Fact Checking:

Fact 1: Some pens don’t write

Fact 2: Only blue pens write

Fact 3: Some writing utensils are pens

If the above three statements are facts then which of the following statement will also be a fact?

I. Some writing utensils don’t write

II. Some writing utensils are blue

Ill. Some blue writing utensils don’t write

Federal Mock 1
Motion in Two Dimensions
Logical Reasoning
Logical Problems
A) Only Ill
Show Explanation
B) Only I and II
Show Explanation
C) Only I
Show Explanation
D) Only Ill and II
Show Explanation

Statement and actions:

Statement: The Management of the School has decided to give free breakfast from the next academic year to all the students in its primary section through its canteen even though they will not get any government grant.

Courses of Action

(I) The school will have to admit many poor students who will seek admission for the next academic year.

(II) The canteen facilities and utensils have to be checked and new purchases to be made to equip it properly.

(Ill) Funds will have to be raised to support the scheme for years to come.

Federal Mock 1
Motion in Two Dimensions
Logical Reasoning
Course of Action
A) Only Il and III follow
Show Explanation
B) Only Ill and I follow
Show Explanation
C) Only I and II follow
Show Explanation
D) Only I follows
Show Explanation

Making Judgements.

If in a certain language, NOIDA is coded as OPJEB, how is DELHI coded in that language?

Federal Mock 1
Motion in Two Dimensions
Logical Reasoning
Logical Problems
A) CDKGH
Show Explanation
B) EFMIJ
Show Explanation
C) FGNJK
Show Explanation
D) IHLED
Show Explanation

Dependent Causes/ Independent Causes:

Statement: All the schools in the area had to be kept closed for most of the week. Many parents have withdrawn their children from the local schools.

Federal Mock 1
Motion in Two Dimensions
Logical Reasoning
Cause and Effect
A) Statement I is the cause and statement II is its effect.
Show Explanation
B)
Statement II is the cause and statement I is its effect
Show Explanation
C) Both the statements I and II are independent causes
Show Explanation
D) Both the statements I and II are effects of independent causes
Show Explanation

Statement: The ratio of poverty is at an alarming point in our country.

Conclusions:

I. The Government needs to take steps for economic and development growth.

II. The lower class area of people in our country needs to be supported as most of them live hand to mouth.

Federal Mock 1
Motion in Two Dimensions
Logical Reasoning
Course of Action
A) Both of the conclsuions follow
Show Explanation
B) None of the conclusions follow
Show Explanation
C) Only conclusion I follows
Show Explanation
D) Only conclusion II follows
Show Explanation

Logical games:

Due to some mathematical formulae, we are getting the following results, where 2 becomes equal to 5, and 3 becomes equal to 10. What will four be equal to?

2 = 5

3 = 10

4 = ?

Federal Mock 1
Motion in Two Dimensions
Logical Reasoning
Critical Thinking
A) 9
Show Explanation
B) 13
Show Explanation
C) 14
Show Explanation
D) 17
Show Explanation

Projectile is thrown in such a way that its maximum height equals to its range, the angle of projection is

Federal Mock 1
Physics
Forces and Motion
Motion in Two Dimensions
A) Tan-1 (45)
Show Explanation
B) Tan-1 (60)
Show Explanation
C) Tan 1 (30)
Show Explanation
D) None
Show Explanation

Two bodies with kinetic energies in the ratio 4 1 are moving with equal linear momentum. The ratio of their masses is:

Federal Mock 1
Physics
Work, Power & Energy
A) 1:2
Show Explanation
B) 1:4
Show Explanation
C) 1:1
Show Explanation
D) 4:1
Show Explanation

The ratio of angular speed of moon around the Earth to its angular speed about its own axis is:

Federal Mock 1
Physics
Motion in Two Dimensions
Circular Motion & Momentum
A) 2:1
Show Explanation
B) 1:6
Show Explanation
C) 1:30
Show Explanation
D) 1:1
Show Explanation

Force F on a particle moving in a straight line varies with distance d as shown in the figure. The work done on the particle during its displacement from 3m to 12m

Federal Mock 1
Physics
Work, Power & Energy
A) 13 J
Show Explanation
B) 26 J
Show Explanation
C) 18 J
Show Explanation
D) 21 J
Show Explanation

Equation of continuity is expressed as:

Federal Mock 1
Physics
Motion in Two Dimensions
Fluid Dynamics
Equation Of Continuity
A) A1V2=A2V1
Show Explanation
B) A1V1=A2V2
Show Explanation
C) A1H2=A2H1
Show Explanation
D) A1H1=A2H2
Show Explanation

If an ideal gas has volume V at 27°C and it is heated at constant pressure so that it volume become 1.5V, the value of final temperature is:

Federal Mock 1
Physics
Motion in Two Dimensions
Heat and Thermodynamics
First Law of Thermodynamics
A) 327K
Show Explanation
B) 871K
Show Explanation
C) 177°C
Show Explanation
D) 600°C
Show Explanation

The charge on neutron is:

Federal Mock 1
Physics
Motion in Two Dimensions
Nuclear Physics
Composition of Atomic Nuclei
A) 1.6 x 10-27 C
Show Explanation
B) Zero
Show Explanation
C) 1.6 x 10-31 C
Show Explanation
D) 9.11 x 10-19 C
Show Explanation

The special theory of relativity is based upon

I) The laws of physics are same in all inertial frame

II) The speed of light in free space has the same value for all observers, regardless of their state of motion

Federal Mock 1
Physics
Motion in Two Dimensions
Dawn of Modern Physics
A) I only
Show Explanation
B) II only
Show Explanation
C) I and II only
Show Explanation
D) None of the above
Show Explanation

Three resistors of 6 Ohms each, can be connected in all possible ways. The highest value of resistance can be obtained (in ohms) be ___________.

Federal Mock 1
Physics
Motion in Two Dimensions
Current Electricity
Wire Wound Variable Resistors
A) 2 Ohms
Show Explanation
B) 4 Ohms
Show Explanation
C) 9 Ohms
Show Explanation
D) 18 Ohms
Show Explanation

A 1000 kg vehicle is turning around a corner at 10 m/s as it travels along an arc of a circle. If the radius of the circular path is 10 m, how large a force must be exerted by the pavement on the tires to hold the vehicle in the circular path?

Federal Mock 1
Physics
Motion in Two Dimensions
Circular Motion & Momentum
A) 1.0 x 104N
Show Explanation
B) 3.0 x 104N
Show Explanation
C) 5.0 x 104N
Show Explanation
D) 7.0 x 104N
Show Explanation

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

Federal Mock 1
Physics
Motion in Two Dimensions
Wave Motion and Sound
A) Monochromatic and in Phase
Show Explanation
B) Monochromatic and out of Phase
Show Explanation
C) In phase and non-monochromatic
Show Explanation
D) Out of phase and non-monochromatic
Show Explanation

If the mass of the bob of simple pendulum is doubled, its time period is:

Federal Mock 1
Physics
Motion in Two Dimensions
Oscillations and Simple Harmonic Motion
A) One half
Show Explanation
B) Doubled
Show Explanation
C) Remains constant
Show Explanation
D) One fourth
Show Explanation

The mass of a photon at rest is?

Federal Mock 1
Physics
Motion in Two Dimensions
Dawn of Modern Physics
Photoelectric Effect
A) 1 amu
Show Explanation
B) 9×10-31 kg
Show Explanation
C) 1.67 x 10-35 kg
Show Explanation
D) Zero
Show Explanation

A force of 1500 N is acting horizontally on a vehicle of mass 200 kg and the vehicle starts its motion from rest. What will be the speed of the vehicle when it covers a distance of 30 m?:

Federal Mock 1
Physics
Motion in Two Dimensions
Work, Power & Energy
A) 17 m s-1
Show Explanation
B) 21 m s-1
Show Explanation
C) 25 m s-1
Show Explanation
D) 10 m s-1
Show Explanation

Two plates are at potentials 20V and -20V respectively with a separation of 2cm between them. The electric field between them is:

Federal Mock 1
Physics
Motion in Two Dimensions
Electrostatics
Capacitor
A) 2000 V/m
Show Explanation
B) 1000 V/m
Show Explanation
C) 500 V/m
Show Explanation
D) 300 V/m
Show Explanation

The range of projectile is the same for two angles which are mutually:

Federal Mock 1
Physics
Motion in Two Dimensions
Motion in Two Dimensions
A) Perpendicular
Show Explanation
B) Supplementary
Show Explanation
C) Complementary
Show Explanation
D) 270̇°
Show Explanation

If we apply 100 N force on 10 kg box then its acceleration is:

Federal Mock 1
Physics
Motion in Two Dimensions
Forces and Motion
A) 20 m/s^2
Show Explanation
B) 5 m/s^2
Show Explanation
C) 10 m/s^2
Show Explanation
D) 40 m/s^2
Show Explanation

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

Federal Mock 1
Physics
Motion in Two Dimensions
Wave Motion and Sound
A) Monochromatic and in Phase
Show Explanation
B) Monochromatic and out of Phase
Show Explanation
C) In phase and non-monochromatic
Show Explanation
D) Out of phase and non-monochromatic
Show Explanation

If an object is undergoing an orbital motion around another object it is called

Federal Mock 1
Physics
Motion in Two Dimensions
Circular Motion & Momentum
A) Revolution
Show Explanation
B) Rotation
Show Explanation
C) Both of them
Show Explanation
D) None of them
Show Explanation

A simple pendulum suspended from the ceiling of a train has a period ‘T’ when the train is at rest. When the train is accelerating with a uniform acceleration, the time period of simple pendulum will:

Federal Mock 1
Physics
Motion in Two Dimensions
Oscillations and Simple Harmonic Motion
A) Decrease
Show Explanation
B) Increase
Show Explanation
C) Remain unchanged
Show Explanation
D) Become infinite
Show Explanation

An electron is moving along the axis of a solenoid carrying a current. Which of the following is a correct statement about the electromagnetic force acting on the electron?

Federal Mock 1
Physics
Motion in Two Dimensions
Magnetism and Electromagnetic Induction
A) The force acts radially inwards
Show Explanation
B) The force acts radially outwards
Show Explanation
C) The force acts in the direction of motion
Show Explanation
D) No force acts
Show Explanation

One complete circle is equal to:

Federal Mock 1
Physics
Motion in Two Dimensions
Circular Motion & Momentum
A) 2 radian
Show Explanation
B) 3 radian
Show Explanation
C) 5 radian
Show Explanation
D) 6 radian
Show Explanation

The distance between two consecutive antinodes is equal to:

Federal Mock 1
Physics
Motion in Two Dimensions
Wave Motion and Sound
A) λ/8
Show Explanation
B) λ/6
Show Explanation
C) λ/4
Show Explanation
D) λ/2

In medical diagnosis for precise internal imaging of brain, _________ radiographs are used.

Federal Mock 1
Physics
Motion in Two Dimensions
Nuclear Physics
Biological Effects and Uses of Radiation
A) X-ray
Show Explanation
B) Beta-ray
Show Explanation
C) Gamma-ray
Show Explanation
D) Alpha-ray
Show Explanation

A stationary wave is formed in a pipe which is open at both ends. If length of pipe is 10 cm, then what is the maximum possible wavelength of the wave?

Federal Mock 1
Physics
Wave Motion and Sound
A) 20 cm
Show Explanation
B) 5 cm
Show Explanation
C) 10 cm
Show Explanation
D) 30 cm
Show Explanation

Resistivity of a wire is _______ ohm-m if 0.75A current flows through it by applying 1.5V potential difference, take length and cross section as 5m and 2.5 x 10^-7 m^2.

Federal Mock 1
Physics
Motion in Two Dimensions
Current Electricity
Resistivity and its Dependence upon Temperature
A) 1 X 10^-7
Show Explanation
B) 2.63 X 10^-8
Show Explanation
C) 19 x 10^-8
Show Explanation
D) 7.85 x 10^-8
Show Explanation

What is the phase difference between the center of compression and the center of rarefaction in longitudinal wave?

Federal Mock 1
Physics
Wave Motion and Sound
A) 0 deg
Show Explanation
B) 45 deg
Show Explanation
C) 90 deg
Show Explanation
D) 180 deg
Show Explanation

A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is:

Federal Mock 1
Physics
Motion in Two Dimensions
Current Electricity
Electric Current
A) 6.4 A, 6.9 A
Show Explanation
B) 6.4 A, 9.6 A
Show Explanation
C) 4.6 A, 6.9 A
Show Explanation
D) 4.6 A, 9.6 A
Show Explanation

Projectile when launched at 90 degree with respect to horizontal then its trajectory is ____.

Federal Mock 1
Physics
Motion in Two Dimensions
Forces and Motion
Motion in Two Dimensions
A) Parabolic
Show Explanation
B) Periodic
Show Explanation
C) Hyperbolic trajectory
Show Explanation
D) Linear
Show Explanation

The rapid escape of air from a burst tyre is an example of:

Federal Mock 1
Physics
Motion in Two Dimensions
Heat and Thermodynamics
First Law of Thermodynamics
A) Isothermal
Show Explanation
B) Adiabatic
Show Explanation
C) Isobaric
Show Explanation
D) Isochoric
Show Explanation

When a particle is launched at angle of 90˚ with respect to the horizontal axis, then its vertical acceleration is:

Federal Mock 1
Physics
Motion in Two Dimensions
Forces and Motion
A) -9.8 m/s2
Show Explanation
B) 9.8 m/s2
Show Explanation
C) 0
Show Explanation
D) 5 m/s2
Show Explanation

Identify the main type(s) of nuclear reactors

Federal Mock 1
Physics
Motion in Two Dimensions
Nuclear Physics
Nuclear Reactions
A) Slow reactors
Show Explanation
B) Fast reactors
Show Explanation
C) Thermal reactors
Show Explanation
D) Both Slow and Fast reactors
Show Explanation

When the length of a simple pendulum is doubled, find the ratio of the new frequency to the old frequency?

Federal Mock 1
Physics
Motion in Two Dimensions
Oscillations and Simple Harmonic Motion
A) 1/4
Show Explanation
B) 1/2
Show Explanation
C) √2
Show Explanation
D) 1/√2
Show Explanation

Ratio of momentum of photons having wavelength 4000 angstrom and 8000 angstroms is?

Federal Mock 1
Physics
Motion in Two Dimensions
Dawn of Modern Physics
Pair Production and Annihilation
A) 2:1
Show Explanation
B) 1:2
Show Explanation
C) 20:1
Show Explanation
D) 1:20
Show Explanation

A fuse can be saviour against:

Federal Mock 1
Physics
Motion in Two Dimensions
Alternating Current
A) High voltage
Show Explanation
B) High current
Show Explanation
C) High power
Show Explanation
D) Heating of wires
Show Explanation

If Cv = 2.5 R, Cp = ?

Federal Mock 1
Physics
Motion in Two Dimensions
Heat and Thermodynamics
First Law of Thermodynamics
A) 0.4 R
Show Explanation
B) 2R/7
Show Explanation
C) 2.5 R
Show Explanation
D) 3.5 R
Show Explanation

Which is not radioactive?

Federal Mock 1
Physics
Motion in Two Dimensions
Nuclear Physics
Radioactivity
A) Ozone
Show Explanation
B) Hydrogen
Show Explanation
C) Sodium
Show Explanation
D) All of these
Show Explanation

As the temperature of a black body is raised, the black body radiations become richer in:

Federal Mock 1
Physics
Motion in Two Dimensions
Dawn of Modern Physics
Black Body Radiation
A) Intermediate wavelengths
Show Explanation
B) Long wavelengths
Show Explanation
C) Short wavelengths
Show Explanation
D) Low frequencies
Show Explanation

An electron is moving along the axis of a solenoid carrying a current. Which of the following is a correct statement about the electromagnetic force acting on the electron?

Federal Mock 1
Physics
Motion in Two Dimensions
Magnetism and Electromagnetic Induction
A) The force X acts radially inwards
Show Explanation
B) The force X acts radially outwards
Show Explanation
C) The force X acts in the direction of motion
Show Explanation
D) No force acts
Show Explanation

The half life of U-238 against alpha decay is 4.5 x 109 years. Find the activity of 1 kg of U-238?

Federal Mock 1
Physics
Motion in Two Dimensions
Nuclear Physics
Radioactivity
A) 2.4 x 10-4 Ci
Show Explanation
B) 3.34 x 10-4 Ci
Show Explanation
C) 4.34 x 10-4 Ci
Show Explanation
D) 2.4 x 10-5 Ci
Show Explanation

A car 500 kg is travelling at a constant speed of 9 m/s round a curve of 100m. What is the centripetal force?

Federal Mock 1
Physics
Circular Motion & Momentum
A) 205N
Show Explanation
B) 305N
Show Explanation
C) 405N
Show Explanation
D) 505N
Show Explanation

What is the half-time of a radioactive sample (in minutes), if its mean life is 200 s?

Federal Mock 1
Physics
Motion in Two Dimensions
Nuclear Physics
Radioactivity
A) 0.69 min
Show Explanation
B) 2 min
Show Explanation
C) 2.57 min
Show Explanation
D) 2.31 min
Show Explanation

In medical diagnosis for precise internal imaging of brain, _________ radiographs are used.

Federal Mock 1
Physics
Motion in Two Dimensions
Nuclear Physics
Biological Effects and Uses of Radiation
A) X-ray
Show Explanation
B) Beta-ray
Show Explanation
C) Gamma-ray
Show Explanation
D) Alpha-ray
Show Explanation

Which ion represents alpha particles?

Federal Mock 1
Physics
Motion in Two Dimensions
Nuclear Physics
Radioactivity
A) H+
Show Explanation
B) C+
Show Explanation
C) Na+
Show Explanation
D) He+
Show Explanation

A longitudinal standing wave, in second harmonic mode, is established in a tube that is open at both ends. The length of the tube is 0.80 m. What is the wavelength of the waves that make up the standing wave?

Federal Mock 1
Physics
Wave Motion and Sound
A) 0.20 m
Show Explanation
B) 0.40 m
Show Explanation
C) 0.80 m
Show Explanation
D) 1.60 m
Show Explanation

The spin of quarks is?

Federal Mock 1
Physics
Motion in Two Dimensions
Nuclear Physics
Radioactivity
A) 1
Show Explanation
B) 2
Show Explanation
C) Half
Show Explanation
D) Quarter
Show Explanation

The projectile motion of an object on earth is always ____.

Federal Mock 1
Physics
Motion in Two Dimensions
Forces and Motion
Motion in Two Dimensions
A) Linear
Show Explanation
B) Parabolic
Show Explanation
C) Cubic
Show Explanation
D) Inverse
Show Explanation

Projectile motion has _____acceleration at each point of trajectory.

Federal Mock 1
Physics
Motion in Two Dimensions
Forces and Motion
Motion in Two Dimensions
A) Variable
Show Explanation
B) Constant
Show Explanation
C) Zero
Show Explanation
D) None of these
Show Explanation

Lenz’s law states that:

Federal Mock 1
Physics
Motion in Two Dimensions
Magnetism and Electromagnetic Induction
Faradays and Lenz Law and Induced EMF
A) The flow of a fluid in a medium under same applied force experiences some sort of friction or resistance in its path
Show Explanation
B) A body remains at rest of continuous to move with uniform velocity unless acted upon by an unbalanced force
Show Explanation
C) The induced current always flows in such a direction as to oppose the change which is giving rise to it
Show Explanation
D) When a particle bearing a charge q and moving with a velocity V enters the region of a uniform magnetic field of induction B, it is acted upon by a force
Show Explanation

A body rolling freely on the surface of the earth eventually comes to rest because

Federal Mock 1
Physics
Motion in Two Dimensions
Circular Motion & Momentum
A) It has mass
Show Explanation
B) It suffers friction
Show Explanation
C) It has inertia of rest
Show Explanation
D) It has a momentum
Show Explanation

The level of radiation to which human body can be exposed is ______ times the radiation from natural source.

Federal Mock 1
Physics
Motion in Two Dimensions
Nuclear Physics
Biological Effects and Uses of Radiation
A) 1 to 10
Show Explanation
B) 10 to 100
Show Explanation
C) 10 to 1000
Show Explanation
D) 10 to 10000
Show Explanation

In rotator motion angular momentum plays a role which is analogous to that played by _____ in linear motion.

Federal Mock 1
Physics
Motion in Two Dimensions
Circular Motion & Momentum
A) Linear velocity
Show Explanation
B) Linear momentum
Show Explanation
C) Linear acceleration
Show Explanation
D) Inertia
Show Explanation

A current of 5 Amperes flows in a resistor of 2 Ohms. Calculate the energy dissipated in 300 seconds in the resistor:

Federal Mock 1
Physics
Motion in Two Dimensions
Current Electricity
Electrical Power and Power Dissipation in Resistors
A) 5 KJ
Show Explanation
B) l0 KJ
Show Explanation
C) 15 KJ
Show Explanation
D) 20 KJ
Show Explanation

Cyanobacteria have which of the following type of cell wall?

Federal Mock 1
Biology
Kingdom Prokaryote
Taxonomy, Ecology & Diversity of Bacteria
A) Gram positive
Show Explanation
B) Gram negative
Show Explanation
C) Cellulose
Show Explanation
D) Acid fast
Show Explanation

Where can viruses replicate?

Federal Mock 1
Biology
Bio-diversity | Variety of Life

At which two points of the menstrual cycle are the levels of oestrogen heights?

Federal Mock 1
Biology
Reproduction
Reproduction in Females
A) Immediately before and after ovulation
Show Explanation
B) At ovulation and during the menstrual flow
Show Explanation
C) During the menstrual flow and pregnancy
Show Explanation
D) Pregnancy and after menopause
Show Explanation

Smooth muscles, cardiac muscles, and organs are regulated by which of the following?

Federal Mock 1
Biology
Coordination and Control
Coordination in Animals
A) Central nervous system
Show Explanation
B) Parasympathetic nervous system
Show Explanation
C) Sympathetic nervous system
Show Explanation
D) Autonomic system
Show Explanation

Among invertebrates, which possesses the greatest power of regeneration?

Federal Mock 1
Biology
Kingdom Animalia
Phylums – porifera to chordata

Special structures for the absorption of digested food in the small intestine are called:

Federal Mock 2
Biology
Nutrition
Digestion and Absorption
A) Alveoli
Show Explanation
B) Tubules
Show Explanation
C) Mucous glands
Show Explanation
D) Villi
Show Explanation

A three dimensional cavity bearing a specific charge by which the enzyme reacts with its substrate is called?

Federal Mock 1
Biology

Which one of the following is NOT a mode of transmission of AIDS?

Federal Mock 1
Biology
Bio-diversity | Variety of Life

Immediate source of energy for cellular respiration is:

Federal Mock 1
Biology
Bioenergetics
Introduction to Respiration

Which of the following processes does NOT need Pyruvic Acid as a substrate?

Federal Mock 1
Biology
Bioenergetics
Light Independent Mechanism of Photosynthesis
A) Alcoholic fermentation

Retrovirus cause diseases in:

Federal Mock 1
Biology
Bio-diversity | Variety of Life

When the muscle is required to contract, then calcium ions bind with which molecule and cause them to move slightly?

Federal Mock 1
Biology
Support and Movement
Ultrastructure & Mechanism of Skeletal Muscle Contraction
A) Tropomyosin
Show Explanation
B) Actin
Show Explanation
C) Troponin
Show Explanation
D) Myosin
Show Explanation

Which of the following statements could not be used to describe a species?

Federal Mock 1
Biology
Evolution
A) A group of organism showing distinctly similar autosomes
Show Explanation
B) A group of organism showing analogues body structures
Show Explanation
C) A group of organism capable of mating to produce viable offspring
Show Explanation
D) A group of organisms sharing the same ecological niche
Show Explanation

Which of the following cannot be detected in a developing foetus by amniocentesis?

Federal Mock 1
Biology
Cell Cycle
A) Down’s syndrome
Show Explanation
B) Jaundice
Show Explanation
C) Klinefelter’s syndrome
Show Explanation
D) Sex of the foetus
Show Explanation

Match the hormones listed in Column I with the roles given under Column II. Choose the answer which gives the correct combination of alphabets of the two columns.

Federal Mock 1
Biology
Reproduction
Reproduction in Females

Which of the following is a water soluble vitamin?

Federal Mock 1
Biology
Nutrition

Which one of the following is a non-reducing carbohydrate?

Federal Mock 1
Biology
Biological Molecules
Carbohydrates

The function of a cell wall in prokaryotes is:

Federal Mock 1
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) To give cells rigidity
Show Explanation
B) To give specific shape
Show Explanation
C) To protect from osmotic lysis
Show Explanation
D) All of Above
Show Explanation

Adipose cells and small intestine secrete which enzyme

Federal Mock 1
Biology
Nutrition
Digestion and Absorption

What is the length of duodenum in cm?

Federal Mock 1
Biology
Nutrition
Digestion and Absorption

The condition in which one of more genes that have no allelic counterpart is known as:

Federal Mock 1
Biology
Variation and Genetics
A) Homozygous
Show Explanation
B) Hemizygous
Show Explanation
C) Heterozygous
Show Explanation
D) Incomplete dominance
Show Explanation

A hormone called _______ controls the secretion of gastric juice.

Federal Mock 1
Biology
Nutrition
Digestion and Absorption

In cross-section each Centriole consist of nine (each in triplets) of:

Federal Mock 1
Biology
Cell Structure and Function
Cytoplasm and Organelles

Muscular tube that passes through pharynx and joins stomach is:

Federal Mock 1
Biology
Nutrition
Digestion and Absorption

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

Federal Mock 1
Biology
Bioenergetics
Light Independent Mechanism of Photosynthesis

The bacteria can cope in unfavorable condition by producing:

Federal Mock 1
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Mesosomes
Show Explanation
B) Zygospores
Show Explanation
C) Endospores
Show Explanation
D) Hyphae
Show Explanation

Uridine, present only in RNA is a

Federal Mock 1
Biology
Biological Molecules
Nucleic Acids

The placenta releases all of the following hormones EXCEPT

Federal Mock 1
Biology
Reproduction
Reproduction in Females
A) Progesterone
Show Explanation
B) LH
Show Explanation
C) HCG
Show Explanation
D) estrogen
Show Explanation
E) Minerals
Show Explanation

The structure of an enzyme is altered by which of the following inhibitors?

Federal Mock 1
Biology

Interconversion of carbohydrates, proteins, and lipids in living cells are an example of?

Federal Mock 1
Biology
Nutrition
Digestion and Absorption

Which of the following is derived from Latin word VENUME which means poisonous?

Federal Mock 1
Biology
Bio-diversity | Variety of Life

Alleles are:

Federal Mock 1
Biology
Variation and Genetics
Mendelian Inheritance
A) Different molecular forms of a gene
Show Explanation
B) Heterozygotes
Show Explanation
C) Different phenotype
Show Explanation
D) True breeding homozygotes
Show Explanation

Which change contributes to the lowering of the blood sugar level, if a person is injected with insulin?

Federal Mock 1
Biology
Coordination and Control
Endocrine System and its Hormones

A human female with Turner’s syndrome:

Federal Mock 1
Biology
Variation and Genetics
Inherited Diseases
A) Has 45 chromosomes with XO
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B) Has one additional X chromosome
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C) Exhibits male characters
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D) Is able to produce children with normal husband.
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All the following organs produce hormones involved in the reproductive cycle EXCEPT the

Federal Mock 1
Biology
Reproduction
A) Testes
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B) Pitituary
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C) Pancreas
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D) Ovaries
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Vibrio cholera is an example of ______ type of bacteria.

Federal Mock 1
Biology
Kingdom Prokaryote
Shape of Bacteria
A) Cocci
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B) Bacilli
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C) Spirilla
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D) Commas
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Pseudo coelomate animals are:

Federal Mock 1
Biology
Kingdom Animalia
Classification according to Coelem

A virus has its genome which is enclosed by a protein coat, called:

Federal Mock 1
Biology
Bio-diversity | Variety of Life

____ are biologically active proteins.

Federal Mock 1
Biology
Biological Molecules
Proteins

Irreversible modifications require the synthesis of which of the following:

Glenoid cavity articulates

Federal Mock 1
Biology
Support and Movement
Human Skeleton

Actinia is the biological name of:

Federal Mock 1
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Sea Anemone
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B) Corals
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C) Obelia
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D) Jellyfish

The diameter of a tree is reduced slightly during the day and increased at night . Which of the following changes in environmental condition cause the greatest reduction in diameter?

Federal Mock 1
Biology
Transport

In human female FSH regulates the concentration of

Federal Mock 1
Biology
Reproduction
Reproduction in Females
A) Control
Show Explanation
B) Estrogen
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C) Cortisol
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D) Aldosterone
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Pepsin, protein digesting enzymes, sets best pH:

Which of these functions will be affected if the medulla oblongata is damaged?

Federal Mock 1
Biology
Coordination and Control
Central Nervous System
A) Thermoregulation
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B) Vision
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C) Memory
Show Explanation
D) Tactile sensation-response when pricked with a needle
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Which structure is primarily responsible for water absorption during digestion?

Rod-shaped bacteria are known as:

Federal Mock 1
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Cocci
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B) Bacilli
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C) Spirilla
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D) None of these
Show Explanation

Which of the following is mismatched?

Federal Mock 1
Biology
Support and Movement
Types of Joints

The tricuspid valve prevent backflow of blood from the:

Federal Mock 1
Biology
Transport

A structure established between the uterine and foetal tissues for the exchange of oxygen, carbon dioxide, waste, nutrients and other materials is:

Federal Mock 1
Biology
Reproduction
Reproduction in Females
A) Amnion
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B) Placenta
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C) Endometrium
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D) Uterus
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A group of cells performing same function are known as:

Federal Mock 1
Biology
Cell Structure and Function
Introduction to Cell and it’s theory

The hormone which inhibits the secretion of pancreatic juice is:

Federal Mock 1
Biology
Nutrition
Digestion and Absorption

Which of the following does the autonomic nervous system control?

Federal Mock 1
Biology
Coordination and Control
Central Nervous System

An involuntary and nearly instantaneous movement in response to a stimulus is called:

Federal Mock 1
Biology
Coordination and Control
Coordination in Animals

The number of functional parts in the forebrain are:

Federal Mock 1
Biology
Coordination and Control
Central Nervous System

If two persons with ‘AB’ blood group marry and have sufficiently large number of children, these children could be classified as ‘A’ blood group: ‘AB’ blood group: ‘B’ blood group in 1 : 2 : 1 ratio. The modern technique of protein electrophoresis reveals the presence of both ‘A’ and ‘B’ type proteins in ‘AB’ blood group individuals. This is an example of

Federal Mock 1
Biology
Variation and Genetics
Blood Group System
A) Partial dominance
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B) Complete dominance
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C) Codominance
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D) Incomplete dominance
Show Explanation

About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and:

Federal Mock 1
Biology
Biological Molecules
Introduction to Biological Molecules

Flame cells are commonly found in:

Federal Mock 1
Biology
Kingdom Animalia
Phylums – porifera to chordata

A woman can be bald only when she is

Federal Mock 1
Biology
Variation and Genetics
Mendelian Inheritance

The cells are held together by a Ca-pectate layer are called as:

Federal Mock 1
Biology
Cell Structure and Function
Cell Wall

The composition of brain stem is ____.

Federal Mock 1
Biology
Coordination and Control
Central Nervous System

Which of the following is an acceptable nitrogen base composition for double stranded

Federal Mock 1
Biology
Biological Molecules
Nucleic Acids

The primary electron acceptor in cyclic photophosphorylation is:

Federal Mock 1
Biology
Bioenergetics
Light Dependent Mechanism of Photosynthesis

What is the role of cholesterol in the cell membrane?

Federal Mock 1
Biology
Cell Structure and Function
Plasma Membrane

Which factor cannot denature the protein

Federal Mock 1
Chemistry
Macromolecules
A) pH change
Show Explanation
B) Increase of temperature
Show Explanation
C) Oxidizing condition
Show Explanation
D) Dissolving in H2O
Show Explanation

A nerve cell that transmits impulses from a sense organ to the nervous system is known as a(n):

Federal Mock 1
Biology
Coordination and Control
Steps Involved in Nervous Coordination
A) Sensory neuron
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B) Motor neuron
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C) Interneuron
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D) Plexus
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If more substrate is added to an already occurring enzymatic reaction, then more enzyme activity is seen because of which of the following?

Federal Mock 1
Biology

Which artery supplies blood to the liver?

Federal Mock 1
Biology
Transport

Baeyer’s reagent is used in the laboratory for

Federal Mock 1
Chemistry
Hydrocarbons
Alkynes
A) Reduction
Show Explanation
B) Oxidation
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C) Detection of double bond
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D) Detection of glucose
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The bond, which is based on attractive forces between oppositely charged ions, is:

Federal Mock 1
Chemistry
Chemical Bonding
Electrovalent or Ionic Bond
A) Covalent bond
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B) Dative bond
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C) Ionic bond
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D) Metallic bond
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Enzyme used for the treatment of blood cancer in children is

Federal Mock 1
Chemistry
Macromolecules
A) Cellulose
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B) Urease
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C) L-asperginase
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D) Lactic dehydrogenase
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All of the following statements are correct EXCEPT:

Federal Mock 1
Chemistry
Hydrocarbons
Reactions of Benzene
A) Introduction of R-group in the benzene ring in the presence of AlCl3 is called alkylation
Show Explanation
B) Introduction of acyl group in the benzene ring in the presence of AlCl3 is called acylation
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C) Benzene cannot undergo polymerization
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D) Ozonolysis of benzene results in the formation of (COOH)2
Show Explanation

If a graph is plotted between pressure on x- axis and volume on y- axis for Boyle’s law verification, the curve obtained is called

Federal Mock 1
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) pseudotherm
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B) isotherm
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C) biotherm
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D) all of these
Show Explanation

Amongst the following ions whish has the highest paramagnetism?

Federal Mock 1
Chemistry
s and p Block Elements
A) [Cr(H2O) 6] 3+]
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B) [Fe(H2O) 6] 2+]
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C) [Cu(H2O) 6] 2+]
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D) [Zn(H2O) 6] 2+]
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Formalin is an aqueous solution of:

Federal Mock 1
Chemistry
Aldehydes and Ketones
Reactivity and Reactions of Carbonyl Group
A) Formic acid
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B) Formaldehyde
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C) Furfuraldehyde
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D) Acetone
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Which one among the following is the strongest reducing agent:

Fe2++ 2e -> Fe (-0.44V)

Sn2++ 2e -> Sn (-0.14 V)

Ni2++ 2e -> Ni (0.25 V)

Fe3++ e -> Fe2+(-0.77 V)

Federal Mock 1
Chemistry
Electrochemistry
Redox Equations
A) Fe3+
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B) Ni
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C) Fe2+
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D) Sn
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What is Le Chatelier Principle about?

Federal Mock 1
Chemistry
Chemical Equilibrium
Factors Affecting Equilibria
A) Reaction Mixture
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B) Reactants
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C) Equilibrium Mixture
Show Explanation
D) Products
Show Explanation

How many balloons of capacity 0.25dm3 at 1atm pressure can be filled from a hydrogen gas cylinder of 5dm3 capacity at 10 atm?

Federal Mock 1
Chemistry
States of Matter – Gases, Liquids and Solids
Gas Laws and General Gas Equation
A) 50
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B) 90
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C) 180
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D) 200
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The alkali metals group lies in the ______.

Federal Mock 1
Chemistry
s and p Block Elements
Introduction to s and p Block Elements
A) d-block
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B) s-block
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C) f-block
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D) p-block
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What is the colour of iodine in the non polar solvent, cyclohexane?

Federal Mock 1
Chemistry
Hydrocarbons
Benzene and its Preparation
A) Black
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B) Brown
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C) Purple
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D) Yellow
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Which of the following catalysts is used in the below reaction?

Federal Mock 1
Chemistry
Carboxylic Acids and its Derivatives
A) Conc. H2SO4
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B) Purnice stone
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C) Pt
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D) Ni
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What assumptions are made in the Kinetic Theory about an ideal gas?

There are no forces of attraction between molecules
the molecules are in a state of continuous random motion
the size of the molecule is negligible
Federal Mock 2
Chemistry
States of Matter – Gases, Liquids and Solids
Kinetic Molecular Theory Of Gases
A) I ONLY
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B) II ONLY
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C) I AND II ONLY
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D) II AND III ONLY
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E) I, II, III
Show Explanation

Which one is the bigger unit of work?

Federal Mock 1
Physics
Work, Power & Energy
A) 10 watt hour
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B) 10 electron volt
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C) electron volt
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D) kilo watt hour
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Among the alkyl halides, which always follows SN2 mechanism:

Federal Mock 1
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) Primary alkyl halides
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B) Secondary alkyl halides
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C) Tertiary alkyl halides
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D) Both Secondary & Tertiary alkyl halides
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Which one of the following free radical is most stable:

Federal Mock 1
Chemistry
Hydrocarbons
Alkanes and Paraffins
A) CH3+
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B) (CH3)2CH+
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C) (CH3)3C+
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D) C2H5+
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In the reaction;

H2 + CO2 H2O + CO

The decrease in the concentration of reactants and products cause the equilibrium to shift:

Federal Mock 1
Chemistry
Chemical Equilibrium
Factors Affecting Equilibria
A) Towards left
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B) Towards right
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C) Nothing happens to the equilibrium
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D) Equilibrium will shift towards both the directions

The reaction CH3COOAg + Br2 → CH3 Br + CO2 + AgBr is known as

Federal Mock 2
Chemistry
Carboxylic Acids and its Derivatives
A) Reformatshky reaction
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B) Hunsdicker reaction
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C) Decarboxylati
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D) Hell- Vollhard- Zellinsky reaction
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The halogen acid with the highest reducing power is:

Federal Mock 1
Chemistry
s and p Block Elements
Introduction to s and p Block Elements
A) HF
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B) HI
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C) HBr
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D) HCl
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Which one of the following has the highest lattice energy?

Federal Mock 1
Chemistry
States of Matter – Gases, Liquids and Solids
Crystal Lattice and Lattice Energy
A) NaCl
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B) KCl
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C) KBr
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D) LiCl
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The number of sigma and pi bonds in 1-butene-3-yne?

Federal Mock 1
Chemistry
Chemical Bonding
VSEPR Theory
A) 5 sigma and 5 pi
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B) 7 sigma and 3 pi
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C) 8 sigma and 2 pi
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D) 6 sigma and 4 pi
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The solubility product of AgCl is 2.0×10-10 mol-2 dm-6. The maximum concentration of Ag+1 ions in the solution is:

Federal Mock 1
Chemistry
Chemical Equilibrium
Solubility Product and Precipitation Reactions
A) 2.0×10-12 mol dm-3
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B) 1.41x 10-5 mol dm-3
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C) 1.0×10-12 mol dm-3
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D) 2.5×10-10 mol dm-3
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The process in which electric current is used to carry out a non-spontaneous redox reaction is called:

Federal Mock 1
Chemistry
Electrochemistry
Electrolysis
A) Electrolyte
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B) Metallic conductor
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C) Electrolysis
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D) None of the above
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In addition of HCI to CH3CH=CH2, which one will be added first:

Federal Mock 1
Chemistry
Hydrocarbons
Alkenes
A) CI+
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B) CI-1
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C) H+
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D) H∘
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Which of the following alkyl halides will undergo SN1 reaction most readily?

Federal Mock 1
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) (CH3)3 – F
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B) (CH3)3- Cl
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C) (CH3)3- Br
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D) (CH3)3- I
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The Unit cell with crystallographic dimensions a = b ≠c ,α = β = γ = 90 degrees is:

Federal Mock 1
Chemistry
States of Matter – Gases, Liquids and Solids
Crystal Lattice and Lattice Energy
A) Cubic
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B) Tetragonal
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C) Monoclinic
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D) Hexagonal
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In an exothermic reaction (reversible), which of the following has a positive value?

Federal Mock 1
Chemistry
Thermochemistry
Laws of Thermodynamics
A) Enthalpy
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B) Entropy
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C) Gibb’s free energy
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D) None of these options is correct
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In addition to water, which of the following could be found during the incomplete combustion of a hydrocarbon?

Federal Mock 1
Chemistry
Hydrocarbons
A) Carbon, carbon monoxide and hydrogen
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B) Carbon and oxygen
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C) Carbon monoxide and hydrogen
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D) Carbon and carbon monoxide
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The given diagram shows the enthalpy changes during a chemical reaction.

Federal Mock 1
Chemistry
Thermochemistry
Standard States and Enthalpy Changes
A) An endothermic reaction
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B) An exothermic reaction
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C) An isothermic process
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D) A non-spontaneous process
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At the transition temperature of a crystalline solid, the substance exists:

Federal Mock 1
Chemistry
States of Matter – Gases, Liquids and Solids
Properties of Crystalline Solids
A) In most stable geometric form
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B) Solid and liquid state
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C) In dynamic equilibrium between two crystalline forms
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D) In one solid geometrical form only
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Select from the following the one, which is alcohol:

Federal Mock 1
Chemistry
Alcohol, Phenols, and Ethers
A) CH3 – CH2 – OH
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B) CH3 – O – CH3
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C) CH3COOH
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D) CH3 – CH2 – Br
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The oxidation potential standard hydrogen electrode is arbitrarily taken as:

Federal Mock 1
Chemistry
Electrochemistry
Oxidation Number or State
Redox Equations
A) -0.76 volts
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B) 0.00 volts
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C) +1.5 volts
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D) 1.0 volts
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The haloform test is given by:

Federal Mock 1
Chemistry
Aldehydes and Ketones
Identification and Uses of Carbonyl Compounds
A) Formaldehyde
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B) Acetaldeyde
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C) Acetone
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D) Alpha-phenylethyl alcohol
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Heat of solution for NaCl is ?

Federal Mock 1
Chemistry
Chemical Equilibrium
State of Chemical Equilibrium
A) High
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B) Low
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C) Zero
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D) One
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How many chain isomer can be obtained from alkane C6H14 :

Federal Mock 1
Chemistry
Hydrocarbons
Alkanes and Paraffins
A) 7
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B) 6
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C) 5
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D) 4
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When NH3 gas is exposed to HCl, white fumes are formed which are chemically:

Federal Mock 1
Chemistry
s and p Block Elements
A) NH4+
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B) NH4Cl
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C) HCl fumes
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D) Cl
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How many isomers are possible for the compound having molecular having molecular formula C3H5Br

Federal Mock 1
Chemistry
Fundamental Principles of Organic Chemistry
A) 5
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B) 4
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C) 6
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D) 8
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Compound in which addition takes place through Markovnikov’s rule is:

Federal Mock 1
Chemistry
Hydrocarbons
Alkenes
A) C?3 − ?? = ?? − ?H3
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B) C?3 − ?(??3) = ?? − ??3
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C) C2?5 − ?? = ?? − ??3
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D) C?3 − ?? = ?? − ?3?7
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The shape of sulphate ion is:

Federal Mock 1
Chemistry
Chemical Bonding
A) Hexagonal
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B) Square planar
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C) Trigonal bipyramidal
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D) Tetrahedral
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A student makes measurements from which she calculated the speed of sound as 321 ms^-1 . She estimates that the result is accurate to +3% or -3% . Which of the following give results expressed to the appropriate number of significant figures?

Federal Mock 1
Physics
Measurements
A) 327 ms^-1
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B) 328 ms^-1
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C) 330 ms^-1
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D) 300 ms^-1
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Carboxylic acids are formed by the hydrolysis of ________.

Federal Mock 1
Chemistry
Carboxylic Acids and its Derivatives
A) Ester & Nitriles
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B) Nitriles & Amines
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C) Alkenes & Alkynes
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D) Esters & Alcohols
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When 2 – bromopropane is heated with concentrated alcoholic potassium hydroxide, the major product is:

Federal Mock 1
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) Propene
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B) Propan-1-ol
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C) Propan-2-ol
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D) Potassium Propoxide
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Which of the following Halogens molecules has maximum bond energy?

Federal Mock 2
Chemistry
Chemical Bonding
Bond Energy and Bond Length
A) F-F
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B) Cl-Cl
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C) Br-Br
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D) I-I
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A metal sulphate contains 9.87% of M. This sulphate is isomorphous with ZnSO4, 7H2O. Determine the atomic weight of metal M.

Federal Mock 1
Chemistry
Introduction to Fundamental Concepts of Chemistry
Introduction to the Atom
A) 24.31
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B) 34.31
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C) 25.25
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D) 44.41
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Reaction of water with quicklime results in the rise in the temperature of the system. Using the concept of an energy change, indicates the nature of the reaction?

Federal Mock 1
Chemistry
Thermochemistry
Standard States and Enthalpy Changes
A) Endothermic Reaction
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B) Non-Spontaneous Reaction
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C) Third Order Reaction
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D) Exothermic Reaction
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FIX THIS:Arrange the following compounds in order of increasing reactivity towards the addition of HCN. Acetone(I) , Acetaldehyde (II) , methy t-butyl ketone (III) , di-t-butyl ketone (IV)

Federal Mock 2
Chemistry
Aldehydes and Ketones
Reactivity and Reactions of Carbonyl Group
A) IV < I < II < III Show Explanation B) I < II < III < IV Show Explanation C) IV < III < I < III Show Explanation D) II < I < IV < III Show Explanation

Which alkaline earth metal form peroxides?

Federal Mock 1
Chemistry
s and p Block Elements
Introduction to s and p Block Elements
A) Ba
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B) Be
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C) Mg
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D) Ca
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In intense electric fields and at a very high temperature, the matter generally exists in:

Federal Mock 1
Chemistry
States of Matter – Gases, Liquids and Solids
States of Matter
A) Plasma state
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B) Liquid state
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C) Solid state
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D) Super condensed state
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For a single step reaction A+B —> 2C, the rate law is:

Federal Mock 1
Chemistry
Reaction Kinetics
Rate and velocity of chemical reaction
A) Rate = k [A]
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B) Rate = k [A] [B]
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C) Rate = k [A]
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D) Rate = k [B]
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A solution of Sodium Sulphate was electrolyzed using platinum electrode, the products at the anode and cathode respectively are:

Federal Mock 1
Chemistry
Electrochemistry
Electrochemical Series
A) O2, H2
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B) O2,Na
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C) O2, SO
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D) O2, S2O4-2
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hich of the following halosubstituted carboxylic acids is the strongest acid?

Federal Mock 1
Chemistry
Carboxylic Acids and its Derivatives
A) FCH2COOH
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B) CICH2COOH
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C) BrCH2COOH
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D) ICH2COOH
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