The boiling point of water is higher than other hydrides because water molecules can form:

Balochistan Mock 1
Chemistry
States of Matter – Gases, Liquids and Solids
Boiling Point and Vapor Pressure
A) 4 hydrogen bonds
Show Explanation
B) 3 hydrogen bonds
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C) 2 hydrogen bonds
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D) 1 hydrogen bonds
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Which ion will have a maximum value of the heat of hydration?

Balochistan Mock 1
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) Al+3
Show Explanation
B) Cs+
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C) Ba+
Show Explanation
D) Mg+2
Show Explanation

Which of these in an aqueous solution of equal concentration has the lowest pH?

Balochistan Mock 1
Chemistry
Carboxylic Acids and its Derivatives
A) Chloroethanoic acid
Show Explanation
B) Ethanoic acid
Show Explanation
C) Ethylamine
Show Explanation
D) Phenol
Show Explanation

Following has IUPAC name of:

Balochistan Mock 1
Chemistry
Fundamental Principles of Organic Chemistry
Introduction to Fundamental Principles of Organic Chemistry
A) 2, 3 – tetramethyl butane
Show Explanation
B) 2, 2, 3, 3 – tetramethyl pentane
Show Explanation
C) 3, 3, 4, 4 – tetramethyl butane
Show Explanation
D) 3, 4 – bis (dimethyl butane)
Show Explanation

Which two elements are isotopes?

Balochistan Mock 1
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) 16X8 and 16Y8
Show Explanation
B) 14X8 and 15Y8
Show Explanation
C) 18X9 and 20Y10
Show Explanation
D) 12X6 and 12Y7
Show Explanation

Which pair of ions have five unpaired d-electrons?

Balochistan Mock 1
Chemistry
d and f Block Elements
A) Fe+2 and Mn+2
Show Explanation
B) Fe+2 and Mn+3
Show Explanation
C) Fe+3 and Mn+3
Show Explanation
D) Fe+3 and Mn+2
Show Explanation

All are enzymes involved in fermentation process except one:

Balochistan Mock 1
Chemistry
Chemistry of Life
Enzymes
A) Zymase
Show Explanation
B) Invertase
Show Explanation
C) Lipase
Show Explanation
D) Diastase
Show Explanation

The only o, p−directing group which is deactivating in nature is:

Balochistan Mock 1
Chemistry
Hydrocarbons
Reactions of Benzene
A) -NH2
Show Explanation
B) -OH
Show Explanation
C) -X (halogens)
Show Explanation
D) -R (alkyl groups)
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Select the group whose elements easily lose electrons.

Balochistan Mock 1
Chemistry
s and p Block Elements
A) IA
Show Explanation
B) VA
Show Explanation
C) VIA
Show Explanation
D) VIIA
Show Explanation

Ketone reacts with Grignard reagent to form ______ in acidic media?

Balochistan Mock 1
Chemistry
Aldehydes and Ketones
Reactivity and Reactions of Carbonyl Group
A) Tertiary alcohol
Show Explanation
B) isopropyl alcohol
Show Explanation
C) primary alcohol
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D) carboxylic acid
Show Explanation

Which of the following substances has giant covalent structure?

Balochistan Mock 1
Chemistry
States of Matter – Gases, Liquids and Solids
Types of Solids
A) Iodine crystal
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B) Solid CO2
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C) Silica
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D) White phosphorus
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Nitrogen has the atomic mass of 7.
Which of the following electronic configurations is of a Nitrogen atom in ground state?

Balochistan Mock 1
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) 1s2, 2s2, 2px1, 2py1, 2pz1
Show Explanation
B) 1s2, 2s2, 2px2, 2pz1
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C) 1s2, 2s2, 2px2, 2py1
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D) 1s2, 2s2, 2py2, 2pz1
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Catenation is a process in which carbon shows the properties of:

Balochistan Mock 1
Chemistry
Hydrocarbons
Introduction to Hydrocarbons
A) Making single bond
Show Explanation
B) Hybridization
Show Explanation
C) Making chains or rings of carbon atoms
Show Explanation
D) Isomerism
Show Explanation

If the difference between electronegativity values between two atoms is less than 1.7 , the bond is necessarily:

Balochistan Mock 1
Biology
Chemical Bonding
Electron Affinity and Electronegativity
A) Ionic
Show Explanation
B) Covalent
Show Explanation
C) Electrovalent
Show Explanation
D) Polar
Show Explanation

Secondary alcohol is the product of reduction of which carbonyl compound?

Balochistan Mock 1
Chemistry
Aldehydes and Ketones
Reactivity and Reactions of Carbonyl Group
A) Option A
Show Explanation
B) Option B
Show Explanation
C) Option C
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D) Option D
Show Explanation

The compound ‘leaf alcohol’ is partly responsible for the smell of new – mown grass

CH3CH2CH=CHCH2CH2OH

Leaf alcohol

Which two compounds will be formed when ‘leaf alcohol’ is oxidized using hot, concentrated manganate (VII) ions?

Balochistan Mock 1
Chemistry
Alcohol, Phenols, and Ethers
A) CH3CO2H and HOCH2CH2CH2CO2H
Show Explanation
B) CH3CO2H and HO2CCH2CH2CO2H
Show Explanation
C) CH3CH2CO2H and HO2CCH2CO2H
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D) CH3CH2CO2H and HOCH2CH2CO2H
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Rate determining step of a chemical reaction which occur in more than one step depends upon the

Balochistan Mock 1
Chemistry
Reaction Kinetics
Order of reaction and its determination
A) fastest step
Show Explanation
B) Slowest Step
Show Explanation
C) catalyst used
Show Explanation
D) Temperature of reaction
Show Explanation

A liquid crystalline state exists between two temperatures i.e melting temperature and ____ temperature.

Balochistan Mock 1
Chemistry
States of Matter – Gases, Liquids and Solids
Liquid Crystals
A) boiling
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B) freezing
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C) clearing
Show Explanation
D) all of these
Show Explanation

Chromium dissolves in dilute H2SO4 for [Cr(H2O)6]2. The colour of the ion is:

Balochistan Mock 1
Chemistry
d and f Block Elements
A) Blue
Show Explanation
B) Yellow
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C) Brown
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D) Pink
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The variation in physical properties of a crystal due to direction is called

Balochistan Mock 1
Chemistry
States of Matter – Gases, Liquids and Solids
Properties of Crystalline Solids
A) isotropy
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B) entropy
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C) anisotropy
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D) none of these
Show Explanation

For the reaction, A(g) -> products:

When the concentration of A(g) doubles, the rate of reaction increases four folds, which means it is:

Balochistan Mock 1
Chemistry
Reaction Kinetics
Order of reaction and its determination
A) Negative order reaction
Show Explanation
B) First order reaction
Show Explanation
C) Zero order reaction
Show Explanation
D) Second order reaction
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The densities of liquids are much ________ than gases but ____ to solids.

Balochistan Mock 1
Chemistry
States of Matter – Gases, Liquids and Solids
Daltons Law of Partial Pressures
A) smaller, closer
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B) greater, closer
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C) smaller, far away
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D) greater, far away
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Reagent used to reduce a carboxylic acid to an alkane is:

Balochistan Mock 1
Chemistry
Carboxylic Acids and its Derivatives
A) Ni / H2
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B) NaBH4
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C) P / HI
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D) LiAlH4
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The shielding effect is also called?

Balochistan Mock 1
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) Zee effect
Show Explanation
B) Screening effect
Show Explanation
C) Negative effect
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D) Reducing effect
Show Explanation

According to the general gas equation, density of an ideal gas depends upon:

Balochistan Mock 1
Chemistry
States of Matter – Gases, Liquids and Solids
Gas Laws and General Gas Equation
A) Pressure
Show Explanation
B) Temperature
Show Explanation
C) Molar Mass
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D) All of these
Show Explanation

Which alkyl halide has the lowest reactivity for a particular alkyl group?

Balochistan Mock 1
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) R-CI
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B) R-F
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C) R-Br
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D) R-I
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The relationship between Kp and Kc is given by?

Balochistan Mock 1
Chemistry
Chemical Equilibrium
Equilibrium Constant
A) Kc=Kp(P/N)∆n
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B) Kc=Kp(P)∆n
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C) Kp=Kc(RT)∆n
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D) Kc=Kp(RT)∆n
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By treating CO2 with Grignard’s reagent, the following compound is obtained;

Balochistan Mock 1
Chemistry
Carboxylic Acids and its Derivatives
A) Aromatic compounds
Show Explanation
B) Alcohols
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C) Carboxylic acid
Show Explanation
D) Ethers
Show Explanation

What would be the major product of the following reaction?

Balochistan Mock 1
Chemistry
Aldehydes and Ketones
Reactivity and Reactions of Carbonyl Group
A) Option A
Show Explanation
B) Option B
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C) Option C
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D) Option D
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Rectified spirits have a percentage of alcohol.

Balochistan Mock 1
Chemistry
Alcohol, Phenols, and Ethers
A) 12 %
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B) 24 %
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C) 95 %
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D) 100 %
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One Calorie is equal to:

Balochistan Mock 1
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) 4.18 KJ
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B) 4.18 J
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C) 0.418 KJ mol-1
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D) 0.418 KJ
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Oxidation number of Nitrogen in HNO3, is:

Balochistan Mock 1
Chemistry
Electrochemistry
Oxidation Number or State
A) +4
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B) +2
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C) +6
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D) +5
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What is the name of CH3CH2CH=CHCH2CH=CHCH3 ?

Balochistan Mock 1
Chemistry
Hydrocarbons
Nomenclature of Hydrocarbons
A) 2,3-octadiene
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B) 2,4-octadiene
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C) 2,5-octadiene
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D) 2,5-octadyne
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EDTA ion is a ________ ligand.

Balochistan Mock 1
Chemistry
d and f Block Elements
A) Monodentate
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B) Bidentate
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C) Tridentate
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D) Polydentate
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The thermal energy at constant pressure is called:

Balochistan Mock 1
Chemistry
Thermochemistry
Standard States and Enthalpy Changes
A) Enthalpy
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B) Internal Energy
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C) Heat capacity
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D) Work done
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For a given mass of gas, if the pressure is reduced to half and its temperature is doubled, then volume V will become?

Balochistan Mock 1
Chemistry
States of Matter – Gases, Liquids and Solids
Gas Laws and General Gas Equation
A) 4V
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B) 2V2
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C) V/4
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D) 8V
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The given diagram shows the enthalpy changes during a chemical reaction.

Balochistan 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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Amorphous solids turns into glass like state from rubber like state, this is called

Balochistan Mock 1
Chemistry
States of Matter – Gases, Liquids and Solids
Types of Solids
A) transition
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B) crack transition
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C) glass transition
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D) all of these
Show Explanation

Which of the following has the lowest vapour pressure at 20 degrees Centigrade?

Balochistan Mock 1
Chemistry
States of Matter – Gases, Liquids and Solids
Boiling Point and Vapor Pressure
A) Diethyl ether
Show Explanation
B) Chloroform
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C) Carbon tetrachloride
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D) Water
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……is a technique to separate impurities from chemical products:

Balochistan Mock 1
Chemistry
Solution and Colloids
Colligative Properties of Solutions
A) Lands Berger’s method
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B) Fractional crystallization
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C) Beckmann method
Show Explanation
D) None
Show Explanation

The atomic mass, molecular mass, ionic mass or formula mass of a substance expressed in grams is called:

Balochistan Mock 1
Chemistry
Introduction to Fundamental Concepts of Chemistry
Introduction to the Atom
A) Mole of a substance
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B) Weight of substance
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C) Mass of substance
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D) Molar mass of substance
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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
Balochistan Mock 1
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
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A mole of a substance contains _____ particles.

Balochistan Mock 1
Chemistry
Stoichiometry
Mole
A) 6.2×1022
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B) 6.22×1022
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C) 6.02×1023
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D) 6.5×1022
Show Explanation

If the difference between electronegativity values between two atoms is less than 1.7 , the bond is necessarily:

Balochistan Mock 1
Chemistry
Chemical Bonding
Electron Affinity and Electronegativity
A) Ionic
Show Explanation
B) Covalent
Show Explanation
C) Electrovalent
Show Explanation
D) Polar
Show Explanation

If products of a reaction act as a catalyst, such process is called:

Balochistan Mock 1
Chemistry
Reaction Kinetics
Catalysis
A) Positive catalyst
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B) Negative catalyst
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C) Auto catalyst
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D) Both A and B
Show Explanation

In alkanes, each carbon has hybridization:

Balochistan Mock 1
Chemistry
Hydrocarbons
A) sp3
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B) sp
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C) sp2
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D) dsp
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Common name of Octadecanoic acid is:

Balochistan Mock 1
Chemistry
Carboxylic Acids and its Derivatives
A) Propionic acid
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B) Stearic acid
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C) Palmitic acid
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D) Formic acid
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The test used to distinguish among primary, secondary, and tertiary alcohols is:

Balochistan Mock 1
Chemistry
Alcohol, Phenols, and Ethers
A) 2,4 – DNPH test
Show Explanation
B) Tollens test
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C) Lucas Test
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D) Fehling solution test
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Which of the following statement is correct about the Avogadro’s constant?

Balochistan Mock 1
Chemistry
Stoichiometry
A) It is the mass of one mole of any element
Show Explanation
B) It is the mass of 6.023×10^23 atoms of any element
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C) It is the number of atoms in one mole of neon
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D) It is the number of atoms in 12g of any element
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Impurities of lead in silver are removed by:

Balochistan Mock 1
Chemistry
d and f Block Elements
A) Parke’s process
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B) Solvay process
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C) Cyanide process
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D) Amalgamation process
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Which of the following compounds possesses a single covalent bond between carbon and hydrogen?

Balochistan Mock 1
Chemistry
Hydrocarbons
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

Lithium and beryllium are unique in such a way that they have higher charge densities which produce strong polarizing effects due to:

Balochistan Mock 1
Chemistry
s and p Block Elements
General Behaviour of Alkali and Alkaline Earth Metals
A) Non-metal
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B) Solubility
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C) Small Size
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D) Large size
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Natural gas in homes burns in excess of oxygen, what is the limiting reactant in this case?

Balochistan Mock 1
Chemistry
Introduction to Fundamental Concepts of Chemistry
Important Assumptions of Stoichiometric Calculations
A) Oxygen
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B) Natural gas
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C) Air
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D) There is no limiting reactant
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The IUPAC name of the following compound is:

Balochistan Mock 1
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

___ anyone ____ a pencil I could borrow?

Balochistan Mock 1
English
Tenses and Sentence Structure
A) Do … have
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B) Does.. have
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C) Do .. has
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D) Does.. has
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Find an error in the following sentence:

Everyone who was injured in the accident were taken to the hospital.

Balochistan Mock 1
English
Fill in the blank
A) Everyone who was injured
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B) In the accident
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C) Were taken
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D) To the hospital
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Aslam and his friends were making too much noise. Their father got really ___ at them.

Balochistan Mock 1
English
Key Vocabulary
A) Afraid
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B) Angry
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C) Kind
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D) Strong
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Select the option which fits appropriately in the blank:

Everyone __________ done his or her homework.

Balochistan Mock 1
English
Fill in the blank
A) Has
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B) Have
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C) Had
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D) Non
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The process of determining the locus for particular biological traits includes?

Balochistan Mock 1
Biology
Chromosomes and DNA
A) Replication
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B) Recombination
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C) Gene mapping
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D) None of these options is correct
Show Explanation

Choose the correct sentence:

Balochistan Mock 1
English
Tenses and Sentence Structure
A) I don’t like this one bit said Jamil.
Show Explanation
B) “I don’t like this one bit,” said Jamil.
Show Explanation
C) “I don’t like this one bit?” said jamil.
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D) I dont like this one bit, said Jamil.
Show Explanation

Select the option which fits appropriately in the blank:

The dog sprang ______________ him.

Balochistan Mock 1
English
Fill in the blank
A) On
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B) Upon
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C) In
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D) Over
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Find an error in the following sentence:

If I had been thirsty, I would have drank the lemonade without waiting for you.

Balochistan Mock 1
English
Tenses and Sentence Structure
A) If I had been thirsty
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B) I would have
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C) Drank the lemonade
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D) Without waiting for you.
Show Explanation

I found this bangle while digging in the backyard. I don’t know who it belonged to.

Balochistan Mock 1
English
Tenses and Sentence Structure
A) I found this bangle
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B) while digging
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C) in the backyard
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D) I don’t know who it belonged to.
Show Explanation

I lived on _______ Main Street when I first came to town.

Balochistan Mock 1
English
Fill in the blank
A) A
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B) An
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C) The
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D) No article is required
Show Explanation

Gametes in animals are produced by which of the following?

Balochistan Mock 1
Biology
Cell Cycle
Meiosis
A) Mitosis
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B) Meiosis
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C) Fission
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D) All of these options are correct
Show Explanation

Select the option which fits appropriately in the blank:

_____ icon like this is called _______ hourglass.

Balochistan Mock 1
English
Fill in the blank
A) An..a
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B) An…the
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C) An..an
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D) The..an
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The attraction between water molecules and the cell wall of xylem is termed as:

Balochistan Mock 1
Biology
Biological Molecules
Water
A) Cohesion
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B) Tension
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C) Adhesion
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D) Imbibition
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A neural pathway that controls an action reflex is called:

Balochistan Mock 1
Biology
Coordination and Control
Steps Involved in Nervous Coordination
A) Nerve cell
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B) Reflex arc
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C) Receptor cells
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D) Mixed nerve
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Select the option which fits appropriately in the blank:

The robber broke into the house and _________ (tie) the lone occupant with ropes.

Balochistan Mock 1
English
Fill in the blank
A) Tied
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B) Ties
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C) Tie
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D) Tying
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Choose the correct sentence.

Balochistan Mock 1
English
Grammar and Punctuation
A) Dr Hussain works at city hospital in gulberg.
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B) Dr Hussain works at City Hospital in Gulberg?
Show Explanation
C) Dr Hussain works at City Hospital in Gulberg.
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D) Dr Hussain works at city hospital in Gulberg.
Show Explanation

Choose the correct sentence:

Balochistan Mock 1
English
Tenses and Sentence Structure
A) Huda watched the news on the BBC.
Show Explanation
B) Huda watched the news on the BBC?
Show Explanation
C) Huda watched the news on the bbc.
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D) Huda, watched the news, on the BBC.
Show Explanation

Who discovered the bacteria causing tuberculosis and also developed various techniques of media preparation and maintenance of pure culture?

Balochistan Mock 1
Biology
Kingdom Prokaryote
Taxonomy, Ecology & Diversity of Bacteria
A) Robert Koch
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B) Louis Pasteur
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C) Alexander Fleming
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D) Antonie van Leeuwenhoek
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The loss of liquid via the hydathodes is called:

Balochistan Mock 1
Biology
Transport
A) Ascent of sap
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B) Plasmolysis
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C) Imbibition
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D) Guttation
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Sex pili are formed in which of the following processes?

Balochistan Mock 1
Biology
Kingdom Prokaryote
Growth and Reproduction in Bacteria
A) Sexual reproduction
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B) Binary fission
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C) Mitosis
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D) Conjugation
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The number of autosomes in the human sperm is:

Balochistan Mock 1
Biology
Variation and Genetics
Sex Determination
A) 11
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B) 22
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C) 44
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D) 45
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The neurons responsible for converting various external stimuli that come from the environment into corresponding internal stimuli is called:

Balochistan Mock 1
Biology
Coordination and Control
Steps Involved in Nervous Coordination
A) Motor nerve
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B) Sensory nerve
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C) Both A and B
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D) Mixed nerve
Show Explanation

Some bacteria have resistant organelles called as:

Balochistan Mock 1
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Spores
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B) Cysts
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C) Granules
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D) All of these options are correct
Show Explanation

Mating with non-relatives is known as?

Balochistan Mock 1
Biology
Evolution
A) Inbreeding
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B) Outbreeding
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C) Breeding
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D) None of these options are correct
Show Explanation

The G3P is end product of which process?

Balochistan Mock 1
Biology
Bioenergetics
Light Independent Mechanism of Photosynthesis
A) Kreb’s cycle
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B) Calvin cycle
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C) Chemiosmosis
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D) Electron transport chain (ETC)
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What percentage of glucose is normally found in human blood?

Balochistan Mock 1
Biology
Biological Molecules
Carbohydrates
A) 0.008
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B) 0.0008
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C) 0.018
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D) 0.08
Show Explanation

When the temperature of the surrounding environment rises, body responds by:

Balochistan Mock 1
Biology
Homeostasis
Thermoregulation
A) Vasoconstriction
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B) Vasodilation
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C) Shivering
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D) Raising body hairs
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During aristotle time, it was thought that

Balochistan Mock 1
Biology
Evolution
A) Organisms ranged from simple to complex.
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B) One type of organism gives rise to another type of organism.
Show Explanation
C) Both a and b.
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D) All living things are specially created by nature.
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Nervous system of nematodes consists of which of the following?

Balochistan Mock 1
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Ventral nerve cord
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B) Dorsal nerve cord
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C) Lateral nerve cord
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D) All of these
Show Explanation

Under the microscope, the bacteria appear a bluish-purple colour. Which class of bacteria are on the slide?

Balochistan Mock 1
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Gram positive
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B) Gram negative
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C) Both a and b
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D) None of these
Show Explanation

Hemophilia is a sex-linked recessive disease. A mother that is a carrier of the disease mates a healthy male. Which of the following statements is true?

Balochistan Mock 1
Biology
Variation and Genetics
Inherited Diseases
A) The daughters are just likely to be hemophilic as the sons are
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B) 50% of the daughters will have hemophilia
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C) None of the children will have hemophilia because the mother is the only carrier
Show Explanation
D) 50% of sons will have hemophilia
Show Explanation

The rate of reaction is directly proportional to the concentration of an enzyme.

Which statement is incorrect in this respect?

Balochistan Mock 1
Biology
A) If the concentration is doubled the rate will become two-fold.
Show Explanation
B) If the concentration is doubled the rate will become one-fold.
Show Explanation
C) This relation is for an unlimited time period with unlimited enzyme concentration.
Show Explanation
D) All of these options are correct.
Show Explanation

In the human body, the group formed by neurons enclosed in the membrane at certain body parts is called?

Balochistan Mock 1
Biology
Coordination and Control
Coordination in Animals
A) Benign
Show Explanation
B) Malign
Show Explanation
C) Ganglion
Show Explanation
D) Neuroglial
Show Explanation

All of the following is true about bacilli bacteria except?

Balochistan Mock 1
Biology
Kingdom Prokaryote
Shape of Bacteria
A) All bacilli are gram positive.
Show Explanation
B) All bacilli are aerobic.
Show Explanation
C) All bacilli are rod-shaped.
Show Explanation
D) Both A and B.
Show Explanation

Two species can avoid competition and can make better use of the environment’s resources by occupying different:

Balochistan Mock 1
Biology
Evolution
A) Adaptation
Show Explanation
B) Polymorphism
Show Explanation
C) Niches
Show Explanation
D) Specialisation
Show Explanation

The communication between the two hemispheres is the function of:

Balochistan Mock 1
Biology
Coordination and Control
Central Nervous System
A) Corpus Callosum
Show Explanation
B) Hindbrain
Show Explanation
C) Cerebellum
Show Explanation
D) Cerebrum
Show Explanation

What type of viruses are the polioviruses?

Balochistan Mock 1
Biology
Bio-diversity | Variety of Life
A) DNA enveloped virus
Show Explanation
B) RNA enveloped virus
Show Explanation
C) DNA naked virus
Show Explanation
D) RNA naked virus
Show Explanation

Where the heterozygote is indistinguishable from one of the homozygotes the allele involved is said to be?

Balochistan Mock 1
Biology
Variation and Genetics
Mendelian Inheritance
A) Recessive
Show Explanation
B) Dominant
Show Explanation
C) Both A and B
Show Explanation
D) None of these
Show Explanation

What is an example of an oviparous mammal?

Balochistan Mock 1
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Penguin
Show Explanation
B) Shark
Show Explanation
C) Spiny anteater
Show Explanation
D) Elephant
Show Explanation

Which of the following impart a red colour to rose petaIs?

Balochistan Mock 1
Biology
Cell Structure and Function
Cytoplasm and Organelles
A) Chloroplast
Show Explanation
B) Chlorophyll
Show Explanation
C) Chromoplast
Show Explanation
D) Leucoplast
Show Explanation

Which of the following structure provides greater pathogenicity to the bacteria?

Balochistan Mock 1
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Slime
Show Explanation
B) Cell wall
Show Explanation
C) Cell membrane
Show Explanation
D) Capsule
Show Explanation

Which cells secrete pepsinogen?

Balochistan Mock 1
Biology
Nutrition
Digestion and Absorption
A) Mucous
Show Explanation
B) Parietal
Show Explanation
C) Zymogen
Show Explanation
D) Oxyntic
Show Explanation

Which of the following structure primarily helps in attachment of bacteria on various surfaces?

Balochistan Mock 1
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Pilli
Show Explanation
B) Flagella
Show Explanation
C) Both A and B
Show Explanation
D) None of these
Show Explanation

Unit of carbohydrate is ?

Balochistan Mock 1
Biology
Biological Molecules
Carbohydrates
A) Monosaccharides
Show Explanation
B) Amino acids
Show Explanation
C) Fatty acids
Show Explanation
D) All
Show Explanation

A non-protein chemical compound which is required for protein’s biological activity is:

Balochistan Mock 1
Biology
A) Coenzyme
Show Explanation
B) Cofactor
Show Explanation
C) DNA
Show Explanation
D) RNA
Show Explanation

Which of the following best describes the prosthetic group?

Balochistan Mock 1
Biology
A) Loosely bonded non-protein part of an enzyme
Show Explanation
B) Cofactor consists of metal ion
Show Explanation
C) Covalently bounded non-protein part of an enzyme
Show Explanation
D) None of these options are correct
Show Explanation

What enzyme is found in the thylakoid membrane that facilitates chemiosmosis?

Balochistan Mock 1
Biology
Bioenergetics
Chloroplasts
A) ATP ligase
Show Explanation
B) ATP kinase
Show Explanation
C) ATP synthase
Show Explanation
D) ATP dehydrogenase
Show Explanation

____ are biologically active proteins.

Balochistan Mock 1
Biology
A) Glycoproteins
Show Explanation
B) Enzymes
Show Explanation
C) Activators
Show Explanation
D) Inhibitors
Show Explanation

In females, the progesterone and estrogen hormones are secreted by?

Balochistan Mock 1
Biology
Coordination and Control
Endocrine System and its Hormones
A) Ovaries
Show Explanation
B) Testes
Show Explanation
C) Egg
Show Explanation
D) Kidneys
Show Explanation

Which scientist came up with the term “cell”?

Balochistan Mock 1
Biology
Cell Structure and Function
Introduction to Cell and it’s theory
A) Schwann
Show Explanation
B) Scheilden
Show Explanation
C) Robert Hooke
Show Explanation
D) Both Options A and B are correct
Show Explanation

Antibodies are manufactured in:

Balochistan Mock 1
Biology
Transport
Immunity and its types
A) T Lymphocytes
Show Explanation
B) Red Blood Cells
Show Explanation
C) Platelets
Show Explanation
D) B Lymphocytes
Show Explanation

The function of lymph node is to filter:

Balochistan Mock 1
Biology
Transport
A) Blood
Show Explanation
B) Lymph
Show Explanation
C) Semen
Show Explanation
D) Amniotic fluid
Show Explanation

Which of the following blood vessels have the highest pressure of blood?

Balochistan Mock 1
Biology
Transport
A) Aorta
Show Explanation
B) Pulmonary arteries
Show Explanation
C) Pulmonary veins
Show Explanation
D) Vena cava
Show Explanation

What protein, present in sarcomeres, is responsible for the passive elasticity of muscle?

Balochistan Mock 1
Biology
Support and Movement
Ultrastructure & Mechanism of Skeletal Muscle Contraction
A) collagen
Show Explanation
B) myosin
Show Explanation
C) titin
Show Explanation
D) actin and myosin
Show Explanation

Which one is not an energy releasing process?

Balochistan Mock 1
Biology
Bioenergetics
Light Dependent Mechanism of Photosynthesis
Light Independent Mechanism of Photosynthesis
A) Glycolysis
Show Explanation
B) Photosynthesis
Show Explanation
C) Respiration
Show Explanation
D) Krebs cycle
Show Explanation

In this stage of photosynthesis, ATP and NADPH are converted to ADP+Pi and NADP+

Balochistan Mock 1
Biology
Bioenergetics
Light Dependent Mechanism of Photosynthesis
A) Light dependent reaction
Show Explanation
B) Light independent reaction
Show Explanation
C) Both of these options are correct
Show Explanation
D) None of the above options are correct
Show Explanation

Autoimmune diseases act as the principle of:

Balochistan Mock 1
Biology
Transport
Immunity and its types
A) Self against antigens
Show Explanation
B) Antigen against self
Show Explanation
C) Self against self
Show Explanation
D) Antigen self destroyed
Show Explanation

In cell fractionation, various components of cells including its organelles can be isolated in different layers depending upon:

Balochistan Mock 1
Biology
Cell Structure and Function
Techniques used in Cell Biology
A) Their physical properties like size and weight
Show Explanation
B) Physical properties of the medium like its density
Show Explanation
C) Their electrical properties like their charges
Show Explanation
D) Both Options A and B are correct
Show Explanation

Cellular respiration is essentially what type of process?

Balochistan Mock 1
Biology
Bioenergetics
Introduction to Respiration
A) Oxidation
Show Explanation
B) Reduction
Show Explanation
C) Redox
Show Explanation
D) None of the above options is correct.
Show Explanation

Sperms are produced in:

Balochistan Mock 1
Biology
Reproduction
Reproduction in Males
A) Urethra
Show Explanation
B) Pancreas
Show Explanation
C) Sperm duct
Show Explanation
D) Testis
Show Explanation

The path taken by the nerve impulses in a reflex is called a:

Balochistan Mock 1
Biology
Coordination and Control
Steps Involved in Nervous Coordination
A) Nerve cell
Show Explanation
B) Reflex arc
Show Explanation
C) Receptor cells
Show Explanation
D) Mixed nerve
Show Explanation

Which of the following is heterozygote?

Balochistan Mock 1
Biology
Variation and Genetics
Mendelian Inheritance
A) RR
Show Explanation
B) rr
Show Explanation
C) Both a and b
Show Explanation
D) None of them
Show Explanation

Skin colour in man is controlled by how many pairs of genes?

Balochistan Mock 1
Biology
Variation and Genetics
Polygenic Inheritance And Epistasis
A) 1
Show Explanation
B) 2
Show Explanation
C) 3
Show Explanation
D) None of these
Show Explanation

Which statement correctly describes the alimentary canal of hydra?

Balochistan Mock 1
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) The alimentary canal is formed from the endodermal cells.
Show Explanation
B) The alimentary canal has a single opening.
Show Explanation
C) The alimentary canal is sac-like.
Show Explanation
D) All of the above.
Show Explanation

Inbreeding reduces the fitness of a population. This is the result of which increased genetic affect of inbreeding?

Balochistan Mock 1
Biology
Evolution
A) Rate of spontaneous mutation
Show Explanation
B) Genetic diversity
Show Explanation
C) Levels of aggression
Show Explanation
D) Expression of deleterious recessive traits
Show Explanation

Inbreeding increases the frequency of which of the following?

Balochistan Mock 1
Biology
Evolution
A) Heterozygous
Show Explanation
B) Genetic diversity
Show Explanation
C) Genetic linkage
Show Explanation
D) Homozygous
Show Explanation

Which of the following parts of cell is described as fluid mosaic?

Balochistan Mock 1
Biology
Cell Structure and Function
Plasma Membrane
A) Chloroplast
Show Explanation
B) Vacuole
Show Explanation
C) Cell membrane
Show Explanation
D) Endoplasmic reticulum
Show Explanation

A pure breeding tall pea plant was crossed to a dwarf plant, what will be the frequency of dwarf plants in F1?

Balochistan Mock 1
Biology
Variation and Genetics
Mendelian Inheritance
A) 0.25
Show Explanation
B) 0.5
Show Explanation
C) 0
Show Explanation
D) 1
Show Explanation

What does ATP provide during photosynthesis?

Balochistan Mock 1
Biology
Bioenergetics
Light Dependent Mechanism of Photosynthesis
A) Mechanical energy
Show Explanation
B) Chemical energy
Show Explanation
C) Physical energy
Show Explanation
D) All of these options are correct
Show Explanation

The nervous system of arthropods has:

Balochistan Mock 1
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) A brain, a ventral nerve cord and several ganglia.
Show Explanation
B) A brain, a dorsal nerve cord and several ganglia.
Show Explanation
C) A brain, a dorsal and ventral nerve cord and several ganglia.
Show Explanation
D) A ventral nerve cord and several ganglia.
Show Explanation

What are the total number of amino acids found in a haemoglobin molecule?

Balochistan Mock 1
Biology
Biological Molecules
Proteins
A) 575
Show Explanation
B) 576
Show Explanation
C) 574
Show Explanation
D) 573
Show Explanation

While bound to the active site, the substrate is converted into which of the following?

Balochistan Mock 1
Biology
A) Complex
Show Explanation
B) Substrate of high energy
Show Explanation
C) Product of reaction
Show Explanation
D) Both Options A and B are correct
Show Explanation

The book name in which Darwin published the theory of evolution is?

Balochistan Mock 1
Biology
Evolution
A) The origin of species by natural selection
Show Explanation
B) The origin of species
Show Explanation
C) The evolution of species
Show Explanation
D) The evolution of species by means of natural selection
Show Explanation

Where is the double stranded DNA of the bacteriophage found?

Balochistan Mock 1
Biology
Bio-diversity | Variety of Life
A) Tail
Show Explanation
B) Sheath
Show Explanation
C) Collar
Show Explanation
D) Head
Show Explanation

Antibodies are manufactured in:

Balochistan Mock 1
Biology
Transport
Immunity and its types
A) T Lymphocytes
Show Explanation
B) Red Blood Cells
Show Explanation
C) Platelets
Show Explanation
D) B Lymphocytes
Show Explanation

Bacteriochlorophylls does not include which of the following?

Balochistan Mock 1
Biology
Bioenergetics
Photosynthetic pigments
A) Chlorophyll a
Show Explanation
B) Chlorophyll b
Show Explanation
C) Chlorophyll c
Show Explanation
D) All of these
Show Explanation

Who discovered the bacteria causing Tuberculosis and also developed various techniques of media preparation and maintenance of pure culture?

Balochistan Mock 1
Biology
Kingdom Prokaryote
Taxonomy, Ecology & Diversity of Bacteria
A) Robert Koch
Show Explanation
B) Louis Pasteur
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C) Alexander Fleming
Show Explanation
D) Leeuwenhoek
Show Explanation

The lighter, inner section of the brain is called:

Balochistan Mock 1
Biology
Coordination and Control
Central Nervous System
A) White matter
Show Explanation
B) Gray matter
Show Explanation
C) Reflex arc
Show Explanation
D) Medulla
Show Explanation

Which of the following is the best desciption of bacteriophage?

Balochistan Mock 1
Biology
Variety of Life
A) Fungus
Show Explanation
B) Prokaryote
Show Explanation
C) Living organism
Show Explanation
D) Obligate intracellular parasite
Show Explanation

Which of the following combination is an example of self-replicating organelles?

Balochistan Mock 1
Biology
Cell Structure and Function
Cytoplasm and Organelles
A) Mitochondria and ribosomes
Show Explanation
B) Mitochondria and nucleus
Show Explanation
C) Mitochondria and vacuoles
Show Explanation
D) Mitochondria and chloroplasts
Show Explanation

The cell organelles involved, in some cases, with extra-cellular digestion _________ .

Balochistan Mock 1
Biology
Cell Structure and Function
Cytoplasm and Organelles
A) Golgi complex
Show Explanation
B) Lysosomes
Show Explanation
C) Peroxisomes
Show Explanation
D) Glyoxysomes
Show Explanation

Sperms are developed at what temperature?

Balochistan Mock 1
Biology
Reproduction
Reproduction in Males
A) Lower than the body temperature.
Show Explanation
B) Higher than the body temperature.
Show Explanation
C) Body temperature.
Show Explanation
D) All of the above.
Show Explanation

The substrate binds to a specific region on the enzyme called?

Balochistan Mock 1
Biology
A) Key
Show Explanation
B) Active site
Show Explanation
C) Hyperactive site
Show Explanation
D) None of these options are correct
Show Explanation

How many ml of oxygen are present in a litre of water?

Balochistan Mock 1
Biology
Transport
A) 10
Show Explanation
B) 20
Show Explanation
C) 40
Show Explanation
D) 200
Show Explanation

In human heart, the left atrium receives:

Balochistan Mock 1
Biology
Transport
A) The superior vena cava
Show Explanation
B) The inferior vena cava
Show Explanation
C) The coronary sinus
Show Explanation
D) The four pulmonary veins
Show Explanation

A chemical component that is NOT found in all viruses is _____.

Balochistan Mock 1
Biology
Bio-diversity | Variety of Life
A) Protein
Show Explanation
B) Lipids
Show Explanation
C) DNA
Show Explanation
D) RNA
Show Explanation

In mixed inhibition, the allosteric effect affects:

Balochistan Mock 1
Biology
A) Shape of substrate
Show Explanation
B) Shape of inhibitor
Show Explanation
C) Shape of enzyme
Show Explanation
D) None of these options are correct
Show Explanation

Directions:
In each of the following questions a statement is given, followed by two conclusions.
Statement: “Please do not wait for me, I may be late, start taking lunch as soon as the guests arrive.” – A message from a Director of a Company to his office managers.
Assumptions:
I. Keeping guests waiting is not desirable.

II. Lunch may not be ready in time.

Balochistan Mock 1
Logical Reasoning
Course of Action
A) Only assumption I is implicit
Show Explanation
B) Only assumption II is implicit
Show Explanation
C) Either I or II is implicit
Show Explanation
D) Both A and B
Show Explanation

Statement:
Should coal engines be replaced by electric engines in trains?

Arguments:
(I) Yes. Coal engines cause a lot of pollution.
(II) Yes. Electric engines are good on performance, easy to operate, and low on maintenance.
(III) No. Pakistan does not produce enough electricity to fulfill its domestic needs also.

Balochistan Mock 1
Logical Reasoning
Course of Action
A) All arguments are strong
Show Explanation
B) Only arguments I and II are strong
Show Explanation
C) Only arguments II and III are strong
Show Explanation
D) Only arguments I and III are strong
Show Explanation

Statements:
Nutritious food is delicious and good for health.

Apple is nutritious.
Conclusions:
(I) Apple is good for health.
(II) Delicious foods are nutritious.

Balochistan Mock 1
Logical Reasoning
Course of Action
A) Only conclusion (I) follows
Show Explanation
B) Only conclusion (II) follows
Show Explanation
C) Both conclusions follow
Show Explanation
D) Both of the conclusions do not follow
Show Explanation

Statement:
According to reports, the childrens below age 10 are being aggressive because of mobile phones.
Course of Action:
I. Parents needs to be strict with their child.
II. Parents need to be concerned and limit their screening time.

Balochistan Mock 1
Logical Reasoning
Course of Action
A) Both of the courses of action follow
Show Explanation
B) None of the courses of action follow
Show Explanation
C) Only courses of action I follows
Show Explanation
D) Only courses of action II follows
Show Explanation

Statement:

I. Large number of Primary Schools in the rural areas is run by only one teacher.
II. There has been a huge dropout from the primary schools in rural areas.

Balochistan Mock 1
Logical Reasoning
Course of Action
A) Statement I is the cause then 2 is its effect
Show Explanation
B) Statement 2 is the cause then I is its effect
Show Explanation
C) Both statements are independent causes
Show Explanation
D) Both of the statements are effect of independent causes
Show Explanation

Some ice, at its melting point, is added to m kg of water at an initial temperature of 290 K. c is the specific heat capacity of water and L is the latent heat of fusion of ice.

The ice melts completely. The final temperature of the water is “273 K”. What is the minimum mass of ice that is required?

Balochistan Mock 1
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) 17 mc/L.
Show Explanation
B) L/17 mc.
Show Explanation
C) 17 m/Lc.
Show Explanation
D) 290 m/Lc.
Show Explanation

Electron charge in accelerating motion will produce ______.

Balochistan Mock 1
Physics
Magnetism and Electromagnetic Induction
Motion of a Charged Particle in an Electric and Magnetic Field
A) Electric field
Show Explanation
B) Magnetic field
Show Explanation
C) EM waves
Show Explanation
D) None of these
Show Explanation

Angle between radius vector and centripetal acceleration is

Balochistan Mock 1
Physics
Circular Motion & Momentum
A) 0°
Show Explanation
B) π
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C) 2π
Show Explanation
D) none of these
Show Explanation

The output voltage of a rectifier is:

Balochistan Mock 1
Physics
Alternating Current
Alternating Voltage and Current
A) Smooth
Show Explanation
B) Pulsating
Show Explanation
C) Perfectly direct
Show Explanation
D) Alternating
Show Explanation

Force exerted by a unit charge is called:

Balochistan Mock 1
Physics
Electrostatics
Electric Potential
A) Electric field intensity
Show Explanation
B) Magnetic field
Show Explanation
C) Magnetic flux
Show Explanation
D) Charge
Show Explanation

The black body always __ radiations:

Balochistan Mock 1
Physics
Dawn of Modern Physics
Black Body Radiation
A) Emit
Show Explanation
B) Absorb

Show Explanation
C) Both Emit And Absorb
Show Explanation
D) Reflects
Show Explanation

The direction of current through the load resistance of a full-wave rectification circuit:

Balochistan Mock 1
Physics
Alternating Current
R-C, R-L and R-L-C Series AC Circuits
A) remains constant
Show Explanation
B) inverts for positive cycle
Show Explanation
C) changes for every cycle
Show Explanation
D) inverts for negative cycle
Show Explanation

In parallel plate capacitor Capacitance depends on:

Balochistan Mock 1
Physics
Electrostatics
Capacitor
Capacitance of a Parallel Plate Capacitor
A) Charge
Show Explanation
B) Electric field
Show Explanation
C) Voltage
Show Explanation
D) Cross-sectional area
Show Explanation

Correct form of ohm’s law

Balochistan Mock 1
Physics
Current Electricity
Ohms Law
A) I = VR
Show Explanation
B) V = I/R
Show Explanation
C) V = IR
Show Explanation
D) R= IV
Show Explanation

Ohm’s law is valid at ___ temperatures

Balochistan Mock 1
Physics
Current Electricity
Ohms Law
A) Constant
Show Explanation
B) Varying
Show Explanation
C) Low
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D) High
Show Explanation

If the force of 20 N acts at an angle 60 degree along horizontal then its vertical and horizontal components are:

Balochistan Mock 1
Physics
Forces and Motion
Motion in Two Dimensions
A) 20 N, 0 N
Show Explanation
B) 15 N, 10 N
Show Explanation
C) 17.32 N, 10 N
Show Explanation
D) 10 N, 17.32 N
Show Explanation

Which of the following gives the relationship between linear velocity and angular velocity?

Balochistan Mock 1
Physics
Circular Motion & Momentum
A) v=rω
Show Explanation
B) v=sω
Show Explanation
C) v=r0
Show Explanation
D) v=s0
Show Explanation

Which water is used to reduce the speed of fast moving neutrons?

Balochistan Mock 1
Physics
Nuclear Physics
Composition of Atomic Nuclei
A) Salty water
Show Explanation
B) Pure water
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C) Heavy water
Show Explanation
D) Muddy water
Show Explanation

A sound wave of frequency f and wavelength λ travels through air. It may be assume that its speed is independent of the frequency. Which graph correctly shows the variation off with λ?

Balochistan Mock 1
Physics
Wave Motion and Sound
A) Option A
Show Explanation
B) Option B
Show Explanation
C) Option C
Show Explanation
D) Option D
Show Explanation

A whistle giving out 450 Hz approaches a stationary observer at a speed of 33m/s. The frequency heard by the observer in Hz is (speed of sound = 330m/s).

Balochistan Mock 1
Physics
Wave Motion and Sound
A) 409
Show Explanation
B) 429
Show Explanation
C) 517
Show Explanation
D) 500
Show Explanation

The wave in which crest and trough superimpose each other is ?

Balochistan Mock 1
Physics
Wave Motion and Sound
A) Sound wave
Show Explanation
B) Light wave
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C) Stationary wave
Show Explanation
D) All of these
Show Explanation

Centrifugal acceleration of a car moving around in a circle of radius 5 m with 10 m/s velocity is ____.

Balochistan Mock 1
Physics
Circular Motion & Momentum
A) 20 m/s2
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B) 10 m/s2
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C) 6 m/s2
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D) 11 m/s2
Show Explanation

An emf of 0.003V is induced in a wire when it moves at right angles to uniform magnetic field with a speed of 4m/s if the length of the wire in the field is 15cm, what is the flux density in tesla?

Balochistan Mock 1
Physics
Magnetism and Electromagnetic Induction
Induced EMF and Induced Current
A) 0.003
Show Explanation
B) 0.005
Show Explanation
C) 6
Show Explanation
D) 12
Show Explanation

In the circuit given below, v(t) is the sinusoidal voltage source, voltage drop VAB(t) across the resistance R is, diode D1 and D2 are identical

Balochistan Mock 1
Physics
Electronics
A) Full wave rectified
Show Explanation
B) No rectification and has the same peak value in the positive and negative half cycles
Show Explanation
C) No rectification and has different peak values during positive and negative half cycle
Show Explanation
D) Half wave rectified
Show Explanation

Which of the given motion is a type of 2D motion

Balochistan Mock 1
Physics
Forces and Motion
Motion in Two Dimensions
A) Circular
Show Explanation
B) Pendulum motion
Show Explanation
C) Projectile motion
Show Explanation
D) All of these
Show Explanation

Eddy currents flow in:

Balochistan Mock 1
Physics
Magnetism and Electromagnetic Induction
Transformers
A) Open loops
Show Explanation
B) Closed loops
Show Explanation
C) Straight llnes
Show Explanation
D) Vertical loops
Show Explanation

Find the wavelength of electromagnetic waves of frequency 3×1012 Hz in free space.

Balochistan Mock 1
Physics
Electromagnetic Waves
A) 10-4 m
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B) 104 m
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C) 10-2 m
Show Explanation
D) 102 m
Show Explanation

A spring of force constant 800 N/m has an extension of 5 cm, the work done in extending it from 5 cm to 15 cm

Balochistan Mock 1
Physics
Oscillations and Simple Harmonic Motion
A) 16 J
Show Explanation
B) 8 J
Show Explanation
C) 32 J
Show Explanation
D) 24 J
Show Explanation

The period of circular motion is

Balochistan Mock 1
Physics
Circular Motion & Momentum
A) y=2π/ω
Show Explanation
B) y=2πω
Show Explanation
C) y=ω/2π
Show Explanation
D) y=πω/2
Show Explanation

The work function of a metal is 1 eV. Light of wavelength 3000 Å is incident on this metal surface. The velocity of the emitted photo-electrons will be:

Balochistan Mock 1
Physics
Dawn of Modern Physics
Photoelectric Effect
A) 10 m/sec
Show Explanation
B) 1′ 103 m/ sec
Show Explanation
C) 1′ 104 m/ sec
Show Explanation
D) 1′ 106 m/ sec
Show Explanation

Which surface will absorb more light?

Balochistan Mock 1
Physics
Atomic Spectra
Spectrum of Hydrogen Atom
A) Yellow painted
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B) Blue painted
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C) White painted
Show Explanation
D) Black painted
Show Explanation

A particle of mass m at rest is acted upon by a force F for a time t. Its K.E after an interval t is

Balochistan Mock 1
Physics
Work, Power & Energy
A) Option A
Show Explanation
B) Option B
Show Explanation
C) Option C
Show Explanation
D) Option D
Show Explanation

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

Balochistan Mock 1
Physics
Dawn of Modern Physics
Pair Production and Annihilation
A) 2:1
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B) 1:2
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C) 20:1
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D) 1:20
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