthalpy Changes
A) 300 K and 2 atm
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B) 300 K and 1atm
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C) 298 K and 1 atm
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D) 295 K and 1 atm
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Two capacitors C1 = 3 uF and C2 = 6 uF are in series across a 90 volts D.C. supply. The total capacitance is given by:

NTS 2012
Physics
Electrostatics
A) 9 uF
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B) 2 uF
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C) 10 uF
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D) 90 uF
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Thyroid gland requires high amount of:

NUMS 2016
Biology
Coordination and Control
Endocrine System and its Hormones
A) Phosphate
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B) Calcium
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C) Iodine
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D) Sodium
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Which one is not an energy releasing process?

Forces and Motion
PMC Practice 20
Biology
Bioenergetics
Introduction to Photosynthesis
A) Glycolysis
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B) Photosynthesis
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C) Respiration
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D) Krebs Cycle
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Which group of hormones is made up of amino acids and their derivatives?

Forces and Motion
UHS 2011
Biology
Coordination and Control
Endocrine System and its Hormones
A) Vasopressin and ADH
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B) Epinephrine and Norepinephrine
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C) Oestrogen and Testosterone
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D) Insulin and Glucagon
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Which of the following is universal donor?

Forces and Motion
PMC Practice 22
Biology
Variation and Genetics
Blood Group System
A) A
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B) B
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C) AB
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D) O
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Many elements have fractional atomic masses. This is because:

Forces and Motion
NUMS 2020
Chemistry
Introduction to Fundamental Concepts of Chemistry
Introduction to the Atom
A) Mass of atom is itself reactional
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B) Atomic masses are average masses of isobars
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C) Atomic masses are average masses of isotopes
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D) Atomic masses are average masses of isotopes proportional to their abundance
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Ice is less dense than water at:

Forces and Motion
UHS 2014
Chemistry
Chemical Bonding
Hydrogen Bonding
A) 0C
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B) 4C
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C) 2C
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D) -4C
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The part of chlorophyll molecule embedded in the core of thylakoid membrane is?

Forces and Motion
PMC Practice 19
Biology
Bioenergetics
Photosynthetic pigments
A) Hydrophilic
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B) Hydrophobic
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C) Both of these
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D) None of these
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Two forces equal in magnitude but opposite In direction and not acting along the same line constitute a couple. The movement of this couple will be:

NTS 2018
Physics
Forces and Motion
Newton’s Laws of Motion
A) Dependent on the location of the origin
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B) Independent of the location of the origin
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C) Zero
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D) Scalar product
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In an amino acid in which the R-group is H, its name will be

Forces and Motion
UHS 2011
Biology
Biological Molecules
Proteins
A) Alanine
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B) Glycine
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C) Leucine
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D) Valine
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A dihybrid test cross (two traits) was made between true-breeding EEWW flies and eeww flies. The resulting F1 generation was then crossed with eeww flies. 100 offspring in the F2 generation were examined and the E and W genes were determined to be not linked. Differentiate between the correct genotypes of the F2 offspring of the unlinked genes and the predicted genotypes if the genes were instead found to be linked.

Forces and Motion
AKU Question Bank
Biology
Genetics and Evolution – AKU
A) Not linked: parental genotypes EeWw and eeww; linked: 25% Eeww, 50% eeWw
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B) Not linked: 25% EeWw, 25% Eeww, 25% eeWw, and 25% eeww; linked: 50% EeWw and 50% eeww
Show Explanation
C) Linked genotypes (EeWw and eeww) and recombinant genotypes (Eeww and eeWw) in the F2 generation are nearly the same irrespective of their linkage
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D) Nor linked: 25% EeWw and eeww with 75% Eeww and eeWw; linked: mostly with parental genotypes, Eeww and eeWw
Show Explanation

Which of the following organelle have a continuous connection with a nuclear membrane?

Biology
Cell Structure and Function
A) Golgi Apparatus
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B) Lysosomes
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C) RER
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D) SER
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If there are 12 carbon atoms in a disaccharide, how many OH groups will it have?

Forces and Motion
AKU Question Bank
Biology
Introductory Biology – AKU
A) 11
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B) 8
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C) 10
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D) 12
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Time constant is defined as the time required by the capacitor ____.

Forces and Motion
PMC Practice 33
Physics
Electrostatics
A) To deposit 63% of the equilibrium charge
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B) To deposit 36% of the equilibrium charge
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C) To deposit 63 times of the equilibrium charge
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D) To deposit 36 times of the equilibrium charge
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The prolactin hormone, responsible for the activation of mammary glands to start producing milk, is a hormone of the:

NTS 2010
Biology
Coordination and Control
Endocrine System and its Hormones
A) Pituitary gland
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B) Pancreas
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C) Thyroid gland
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D) Thymus gland
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In acidic medium, amino acids carry positive charge and act as:

Forces and Motion
PMC Practice 6
Biology
Biological Molecules
Proteins
A) Acid
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B) Base
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C) Neutral
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D) None of these options are correct
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The sex of individuals of next generation always depends on one of the parents who is:

Forces and Motion
UHS 2011
Biology
Variation and Genetics
Sex Determination
A) Heterogametic
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B) Homogametic
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C) Isogametic
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D) Isomorphic
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Le Chatelier’s Principle is about?

Forces and Motion
Chemistry
Chemical Equilibrium
Factors Affecting Equilibria
A) Reaction Mixture.
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B) Reactants.
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C) Equilibrium Mixture.
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D) Products.
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When the two partially filled atomic orbitals overlap in such a way that the probability of finding electron is maximum around the line joining the two nuclei, the result is the formation of

Forces and Motion
UHS 2014
Chemistry
Chemical Bonding
VSEPR Theory
A) Sigma Bond
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B) Pi-Bond
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C) Hydrogen Bond
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D) Metallic Bond
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Avogadro’s constant is the number of:

Forces and Motion
PMC 2021 Tested
Chemistry
Introduction to Fundamental Concepts of Chemistry
Important Assumptions of Stoichiometric Calculations
A) Electrons present in 2g of H
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B) Atoms in 24g of Mg
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C) Atoms in 1g of He
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D) Molecules in 35.5g of Chlorine
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What are the distinguishing features of fibrous proteins?

Forces and Motion
PMC Practice 6
Biology
Biological Molecules
Proteins
A) Non-crystalline
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B) Elastic
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C) Disorganized
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D) Both A and B
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The word ‘ritual’ means _________.

Forces and Motion
Federal MDCAT 2022
English
A) Original
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B) Religion
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C) Routine
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D) Custom
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Which of the following proteins is present in microtubules?

Biology
Cell Structure and Function
A) Tubulin
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B) Myosin
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C) Actin
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D) Tropomyosin
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What is the main difference between prokaryotes and eukaryotes?

Biology
Cell Structure and Function
A) Prokaryotes cannot undergo cell division
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B) Prokaryotes have no DNA
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C) Prokaryotes do not have internal membranes
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D) Prokaryotes have no cytosol
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Which of the following statements is incorrect?

Biology
Cell Structure and Function
A) CO2 fixation occurs in stroma
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B) Inter-granum is photosynthetic
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C) Chloroplasts are self-replicating
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D) Chloroplasts have 70S ribosomes
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Fatty acid are the organic compounds containing hydrogen, oxygen and one of the following are

Forces and Motion
UHS 2011
Biology
Biological Molecules
Lipids
A) –COOH
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B) –NH2
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C) Acyl
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D) Sucrose
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Kilowatt-hour is a unit of?

Forces and Motion
NUMS 2020
Physics
Work, Power and Energy
Power and Energy
A) Electric Energy
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B) Power
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C) Momentum
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D) Torque
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The K.E. of a body of mass 2kg and momentum of 2Ns is:

Forces and Motion
PMC Sample 1
Physics
Work, Power and Energy
Work, Power & Energy
A) 1 J
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B) 2 J
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C) 3 J
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D) 4 J
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All of following are common molecules in membrane of all type of cells except:

Biology
Cell Structure and Function
A) Globular protein
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B) Cholesterol
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C) Traces of carbohydrates
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D) Phospholipid
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A whistler with a velocity of 33 m/s approaches a stationary observer with a frequency of 450 Hz. What is the apparent frequency heard by the observer?

Forces and Motion
PMC 2021 Tested
Physics
Wave Motion and Sound
Periodic Waves
A) 500 Hz
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B) 400 Hz
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C) 430 Hz
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D) 300 Hz
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All chromosomes other than sex chromosomes are called:

Forces and Motion
PMC Practice 23
Biology
Variation and Genetics
Sex Determination
A) Autosomes
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B) Allosomes
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C) Microsomes
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D) None of them
Show Explanation

The rate at which work is being done is called:

Forces and Motion
UHS 2018
Physics
Work, Power and Energy
Work Done by Constant Force and Variable Forces
A) Power
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B) Energy
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C) Density
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D) Force
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Rate of photosynthesis does not depend upon:

Forces and Motion
PMC Practice 20
Biology
Bioenergetics
Factors affecting photosynthesis
A) Quality of light
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B) Intensity of light
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C) Duration of light
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D) Temperature
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Alkenes have which type of hybridization?

Forces and Motion
PMC Practice 36
Chemistry
Hydrocarbons
Alkenes
A) sp2
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B) sp3
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C) sp2d
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D) sp
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If at equilibrium state temperature is increased, it will favour

Forces and Motion
PMC Practice 27
Chemistry
Chemical Equilibrium
State of Chemical Equilibrium
A) Exothermic Reactions
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B) Endothermic Reactions
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C) Reversible gaseous reactions
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D) Irreversible reactions
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IUPAC Nomenclature of:

CH3 – CH = CH – CH2 – CH = CH2 is:

NTS 2011
Chemistry
Hydrocarbons
Nomenclature of Hydrocarbons
A) 2 – pentene
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B) 1 , 4 – hexadiene
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C) 3 – methyl butane
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D) 1, 3, 5 – heptatriene
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Which of the following are energy giving?

Forces and Motion
PMC 2021 Tested
Biology
Biological Molecules
Lipids
Proteins
A) Fats and proteins
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B) Minerals and vitamins
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C) All of these
Show Explanation
D) Water and carbohydrates
Show Explanation

For a certain organ pipe, three successive resonance frequencies are observed at 425, 595, and 765 Hz. The speed of the sound in air is 340 m/s. The pipe is:

Forces and Motion
UHS 2017 Reconduct
Physics
Wave Motion and Sound
Resonance of Air Column and Organ Pipes
A) Closed pipe of length 1 m
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B) Closed pipe of length 2 m
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C) Open pipe of length 1 m
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D) Open pipe of length 2 m
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If enzymes stop their functions, then biochemicaI reactions would:

Forces and Motion
AKU Question Bank
Biology
Introductory Biology – AKU
A) Stop
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B) Be slowed down
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C) Not affected
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D) Carried out at faster rate
Show Explanation

The length and radius of an electric resistance of a certain wire are doubled simultaneously, then the:

Forces and Motion
Physics
PMC Practice 16
Current Electricity
Wire Wound Variable Resistors
A) Resistance will be doubled and specific resistance will be halved
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B) Resistance will be halved and specific resistance will be unchanged
Show Explanation
C) Resistance will be halved and specific resistance will be doubled
Show Explanation
D) Both will remain unchanged
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Which of the following compounds possesses only a single covalent bond between carbon and hydrogen?

NUMS 2016
Chemistry
Hydrocarbons
Alkanes and Paraffins
Alkenes
Alkynes
A) CH4
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B) C2H2
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C) C2H4
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D) All of the above
Show Explanation

What is the specific name given to the biological membrane that surrounds the vacuoles?

Biology
Cell Structure and Function
A) Plasma membrane
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B) Endomembrane
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C) Plasmalemma
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D) Tonoplast
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Which one of the following force is non-conservative:

PMC 2020
Physics
Forces and Motion
Forces and Motion
A) Frictional force
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B) Gravitational force
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C) Electric force
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D) Elastic spring force
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A potential difference of 10V is applied across a conductor whose resistance is 2.5 Ohms. What is the value of current flowing through it?

Forces and Motion
Physics
PMC Practice 17
Current Electricity
Electric Current
A) 4 A
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B) 2 A
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C) 6 A
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D) 10 A
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Energy consumed by 60 watt bulb in 2 minutes is equal to:

Forces and Motion
UHS 2018
Physics
Work, Power and Energy
Power and Energy
A) 7.2 kilo joules
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B) 720 joules
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C) 120 joules
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D) 72000 joules
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Assume that you have two balls of Identical volume, one weighing 2 Newtons and the other 10 Newtons. Both are falling freely after being released from the same point simultaneously. Which of the following will then be true:

I. The 10 N ball falling freely from rest will be accelerated at a greater rate than the 2 N ball

II. At the end of the 4s of freefall, the 10 N ball will have 5 times the momentum of the 2 N ball

III. At the end of the 4s of free fall, the 10 N ball will have the same kinetic energy as the 2 N ball

IV. The 10 N ball possesses greater inertia than the 2 N ball

NTS 2010
Physics
Forces and Motion
Displacement, Velocity and Acceleration
A) I, Il and Ill only
Show Explanation
B) I and II only
Show Explanation
C) II and IV only
Show Explanation
D) IV only
Show Explanation

The covalent bond between monosaccharides of sucrose is called:

Forces and Motion
PMC 2021 Tested
Biology
Biological Molecules
Carbohydrates
A) Glycosidic bond
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B) Peptide bond
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C) Hydrogen bond
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D) Ionic bond
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Which of the following light is least absorbed by plants?

Forces and Motion
PMC Practice 19
Biology
Bioenergetics
Photosynthetic pigments
A) Orange blue
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B) Red
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C) Blue
Show Explanation
D) Green
Show Explanation

A mass of 20 kg is lifted from the floor to a height of 2m in 4.9 sec. Calculate the power in Watts.

Forces and Motion
NUMS 2019 Reconduct
Physics
Work, Power and Energy
Power and Energy
A) 60 W
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B) 80 W
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C) 100 W
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D) 120 W
Show Explanation

Krebs cycle occurs in______ of mitochondria

Biology
Cell Structure and Function
A) Matrix
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B) F1 Particles
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C) Stroma
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D) Cristae
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A body starts sliding on a rough horizontal surface with a speed of 10 m/s. If the coefficient of friction is 0.2, find the distance traveled by the body before coming to rest. (g = 10m/s)

NTS 2010
Physics
Forces and Motion
Displacement, Velocity and Acceleration
A) 15 m
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B) 25 m
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C) 35 m
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D) 40 m
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Reactions in which simple substances are combined to form complex substances are called:

Forces and Motion
PMC Practice 6
Biology
Biological Molecules
Introduction to Biological Molecules
A) Metabolic reactions
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B) Catabolic reactions
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C) Anabolic reactions
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D) None of these
Show Explanation

“The magnitude of electrostatic force between two point charges is directly proportional to the product of the magnitude of the charges and inversely proportional to the square of the distance between them.” This is known as:

NTS 2015 SMBBMC
Physics
Forces and Motion
Electrostatics
A) Gauss’s Law
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B) Ohm’s law
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C) Faraday’s law
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D) Newton’s Law
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E) Coulomb’s Law
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Baldness is most frequent in which of the following?

Forces and Motion
PMC Practice 20
Biology
Variation and Genetics
Sex Linkage
A) Men
Show Explanation
B) Women
Show Explanation
C) Both A and B
Show Explanation
D) Children
Show Explanation

An automobile is moving forwards with uniform velocity due to the force exerted by its engine. If the force is doubled with the velocity remaining constant what happens to its total power?

Forces and Motion
UHS 2019
Physics
Work, Power and Energy
Power and Energy
A) It is squared
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B) It is halved
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C) It is doubled
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D) It does not change
Show Explanation

In what form is the energy stored in a charged capacitor?

PMC 2020
Physics
Forces and Motion
Electrostatics
A) gravitational
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B) electrical potential
Show Explanation
C) magnetic field
Show Explanation
D) potential
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EMF becomes equal to terminal potential difference when

Forces and Motion
Physics
PMC Practice 16
Current Electricity
Electomotive Force and Potential Difference
A) circuit is closed
Show Explanation
B) current is max
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C) circuit is open
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D) all of these
Show Explanation

Choose the correct spelling.

Forces and Motion
Federal MDCAT 2022
English
A) Renessance
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B) Renaisance
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C) Renaisance
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D) Renaissance
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Which option precisely describes the function of nucleoli?

Biology
Cell Structure and Function
A) Formation and breakdown of nuclear envelope.
Show Explanation
B) Formation of centromere
Show Explanation
C) Formation of ribosomes
Show Explanation
D) Organization of spindle during nuclear division
Show Explanation

Addison’s disease is caused due to destruction of

Forces and Motion
UHS 2011
Biology
Coordination and Control
Disorders of the Nervous System
A) Adrenal Cortex
Show Explanation
B) Pituitary Adrenal Axis
Show Explanation
C) Adrenal Medulla
Show Explanation
D) Hypothalamus
Show Explanation

DNA molecule is double stranded, in which two chains of DNA are twisted around each other by:

Forces and Motion
UHS 2011
Chemistry
Chemical Bonding
Hydrogen Bonding
A) Hydrogen bonds
Show Explanation
B) Vander Waal’s force
Show Explanation
C) Covalent bonds
Show Explanation
D) Dative bonds
Show Explanation

If a dielectric material is placed between two plates of a capacitor, the net capacitance of the capacitor:

NTS 2018
Physics
Electrostatics
A) Decreases
Show Explanation
B) Increases
Show Explanation
C) Remains constant
Show Explanation
D) Zero
Show Explanation

This is an example of glycoprotein:

Forces and Motion
PMC Practice 6
Biology
Biological Molecules
Conugated Molecules
A) Starch
Show Explanation
B) Haemoglobin
Show Explanation
C) Lecithin
Show Explanation
D) Mucin
Show Explanation

Which is the unit of energy

Forces and Motion
PMC Sample 3
Physics
Work, Power and Energy
Power and Energy
A) joule
Show Explanation
B) erg
Show Explanation
C) kWh
Show Explanation
D) all of these
Show Explanation

The water splitting step of photosynthesis is called?

Forces and Motion
PMC Practice 20
Biology
Bioenergetics
Light Dependent Mechanism of Photosynthesis
A) Hydrolysis
Show Explanation
B) Chemolysis
Show Explanation
C) Photolysis
Show Explanation
D) Photosynthesis
Show Explanation

At equilibrium if the concentration of product is increased reaction will proceed to?

Forces and Motion
Chemistry
Chemical Equilibrium
Factors Affecting Equilibria
A) Forward Direction
Show Explanation
B) Backward Direction
Show Explanation
C) Remain Undisturbed
Show Explanation
D) None of these
Show Explanation

Ohm multiplied by farad is equivalent to:

PMC 2020
Physics
Forces and Motion
Electrostatics
A) Time
Show Explanation
B) Charge
Show Explanation
C) Distance
Show Explanation
D) Capacitor
Show Explanation

Read the passage below to answer the question:

Hemophilia is a disorder in which blood fails to clot. Saad, a male hemophiliac, marries Sara, a normal woman and together they have four children, two boys (Ahmed and Ali) and two girls (Alia and Ayesha). None of the children display the symptoms of Hemophilia. Ahmed, Ali, Ayesha, and Ali all marry normal individuals and have children. None of Ahmeds or Ali’s children, male or female, display symptoms of hemophilia, but the sons of Alia and Ayesha display symptoms of hemophilia while the daughters of Alia and Ayesha do not.

Which of the following individuals are heterozygous for hemophilia:

NTS 2010
Biology
Variation and Genetics
Inherited Diseases
A) Saad, Ahmed, and Ali
Show Explanation
B) Ahmed, Ali, Alia, and Ayesha
Show Explanation
C) Saad and Sara
Show Explanation
D) Alia and Ayesha
Show Explanation

The IUPAC name of the following compound is:

NUMS 2016
Chemistry
Hydrocarbons
Nomenclature of Hydrocarbons
A) 1-Ethyl-2, 4-dimethlycyclohexane
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B) 2-Ethyl-1,4-dimethylcyclohexene
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C) 2-Ethyl-1, 1-dimethylcyclohexane
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D) 4-Ethyl-1, 2-dimethylcyclohexane
Show Explanation

Which of the following describes the fluid mosaic model of plasma membrane structure?

Biology
Cell Structure and Function
A) Phospholipid monolayer with embedded proteins
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B) Phospholipid bilayer with embedded proteins
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C) Triglyceride bilayer with embedded proteins
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D) Triglyceride monolayer with embedded proteins
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Which of the following is an unsaturated fatty acid?

Forces and Motion
PMC 2021 Tested
Biology
Biological Molecules
Lipids
A) Oleic acid
Show Explanation
B) Both of these
Show Explanation
C) Palmitic acid
Show Explanation
D) None of these
Show Explanation

In the first reaction of catabolism, ______ free the ________.

Forces and Motion
PMC Practice 5
Biology
Biological Molecules
Proteins
A) Fatty acids, polysaccharides
Show Explanation
B) Protein, amino acids
Show Explanation
C) Lipids, glucose
Show Explanation
D) None of these options is correct
Show Explanation

In plasma membrane, carbohydrates combine with the lipids and proteins to form glycolipids and glycoproteins and are oriented:

Biology
Cell Structure and Function
A) Towards inside
Show Explanation
B)
Towards outside

Show Explanation
C) Towards inside and outside
Show Explanation
D) Randomly distributed
Show Explanation

Which of the following cell type is more appropriate to study mitochondrial :

Biology
Cell Structure and Function
A) RBC
Show Explanation
B) Muscle cell
Show Explanation
C) Mesophyll cell
Show Explanation
D) E.coli
Show Explanation

The point at which there is no net exchange of gases between leaves and atmosphere is known as?

Forces and Motion
PMC Practice 20
Biology
Bioenergetics
Introduction to Photosynthesis
A) Neutral point
Show Explanation
B) Compensation point
Show Explanation
C) Parallel point
Show Explanation
D) Competitive point
Show Explanation

The main process that occurs in the dark reaction in photosynthesis is:

NTS 2010
Biology
Bioenergetics
Light Independent Mechanism of Photosynthesis
A) That water is split.
Show Explanation
B) Light energy is converted into chemical energy.
Show Explanation
C) That glucose is oxidized.
Show Explanation
D) That carbon-dioxide is fixed.
Show Explanation

The values of electric intensity will ____ due to the presence of dielectric medium:

PMC 2020
Physics
Electrostatics
A) Increase
Show Explanation
B) Increase exponentially
Show Explanation
C) Decrease
Show Explanation
D) Remain same
Show Explanation

If a car collides with a housefly, what will be the magnitude of the force experienced by the housefly?

NTS 2018
Physics
Forces and Motion
Newton’s Laws of Motion
A) Much greater than the force experienced by the car
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B) Much lesser than than the force experienced by the car
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C) Same as the force experienced by the car
Show Explanation
D) 10 times less than the force experienced by the car
Show Explanation

dentify the error in the sentence and choose the correct answer.

Forces and Motion
Federal MDCAT 2022
English
A) Tennis gives you plenty of exercise, it develops quickness of eyes and calls your brain, your thinking power into action.
Show Explanation
B) Tennis gives you plenti off exercise, it develops quickness of eyes and limb your brain, your thinking power into action.
Show Explanation
C) Tennis gives you plenti off exercise, it develops quickness of eyes and limb upon your brane, your thinking power over action.
Show Explanation
D) Tennis gives you plenty of exercise; it develops quickness of eyes and calls your brain, your thinking power into action.
Show Explanation

I don’t think I ____ be able to go.

Forces and Motion
Federal MDCAT 2022
English
A) Can
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B) Should
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C) Shall
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D) Must
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Choose the correct option.

Negotiations between the two sides have ………….

Forces and Motion
Federal MDCAT 2022
English
A) Broken off
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B) Broken down
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C) Broken up
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D) Broken in
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Identify the errors and choose the correct option.

Forces and Motion
Federal MDCAT 2022
English
A) Time, tide wait for no men.
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B) Time and tide wait for no man.
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C) The time and the tide weight for no man.
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D) Time tide wait over know man
Show Explanation

Choose the correct sentence.

Forces and Motion
Federal MDCAT 2022
English
A) Your voice was recognised by me at once.
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B) All her boats has been lost in the storm.
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C) A committee of five were appointed.
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D) The crowd were very big.
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Choose the correct spelling.

Forces and Motion
Federal MDCAT 2022
English
A) Defficiency
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B) Dafficiency
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C) Deficiency
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D) defeciency
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He began to ___ the heap of corns very carefully.

Forces and Motion
Federal MDCAT 2022
English
A) Assess
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B) Inspect
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C) Analyze
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D) Evaluate
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The word CREDENTIALS mean

Forces and Motion
Federal MDCAT 2022
English
A) Trust
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B) Qualification
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C) Credits
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D) Belief
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Ethics _____ important for a peaceful and loving society.

Forces and Motion
Federal MDCAT 2022
English
A) Have
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B) Has
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C) Are
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D) Is
Show Explanation

Choose the correct spelling.

Forces and Motion
Federal MDCAT 2022
English
A) Expident
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B) Expedent
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C) Expedient
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D) Expediant
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Finally, the accused was found guilty ___ his crime.

Forces and Motion
Federal MDCAT 2022
English
A) From
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B) Of
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C) For
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D) To
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How cold the night is!

Which type of sentence it is?

Forces and Motion
Federal MDCAT 2022
English
A) Interrogative
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B) Declarative
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C) Exclamatory
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D) Imperative
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All hammers are tools. Some tools are useless things. All useless things are trash. Which of the following is NECESSARILY TRUE given only the information above?

Conclusions

I. Some hammers are trash.

II. Some tools are trash.

III. All useless things are tools.

Forces and Motion
Federal MDCAT 2022
Logical Reasoning
A) I and III
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B) I and II
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C) II and III
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D) II
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Hundreds of years old palace could not withstand the ____ of heavy rain.

Forces and Motion
Federal MDCAT 2022
English
A) Aftermath
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B) Havoc
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C) Annoyance
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D) Massacre
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It ____ good players who bring good names to a country.

Forces and Motion
Federal MDCAT 2022
English
A) Was
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B) Were
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C) Is
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D) Are
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Engineers _____ working on a new project for the last three days.

Forces and Motion
Federal MDCAT 2022
English
A) Are
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B) Has been
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C) Have been
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D) Ought to be
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Identify the error and choose the correct option.

Forces and Motion
Federal MDCAT 2022
English
A) The wind blew, the rain fell, and the lightning flashed.
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B) The wind bleu the rain fell, and the lightning flashed
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C) The wind blew the rain fell, and the lightning flashed
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D) The wind blew, the rain fell; and the lightning flashed.
Show Explanation

A Turning fork A produces 4 beats / second with another turning fork B of frequency 280 Hz. When fork A is loaded with a little wax, the beat frequency change to 2. The frequency of fork Abefore loading is:

Forces and Motion
ETEA 2017
Physics
Wave Motion and Sound
Beats
A) 292 Hz
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B) 284 Hz
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C) 290 Hz
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D) 288 Hz
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Which one is monoisotopic element?

Forces and Motion
Chemistry
Introduction to Fundamental Concepts of Chemistry
kpc
A) Chlorine
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B) Hydrogen
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C) Flourine
Show Explanation
D) Cadmium
Show Explanation

The sound waves of frequency more than 20 khz are termed as:

Forces and Motion
ETEA 2017
Physics
Wave Motion and Sound
Fundamental and Overtone Vibration
A) Supersonic
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B) Audible
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C) Infrasonic
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D) Ultrasonic
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Water waves are:

Forces and Motion
2022 PMC Test 1
Physics
Wave Motion and Sound
Progessive Waves
A) Longitudinal waves
Show Explanation
B) Complex waves
Show Explanation
C) Transverse waves
Show Explanation
D) Both longitudinal and transverse wave
Show Explanation

Which of the following does not yield glucose on complete hydrolysis?

Forces and Motion
AKU Question Bank
Biology
Introductory Biology – AKU
A) Starch
Show Explanation
B) Glycogen
Show Explanation
C) Cellulose
Show Explanation
D) Chitin
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The energy supplied by the cell to the charge carriers is derived from the conversion of:

NUMS 2016
Physics
Electrostatics
A) Heat energy into chemical energy
Show Explanation
B) Chemical energy Into electrical energy
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C) Solar energy into electrical energy
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D) Mechanical energy into electrical energy
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When the source is at the centre of the circle and the observer is moving on the circumference of circle, the sound heard by observer

Forces and Motion
ETEA 2016
Physics
Wave Motion and Sound
Doppler Effect
A) Same
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B) Different
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C) Increasing
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D) Decreasing
Show Explanation

Pitch is ___ proportional to frequency.

Forces and Motion
2022 PMC Test 1
Physics
Wave Motion and Sound
Periodic Waves
A) Directly
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B) Inversely
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C) Exponentially
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D) No effect
Show Explanation

Students were heating CaCO3 in an open container to produce CO2 gas,

CaCO3(s) ⟶ CaO(s) + CO2(g)

If we increase pressure on this system the:

Forces and Motion
ETEA 2018
Chemistry
Chemical Equilibrium
Factors Affecting Equilibria
A) Equilibrium will shift towards right
Show Explanation
B) Equilibrium will shift towards left
Show Explanation
C) Equilibrium will not be disturbed
Show Explanation
D) System does not obey equilibrium rules
Show Explanation

Astronomers calculate the speed of distant stars moving away from us using:

Forces and Motion
FMDC 2018
Physics
Wave Motion and Sound
Doppler Effect
A) Beats
Show Explanation
B) Interference
Show Explanation
C) Superposition principle
Show Explanation
D) Doppler effect
Show Explanation

Which of the following is the major souce of variation in the origin of new species?

Forces and Motion
2022 PMC Test 3
Biology
Variation and Genetics
Evolution
A) Migration
Show Explanation
B) Mutation
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C) Selection
Show Explanation
D) Genetic drift
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How many pi bonds are there in ethene?

Forces and Motion
PMC 2021 Tested
Chemistry
Hydrocarbons
Alkenes
A) 0
Show Explanation
B) 1
Show Explanation
C) 3
Show Explanation
D) 2
Show Explanation

What is true about the electric field and electric force?

NUMS 2016
Physics
Electrostatics
A) Electric field lines are towards negative and electron flow in same direction
Show Explanation
B) Electric field lines are towards positive and electron flow in opposite direction
Show Explanation
C) Electric field lines are towards the negative and electrons flow in the opposite direction.
Show Explanation
D) Electric field lines are positive and electrons flow in the same direction.
Show Explanation

The traits that show autosomal inheritance have:

Forces and Motion
2022 PMC Test 2
Biology
Variation and Genetics
A) Equal probabilities exist in both male and female individuals.
Show Explanation
B) Different probabilities in male and female individuals
Show Explanation
C) More probabilities in male than female individuals
Show Explanation
D) More probabilities in female than male individuals
Show Explanation

Isotopes are?

Forces and Motion
Chemistry
Introduction to Fundamental Concepts of Chemistry
kpc
A) Chemically similar
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B) Physically dissimilar
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C) Chemically dissimilar
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D) Both Options A and B are correct
Show Explanation

The process that can both be endothermic and exothermic out of the following is:

Forces and Motion
ETEA 2018
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) Dissolution
Show Explanation
B) Crystallization
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C) Bond breaking
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D) Condensation
Show Explanation

Stationary waves are result of ___________ traveling in opposite direction waves.

Forces and Motion
ETEA 2016
Physics
Wave Motion and Sound
Stationary Waves
A) Identical
Show Explanation
B) Different
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C) Any of Option A or B
Show Explanation
D) Stationary waves cannot be formed
Show Explanation

The light exhibits the phenomena of constructive interference under the situation when it is __________ and __________.

Forces and Motion
FMDC 2018
Physics
Wave Motion and Sound
Interference of Waves
A) Monochromatic and in Phase
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B) Monochromatic and out of Phase
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C) In phase and non-monochromatic
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D) Out of phase and non-monochromatic
Show Explanation

The lines of force on charged particles are always:

Forces and Motion
ETEA 2016
Physics
Wave Motion and Sound
A) Linear
Show Explanation
B) Curved
Show Explanation
C) Circular
Show Explanation
D) All of these options are possible
Show Explanation

When a car travelling with constant velocity passes a stationary observer, the observer hears a change in the frequency of sound emitted by the car. Which statement is correct ?

Forces and Motion
ETEA 2017
Physics
Wave Motion and Sound
Progessive Waves
A) The change in frequency is greater as a car moves away than as it approaches.
Show Explanation
B) The greater the speed of the car, the greater the change in observed frequency.
Show Explanation
C) The observed frequency is lower as the car moves toward the observer and higher as the car moves away from the observer
Show Explanation
D) The volume of the sound heard by the observer does not change as the car approaches.
Show Explanation

Velocity of sound in air is 332m/s. Velocity of sound in vacuum would be:

Forces and Motion
FMDC 2018
Physics
Wave Motion and Sound
Progessive Waves
A) More than 332m/s
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B) Less than 332m/s.
Show Explanation
C) 332m/s
Show Explanation
D) Zero
Show Explanation

Polyploidy is more common in:

Forces and Motion
ETEA 2018
Biology
Variation and Genetics
Polygenic Inheritance And Epistasis
A) Plants
Show Explanation
B) Animals
Show Explanation
C) Bacteria
Show Explanation
D) Virus
Show Explanation

Doppler effect refers to:

Forces and Motion
2022 PMC Test 1
Physics
Wave Motion and Sound
Doppler Effect
A) The change in wave frequency
Show Explanation
B) The change in acceleration
Show Explanation
C) The change in momentum
Show Explanation
D) None of these options are correct
Show Explanation

Mark out the correct option

Forces and Motion
ETEA 2019
Physics
Wave Motion and Sound
Stationary Waves
A) The energy of any small part of a string remains constant in a travelling wave
Show Explanation
B) The energy of any small part of a string remains constant in standing wave
Show Explanation
C) The energies of all small parts of equal length are equal in a travelling wave
Show Explanation
D) The energies of all small parts of equal length are equal in a travelling wave
Show Explanation

If temperature increases, the velocity of sound:

Forces and Motion
PMC 2021 Tested
Physics
Wave Motion and Sound
Periodic Waves
A) Increases
Show Explanation
B) Decreases
Show Explanation
C) Remains same
Show Explanation
D) Increases then decreases
Show Explanation

Students were decomposing ????3 placed in a China dish by heating using burner in the laboratory. The “system” in this experiment is:

Forces and Motion
ETEA 2018
Chemistry
Thermochemistry
System, Surrounding and State Function
A) China dish
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B) Burner
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C) Laboratory
Show Explanation
D) ????3
Show Explanation

XX-XY type of sex determination pattern is present in which of the following organisms?

Forces and Motion
ETEA 2017
Biology
Variation and Genetics
Sex Determination
A) Humans
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B) Butterflies
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C) Grasshopper
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D) Drosophila
Show Explanation
E) Both A and D
Show Explanation

Pick out the odd one:

Forces and Motion
AKU Question Bank
Biology
Introductory Biology – AKU
A) Cellulose
Show Explanation
B) Galactose
Show Explanation
C) Agar
Show Explanation
D) Pectin
Show Explanation

2SO2 (g)+ O2 (g),⇌ 2SO3 (g), in the above reaction Kp and Kc are related as

Forces and Motion
Academy Questions
Chemistry
Chemical Equilibrium
A) Kp=Kcx(RT)
Show Explanation
B) Kp=Kcx(RT)2
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C) Kp=Kcx(RT)-1
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D) Kp=Kcx(RT)-2
Show Explanation

Read the passage below to answer the question:

Haemophilia is a disorder in which blood fails to clot. Saad, a male haemophiliac, marries Sara, a normal woman and together they have four children, two boys (Ahmed and Ali) and two girls (Alia and Ayesha). None of the children displays the symptoms of Haemophilia.

Ahmed, Ali, Ayesha, and Ali all marry normal individuals and have children. None of Ahmed’s or Ali’s children, male or female, display symptoms of haemophilia, but the sons of Alia and Ayesha display symptoms of haemophilia while the daughters of Alia and Ayesha do not.

Which of the following best explains the reason that Ahmed, Ali, Ayesha and Alia do not display symptoms of haemophilia, even though their father, Saad, is a haemophiliac?

NTS 2010
Biology
Variation and Genetics
Inherited Diseases
A) Haemophilia is an X-linked disorder, and Saad can only pass on his Y chromosome.
Show Explanation
B) Haemophilia is an X-linked disorder, and even though Alia and Ayesha receive a hemophiliac X-chromosome from Saad, Sara gave them a normal X-chromosome.
Show Explanation
C) Haemophilia is a Y-linked disorder, and therefore cannot be displayed in females.
Show Explanation
D) Haemophilia is a Y-linked disorder ,and Ahmed and Ali must have received an X Chromosome from Saad.
Show Explanation

The amount of energy required to beak one mole of a particular type of bond is equal to its:

Forces and Motion
2022 PMC Test 3
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) Activation energy
Show Explanation
B) Ionization energy
Show Explanation
C) Bond Energy
Show Explanation
D) Potential energy
Show Explanation

During the formation of aqueous solution of any electrolyte:

Forces and Motion
ETEA 2018
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) Heat is evolved
Show Explanation
B) Heat is absorbed
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C) Heat may evolved or absorbed
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D) Electrolyte do not dissolve in water
Show Explanation

The first hormone to be discovered was:

Forces and Motion
ETEA 2018
Biology
Coordination and Control
Endocrine System and its Hormones
A) Secretin
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B) Testosterone
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C) Insulin
Show Explanation
D) Thyroxin
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The distance between two consecutive antinodes is equal to:

Forces and Motion
FMDC 2018
Physics
Wave Motion and Sound
Stationary Waves
A) λ/8
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B) λ/6
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C) λ/4
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D) λ/2
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Third law of Newton is also called:

NUMS 2016
Physics
Forces and Motion
Newton’s Laws of Motion
A) Law of Inertia
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B) Equilibrium
Show Explanation
C) Law of action and reaction
Show Explanation
D) None
Show Explanation

Which one is the molar volume of a gas at STP?

Forces and Motion
Academy Questions
Chemistry
Introduction to Fundamental Concepts of Chemistry
A) 24dm3
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B) 22414c1m3
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C) 22.4dm3
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D) 0.22414dm3
Show Explanation

For the reaction,

CO(g) + (1/2)O2(g) ⟶ CO2(g)

Forces and Motion
ETEA 2018
Chemistry
Chemical Equilibrium
Equilibrium Constant
A) Kp > Kc
Show Explanation
B) Kp < Kc Show Explanation C) Kp = Kc Show Explanation D) Kp ≥ Kc Show Explanation

Homozygous dominants are represented with a :

Forces and Motion
2022 PMC Test 3
Biology
Chromosomes and DNA
Types & Composition of Chromosomes
Variation and Genetics
Mendelian Inheritance
A) Lower case letter
Show Explanation
B) Roman numeral
Show Explanation
C) Capital letter
Show Explanation
D) Numerical value
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The equivalent weight of iron in Fe2O3 would be:

Forces and Motion
Chemistry
Introduction to Fundamental Concepts of Chemistry
A) 18.6
Show Explanation
B) 28
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C) 56
Show Explanation
D) 112
Show Explanation

Which of the following statements is not true regarding the Newton’s third law of motion?

NUMS 2016
Physics
Forces and Motion
Newton’s Laws of Motion
A) To every action there is always an equal and opposite reaction
Show Explanation
B) Action and reaction act on the same body
Show Explanation
C) There is no cause-effect relation action and reaction
Show Explanation
D) Action and reaction forces are simultaneous forces
Show Explanation

The phenotype of heterozygote is distinct from those of the two homozygotes, not an intermediate expression, this is termed as:

Forces and Motion
UHS 2017 Reconduct
Biology
Variation and Genetics
Exceptions To Mendelian Inheritance
A) Dominance
Show Explanation
B) Complete dominance
Show Explanation
C) Incomplete dominance
Show Explanation
D) Codominance
Show Explanation

In ‘H-F’ bond electronegativity difference is ‘1.9’. What is the type of this bond?

Forces and Motion
UHS 2012
Chemistry
Chemical Bonding
Electron Affinity and Electronegativity
Covalent Bond
A) Polar covalent bond
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B) Non-polar covalent bond
Show Explanation
C) Pi (π) bond
Show Explanation
D) Co-ordinate covalent bond
Show Explanation

According to valence shell electron pair repulsion theory, the repulsive forces between the electron pair of central atom of molecule are in the order:

Forces and Motion
UHS 2013
Chemistry
Chemical Bonding
VSEPR Theory
A) Lone Pair – Lone Pair > Lone Pair – Bond Pair > Bond Pair – Bond Pair
Show Explanation
B) Lone Pair – Bond Pair > Lone Pair – Lone Pair > Bond Pair – Bond Pair
Show Explanation
C) Bond Pair – Bond Pair > Lone Pair – Lone Pair > Lone Pair – Bond Pair
Show Explanation
D) Lone Pair – Bond Pair > Bond Pair – Bond Pair > Lone Pair – Lone Pair
Show Explanation

H2 and Cl2 do not react in the dark, but in the presence of light a vigorous reaction is initiated due to the formation of:

NUMS 2016
Chemistry
Hydrocarbons
Introduction to Hydrocarbons
A) Hydrogen free radical
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B) Chlorine free radical
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C) Hydrogen chloride molecule
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D) Both hydrogen and chlorine free radicals
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A chemical reaction is catalyzed by a catalyst X. Hence, X

Forces and Motion
Academy Questions
Chemistry
Chemical Equilibrium
A) increases activation energy of the reaction
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B) does not affect equilibrium constant of the reaction
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C) decreases rate constant of’ the reaction
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D) reduces enthalpy of the reaction
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The disease which is caused by the deficiency of thyroxine:

Forces and Motion
UHS 2017 Reconduct
Biology
Coordination and Control
Endocrine System and its Hormones
A) Grave’s disease
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B) Goiter
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C) Cretinism
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D) Dwarfism
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Ethylene glycols are used as

Forces and Motion
UHS 2014
Chemistry
Hydrocarbons
Alkenes
A) Anesthetic

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B) Knocking agent
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C) Freezing agent
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D) Anti-freezing agent
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Reactants have high energy than products in

Forces and Motion
UHS 2013
Chemistry
Thermochemistry
Spontaneous and Non-Spontaneous Reactions
A) Exothermic reactions
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B) Endothermic reactions
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C) Photochemical reactions
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D) Non-spontaneous reactions
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From among the following, which hormone is the interstitial cell stimulating hormone:

Forces and Motion
UHS 2017 Reconduct
Biology
Coordination and Control
Endocrine System and its Hormones
A) FSH
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B) GH
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C) LH
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D) Prolactin
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The lattice energy of an ionic crystal is the enthalpy of:

Forces and Motion
UHS 2012
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) Combustion
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B) Dissociation
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C) Dissolution
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D) Formation
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During the contact process of H2SO4 synthesis, the following reaction occurs:

2SO2(g) + O2(g) ⇌ 2SO3(g) ΔH = -96 kJmol-1

Which step is used to increase the yield of SO3?

Forces and Motion
UHS 2016
Chemistry
Chemical Equilibrium
Factors Affecting Equilibria
A) Temperature is raised to very high degree
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B) SO3 formed is removed very quickly
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C) Both temperature and pressure are kept very low
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D) An excess of air is used to drive the equilibrium to the right side
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The angle between unhybridized p-orbital and three sp2 hybrid orbitals of each carbon atom in ethene is

Forces and Motion
UHS 2012
Chemistry
Chemical Bonding
VSEPR Theory
A) 120°
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B) 90°
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C) 109.5°

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D) 180°
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When two slightly different frequency waves superimpose ______ is formed.

Forces and Motion
UHS 2015
Physics
Wave Motion and Sound
Superposition Of Waves
A) Stationary waves
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B) Sounds waves
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C) Beats
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D) Light waves
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In the case when the electrons lose all their kinetic energy (K.E.) in the first collision, the X-ray photon emitted has the following set of frequency and wavelength?

Forces and Motion
UHS 2015
Physics
Wave Motion and Sound
Reflection of Waves and Phase Change
A) fmax , λmin
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B) fmax , λmax
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C) fmin , λmax
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D) fmin , λmin
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In crystal lattice of ice, each O-atom of water molecule is attached to

Forces and Motion
UHS 2013
Chemistry
Chemical Bonding
Covalent Bond
A) Four H-atoms
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B) Three H-atoms
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C) One H-atom
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D) Two H-atoms
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