KMU 2024 Past Paper

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The genetic code of ______ is bound by a lipid membrane?

Enterovirus
Flu virus
Hepatitis A virus
Polio virus

Viruses Can NOT

Crystalise
Excrete
Infect bacteria
Mutate

Where are the enzymes required for the replication of HIV virus located?

In the protein spikes
Surrounding the viral core
Inside the capsid
Outside the capsid

The process of ATP synthesis through a combination of electrochemical and osmotic events is known as:

Fermentation
Glycolysis
Oxidative phosphorylation
Oxidation of pyruvate to acetyl CoA

Optimum pH for pancreatic lipase is:

2
4
6
8

Sugarcane contains

Fructose
Glucose
Ribose
Sucrose

Sickle cell anaemia results from?

Reduction in oxygen carrying capacity of haemoglobin
Linkage between the polypeptide chains
Single amino acid substitution in the haemoglobin molecule
Viral infections of RNA viruses

Which is INCORRECT about the globular proteins?

Abundantly found in hair
Are spherical in shape
Have polypeptide chains
Soluble in water

What is the ester of fatty acids and long chain alcohol called?

Acylglycerol
Glycerol
Phospholipid
Wax

Lipids, which do not contain fatty acid are:

Neutral lipids
Phosphatidic acids
Steroids
Waxes

The peptidoglycan cell wall is specific to.

Amoeba
Bacteria
Protozoa
Virus

Where are spindle fibres attached on a chromosome during cell division

Centromere
Histone proteins
Nucleolus
Telomere

Which organelle contribute towards steroid production?

Endoplasmic Reticulum
Golgi apparatus
Lysosome
Ribosomes

The lysosomes found in eukaryotes contain:

Hydrolytic enzymes
Meiotic enzymes
Oxidative enzymes
Mitotic enzymes

Plasma membrane is differentially permeable membrane due to the presence of?

Carbohydrates
Lipids
Proteins
Vitamins

The following function/activity is NOT controlled by the autonomic nervous system.

Cardiac muscles contraction
Salivation
Smooth muscles contraction
Thoughts and emotions

A motor neuron:

Carries impulse from effectors to CNS
Carries impulse from receptors to CNS
Carries impulse from CNS to muscles
Connects sensory nerves to ganglions.

Diffusion of ______ across the post synaptic membrane causes it to depolarise:

Calcium ions
Chloride ions
Potassium ions
Sodium ions

A reflex action, does not involve the:

Brain
Motor neuron
Sensory neuron
Spinal cord

What happens to the enzyme after an enzyme-catalysed reaction?

Reduced to inactive form
Becomes inert
Changes into substrate
Used for another reaction

Catalase can be activated at pH:

1
3
5
7

Enzymatic activity can be inhibited by?

Heavy metal ions
Methane
Mutase
Noble gases

A competitive inhibitor:

Accelerates the chemical reaction
Competes with the enzyme
Is irreversible
Is reversible

Wings of birds and that of flying lizards provide evidence of:

Convergent evolution
Divergent evolution
No evolution
Same origin

The embryological stages of ______ show similarity in anatomical features.

All living things
All non-vertebrates
All vertebrates
Human, jelly fish and mouse

Which enzyme is secreted in the active form?

Amylase
Lipase
Peptidase
Protease

Which hormone stimulates the secretion of gastric juice?

Cholecystokinin
Gastrin
Insulin
Secretin

In an inflammatory response, bradykinin causes?

Activation of natural killer cells
Blockage in blood vessels
Constriction of blood vessels
Leakage of fluid from blood vessels

Which of the following is an example of passive immunity?

Antibodies from mother's milk
Previous chickenpox infection
Inactivated polio vaccine
Live polio vaccine

Bacteria that lack flagella are called?

Amphitrichous
Atrichious
Lopho
Peritrichous

Antibiotics can be used against:

Herpes simplex
Influenza
Polio
Salmonella typhi

The ______ in semen facilitate the transport of sperms.

Androgen
Prostaglandins
Oxytocin
Testosterone

The acidity of urine is neutralized by?

Cowpers gland
Prostate gland
Seminal vesicle
Vas deferens

The corpus luteum is essentially formed from

Graafian follicle
Ovum
Oogonium
Oocyte

The outer layer of uterus is called as:

Endometrium
Myometrium
Mesometrium
Perimetrium

______ is spread through sexual contact.

Gonorrhoea
Influenza
Tuberculosis
Typhoid

The cells contained in the lacunae of the bone are called

Chondrocytes
Osteoblast
Osteocytes
Osteoclast

The ______ surrounds the muscle fibre of the skeletal muscle.

Cytoplasm
Lacunae
Myofibrils
Sarcoplasm

What happens to calcium when skeletal muscles recover from contraction?

Released from the sarcoplasmic reticulum
Released from the myosin head
Pumped into the sarcoplasmic reticulum
Exchanged for sodium ions

Which of the following blood groups has anti-A and anti-B antibodies in the serum?

A
AB
B
O

What is the primary outcome of crossing over during prophase of meiosis I?

Chromosomes duplicate without any exchange of parts
Homologous chromosomes exchange different pairs leading to recombinant chromatids and increased genetic variation
Homologous chromosomes exchange identical parts, resulting in no genetic variation
Non-homologous chromosomes exchange part

The genetic makeup that your parents have transferred to you for your hair color, makes up your:

Genotype
Karyotype
Phenotype
None of the above

Carnivorous plants have evolved mechanisms for trapping and digesting small animals. The product of this digestion is used to supplement the plant's supply of:

Carbohydrates
Lipids
Nitrites
Water

Which is true for an X linked dominant trait?

All female offspring of the affected father will be affected
Half of the female offsprings of the affected father will be affected
No male offspring of an affected mother will be affected
No female offspring of the affected father will be affected

Malpighian tubules are found in:

Earthworm
Grasshopper
Leech
Slug

Shark belongs to class

Chondrichthyes
Echinodermata
Osteichthyes
Urochordata

Canal system is a characteristic of?

Cnidarians
Protozoans
Porifera
Segmented worms

Mantle is the feature of?

Annelids
Chordates
Echinoderms
Mussel

The production of energy is

Faster in anaerobic respiration
Faster in aerobic respiration
Same in both types of respiration
Not associated with respiration

The pathway to the breakdown of glucose, carried out by micro-organisms, is called:

Lactic acid fermentation
Alcoholic fermentation
Cellular respiration
None of the above

Chromosome is typically made up from a combination of?

DNA and protein
DNA and RNA
RNA and lipids
RNA and proteins

Which cytoplasmic organelle make their own proteins?

Chromosomes
Golgi apparatus
Mitochondria
Smooth endoplasmic reticulum

The active mass movement of mitochondria in the cytoplasm is due to

Cyclosis
Endoplasmic streaming movements
Golgi apparatus
Transfer RNA

Which part of the brain is controlling your sense of balance?

Amygdala
Cerebellum
Hippocampus
Medulla Oblongata

The neurotransmitter ______ is hydrolysed by monoamine oxidase

Acetylcholine
Adrenaline
Gluamate
Serotinin

Most of the neurons in the CNS are?

Bipolar
Multipolar
Pseudounipolar
Unipolar

The enzymes enable the conversion of substrates into products by

Changing equilibrium in the direction of the substrate
Increasing the activation energy
Increasing the substrate concentration
Lowering the activation energy

According to Lamarckism, the basis of evolution is:

Inheritance of acquired characteristics
Mutation
Natural selection
Survival of the fittest

What best describes the hind leg bones seen in the whale?

Analogous to the fin of living fish
Fossil structure from an extinct ancestor
Homologous structure of the wings of a bat
Vestigial structures that had a function in an ancestor

Which is true about the cells found in gastric glands lining the stomach wall?

Chief cells secrete gastrin
Hormone cells secrete intrinsic factor
Mucus cells secrete mucin
Parietal cells secrete pepsinogen

What directly triggers the activation of natural killer cells?

Free radicals
Hydrogen peroxide
Interferons
Oxygen

Which of the following is NOT true about plasmids found in streptococci?

Carry fewer genes than the chromosome
Replicate autonomously from the chromosome
They are considered as genetic element
The bacterial chromosome depends on plasmids for replication

Which of the following bacteria produces endospores?

Both gram negative and positive bacteria
Gram negative
Gram positive
Mycobacteria

______ is used in the production of Humulin?

Bacteria
Fungi
Protozoa
Virus

Which of the following does NOT relate to smooth muscles?

Controlled by the autonomic nervous system
Have spindle shaped cells
Line the wall of heart
Lack striations

Which term best describes an organism's physical characteristic.

Allele
Genetic code
Genotype
Trait

What will happen with the addition of salt to water?

Water potential will increase
Water potential will remain same
Osmotic potential will increase
Osmotic potential will remain same

Which of the following is NOT true about viruses?

Contain DNA
Can replicate on their own
Can infect bacteria
They have a sub-cellular structure

How many moles are there in 60g of sodium hydroxide (NaOH)?

2
4
6
8

Heating 24.8g of copper carbonate (CuCO₃) in a crucible produced only 13.9g of copper oxide (CuO). What is the percentage yield of copper oxide?

81.79%
83.98%
86.87%
89.68%

Efficiency of chemical reaction can be checked by calculating:

Actual yield
Theoretical yield
Percentage yield
Amount of the reactant unused

Actual yield will reach the ideal (theoretical) value if the % yield of the reaction is:

10%
50%
90%
100%

Which of the following sub-shell does not exist?

1p
1s
5d
6f

The splitting of spectral lines in magnetic field is:

Aufbau principle
Pauli exclusion principle
Stark effect
Zeeman effect

Which element has the electronic configuration of noble-gas notation [Kr], 5s², 4d²?

Mo
Se
Sr
Zr

Total number of electron pairs present in the valence shell of central atom in water are:

2
3
4
5

What is the mass of 1 mole of calcium carbonate (CaCO₃)?

50g
75g
100g
125g

Which one of the following molecules has a pyramidal structure?

C₂H₄
CH₄
H₂O
NH₃

Which one of the following molecules has a zero-dipole moment?

BF₃
NF₃
NH₃
H₂O

The unhybridized p orbital in sp² hybridization is:

In the same plane
Out of the plane
Parallel to sp² orbitals
Perpendicular to sp² orbitals

760 torr is equal to:

1 Pascal
76 Pascal
760 Pascal
101325 Pascal

How many grams of CO₂ can be produced by thermally decomposing 10 moles of ZnCO₃?

320
360
400
440

Molar heat of vaporization of water is:

40.7 cal/mol
40.7 J/mol
40.7 kcal/mol
40.7 kJ/mol

Distillation under very reduced pressure is:

Destructive distillation
Fractional distillation
Steam distillation
Vacuum distillation

The example of metallic solid is:

B
C
Cu
Si

When a crystalline substance conducts current in one direction but not through other directions of the crystal, this property is:

Allotropy
Anisotropy
Isomorphism
Polymorphism

Forward reaction is the one that:

Is very slow at the beginning of the reaction
Reacts to form reactants
Speeds up gradually and at equilibrium its rate becomes constant
Takes place from left to right as given in chemical equation

How many moles of NaCl are produced from 16.5g of HCl, according to the neutralization reaction? HCl(aq) + NaOH(aq) → NaCl(aq) + H₂O(l)

0.252
0.452
0.652
0.852

In the production of SO₃ from SO₂ and Oxygen, the yield of SO₃ is increased by:

Adding a catalyst
Adding more SO₂
Increasing temperature
Removing oxygen

Consider N₂ + 3H₂ ⇌ 2NH₃ (ΔH = -92.46kJ/mol). The optimum temperature (°C), to produce ammonia is:

0
450
5000
Constant temperature

The unit of Kc for the system PCl₅ ⇌ PCl₃ + Cl₂ is:

dm³/mol
mol/dm³
mol/dm⁶
mol²/dm⁶

For a first order reaction A → B, the rate constant is 0.0458 s⁻¹. Calculate rate of the reaction if the concentration of reactant is 0.35 mol dm⁻³.

0.012 mol dm⁻³s⁻¹
0.014 mol dm⁻³s⁻¹
0.016 mol dm⁻³s⁻¹
0.018 mol dm⁻³s⁻¹

A reaction is first order with respect to A and second order with respect to B, the rate equation is:

Rate = k[A]
Rate = k[A][B]
Rate = k[A]²[B]
Rate = k[A][B]²

What mass of aluminium oxide (Al₂O₃) is produced from 18.5g of Al metal, when it reacts completely with oxygen gas according to the following equation? 4Al(s) + 3O₂(g) → 2Al₂O₃(s)

30.8g
32.6g
34.9g
36.5g

Calculate the work done when 1 mole of an ideal gas expands from 5 dm³ to 20 dm³ against a constant external pressure of 2 atmospheres.

-30 atm.dm³
10 atm.dm³
5 atm.dm³
30 atm.dm³

When 1 mole of ice melts at 0°C and constant pressure of 1 atmosphere, 6025 J of heat is absorbed by the system. The molar volume of ice and water are 0.020 and 0.018 dm³ respectively. Calculate ΔE. (1 dm³.atm = 101.33 J)

6010.20J
6015.20J
6020.20J
6025.20J

One slice of bread with a tablespoon of peanut butter on it contains 20g carbohydrate, 10g protein, and 9g fat. Calculate total energy consumed in this intake.

158kcal
173kcal
201kcal
218kcal

ΔH can be measured indirectly by applying:

Avogadro's law
Faraday's law
Gas's law
Hess's law

The heat of sublimation of potassium is 98 kJ/mol, heat of dissociation of bromine gas is 192.5 kJ/mol. Ionization energy of K is 414 kJ/mol. Electron affinity of Br is -334.7 kJ/mol and heat of formation of KBr is -405.8 kJ/mol. Calculate the lattice energy of KBr.

-679.3
-669.5
679.3
669.5

Which one of the following is a strong electrolyte in solution?

Acetic acid
Ammonium hydroxide
Carbonic acid
Potassium iodide

When 4 g of magnesium was heated in excess of oxygen. Calculate the theoretical yield of magnesium oxide (MgO).

3.7g
4.2g
5.4g
6.6g

The electrode potential of the standard hydrogen electrode is chosen as:

-1 V
0 V
1 V
2 V

Electronegativity of Al is approximately equal to that of:

B
Be
Mg
Na

Which of the following alkali metal forms only normal oxide with O₂?

K
Li
Na
Rb

Third period element that initially reacts rapidly with oxygen to form a protective oxide coating that prevents further reactions is:

Al
Mg
Na
Si

Cu²⁺ salt solution is blue in colour due to transition of electrons from:

d to d orbital
p to d orbital
p to p orbital
s to p orbital

Potassium ferrocyanide is which type of salt?

Complex
Double
Mixed
Normal

Name of ketone functional group is:

Amino
Carbonyl
Carboxyl
Formyl

Pyridine belongs to which class of organic compounds?

Alicyclic
Heterocyclic
Homocyclic
Hydrocarbon

Which of the following elements cannot be detected directly in a given organic compound?

Chlorine
Nitrogen
Oxygen
Phosphorous

The homolytic fission of C-H bond in an alkane result in:

Alkyl free radical
Carbanion
Carbocation
Methylpropane

Addition of HBr to isobutylene mainly gives:

isobutyl bromide
n-butyl bromide
sec-butyl bromide
tert-butyl bromide

Dehydrohalogenation of alkylhalide is carried out in presence of:

Alcoholic KOH
Aqueous KOH
Conc. H₂SO₄
Zn dust

The pKb of n-propyl amine is:

3.24
3.28
3.32
3.35

The carbon atom carrying positive charge and attached to three other atoms or groups is called:

Carbanion
Carbene
Carbocation
Oxonium

Which of the following has the highest boiling point?

ethyl alcohol
isopropyl alcohol
n-propyl alcohol
tert-butyl alcohol

The reaction of an alcohol with sodium produces:

Aldehyde
Alkoxide
Ethane
Ethene

Oxidation of secondary alcohol gives:

Carboxylic acid
Ether
Ketone
Phenol

Which aldehyde is more reactive towards nucleophilic addition?

Acetaldehyde
Butyraldehyde
Formaldehyde
Propionaldehyde

Acetic acid can be prepared by the hydrolysis of:

Ethanal
Ethanol
Methanoic acid
Methyl cyanide

Protein present in haemoglobin has ______ structure.

Primary
Secondary
Tertiary
Quaternary

In competitive inhibition, the inhibitor:

Binds with substrate
Competes with enzyme
Competes with substrate
Irreversibly binds with enzyme

A car is moving in a circular path at a constant speed. What provides the necessary centripetal force to keep the car moving in this path?

The car's inertia resisting any change in direction
The car's mass pulling it towards the centre of the circle
The engine's power pushing the car forward
The friction between the tyres and the road

Which of the following pairs correctly matches a physical quantity with its SI unit?

Energy - Newton
Force - Joule
Power - Watt
Velocity - m/s²

What is the natural tendency of an object to remain at rest or in motion with constant velocity?

Friction
Inertia
Mass
Weight

A car in motion hits and gets crashed into a tree trunk, what is NOT conserved?

Kinetic energy alone
Momentum alone
Momentum and kinetic energy both
Neither kinetic energy nor momentum

The vertical and horizontal component of the projectile motion are:

Correlated with each other
Dependent on each other
Independent of each other
Associated with each other

A ball is kicked horizontally from the top of a 10m high cliff with an initial speed of 15m/s. After 2 seconds, which of the following statement describes the ball's horizontal and vertical components?

The horizontal velocity is 15m/s while vertical velocity is 20m/s downwards
The horizontal velocity is 15m/s while vertical velocity is 15m/s downwards
The horizontal velocity is 30m/s while vertical velocity is 20m/s downwards
The horizontal velocity is 15m/s while vertical velocity is 0 m/s

How does an angle between the force applied and the direction of motion influence the work done on an object?

Work is constant regardless of the angle
Work is maximum when the angle is 0°
Work is negative when the angle is 90°
Work is 0 when the angle is 45°

A nurse is pushing a wheelchair with an 80kg patient sitting on it. How much work is done by the patient's weight?

Half of the work
Maximum work
Minimum work
No work

If a constant force of 10N is applied to move an object 5m in the direction of the force, what is the work done?

2 J
5 J
15 J
50 J

The escape velocity of a body in the gravitational field of Earth is dependent on:

Angle on which it is thrown
Both mass of the body and the angle at which it is thrown
Mass of earth
Mass of the body

A wheel makes 3 complete revolutions. What is the total number of radians through which a point on wheel has rotated?

For rigid body that rotates about a fixed axis, the angle swept out by a line passing through any point on the body and intersecting the axis of rotation perpendicularly is called?

Angular acceleration
Angular displacement
Angular momentum
Angular velocity

In a rotating spaceship, to produce artificial gravity, what does the centripetal force do?

Has no effect inside the spaceship
Increases spaceship's rotation
Pulls objects towards the centre
Pushes the objects towards the outer wall

When the mass of a body moving along a circle becomes half and radius becomes double, and v is constant, the centripetal force becomes?

Double
Half
One-fourth
Remains Same

What happens when two waves of the same frequency and amplitude meet in phase?

They cancel each other out resulting in a destructive interference
They combine to form a wave double the amplitude, resulting in constructive interference
They produce a wave with zero amplitude
They produce a wave with the same amplitude as the individual waves

Which type of waves can be polarized?

Longitudinal waves
Mechanical waves
Sound waves
Transverse waves

For longitudinal waves:

The particles of the medium oscillate perpendicular to the wave's propagation
The particles of the medium remain stationary as the wave passes through
The particles of the medium oscillate along the direction of the wave's propagation
Their velocity is enhanced when they travel through vacuum

According to the principle of superimposition, when 2 or more waves overlap at a point in space, the amplitude of the resultant wave at that point is:

Always zero
The product of the individual wave amplitude
The product of the frequencies of the individual waves
The sum of the amplitudes of the individual waves

The speed of sound in a medium containing ideal gas is NOT dependent on:

Density
Moisture
Pressure
Temperature

A tuning fork having frequency equal 440Hz produces sound waves which travel with the speed of 340 m/s. What is the separation between a compression and the adjacent rarefaction of the sound waves?

0.57 m
0.67 m
0.77 m
0.87 m

A police car, with its siren on, is moving towards a stationary listener. How does the stationary listener receive the frequency of the sound emitted by the siren?

Decreases
Increases
Stays the same
Varies randomly

In an adiabatic process, how does the temperature of a gas change as its volume decreases?

The temperature decreases
The temperature increases
The temperature remains constant
The temperature first increases then decreases

During an isothermal expansion of an ideal gas, which of the following statement is true?

Pressure and temperature of the gas increase
The internal energy of the gas increases
The temperature of the gas remains constant
The work done by the gas is zero

Consider an ideal gas confined to the cylinder with a fixed piston, on heating the gas, all the heat supplied increases:

Kinetic energy of the molecules
Potential Energy of the molecules
The intermolecular forces between gas molecules
The number of gas molecules

What is the increase in force between two charges if the separation between them is decreased by 50 percent?

Becomes four times
Doubles
Increases by half
Triples

According to Coulomb's law, what happens to the electrostatic force between the 2-point charges if the distance between them is doubled?

The force becomes one-fourth
The force becomes half
The force doubles
The force remains the same

What does one Coulomb represent in terms of charge?

The amount of charge transported by a current of one Ampere in one second
The charge of one proton
The charge of one electron
The charge required to create a force of 1 Newton between two charges separated by 1 meter

Two points charges, +5µC and -5µC are placed at points A and B, respectively, which are separated by a distance 2d. What is the electric potential at the midpoint M of the line joining A and B?

2kQ/d
kQ/d
-kQ/d
zero

In the case of a parallel plate capacitor, when the distance between the two plates is reduced to half and the area of the plate doubled, the capacitance:

Increases four times
Increases six times
Is doubled
Remains the same

If the dielectric material between the plates of the capacitor is removed, what happens to the electric field between the plates?

The electric field becomes zero
The electric field decreases
The electric field increases
The electric field remains the same

Capacitance of a capacitor increases with a decrease in:

Dielectric constant
Plate area
Permittivity
Plate separation

The I-V Graph for a non-Ohmic material is always:

Curved
Horizontal
Linear
Perpendicular

Temperature coefficient of resistance is defined as increase in resistance per ohm original resistance per ?

Degree rise in temperature
Unit increase in electric current
Unit decrease in capacitance
Degree drop in temperature

For metals, the temperature coefficient of resistance is:

Infinity
Negative
Positive
Zero

If R1 and R2 are respectively the filament resistance of a 100-Watt bulb and 200-Watt bulb designed to operate on the same voltage, then power of:

R1 is two times R2
R2 is two times R1
R2 is four times R1
R1 is four times R2

The maximum power transfer theorem states that maximum power is delivered to the load when:

The load resistance is half of the source resistance
The load resistance is zero
The load resistance is double the source resistance
The load resistance is equal to the source resistance

Electron Volt (eV) is another unit of:

Charge
Current
Energy
Power

An electron is moving perpendicular to the magnetic field, which of the following is correct statement about electromagnetic force acting on the electron?

Force acting is equal to electron charge
Force acting is equal to the magnetic field strength
Force acting is maximum
Zero force is acting on it

For a positive charged particle (q) moving with a velocity (v) in a magnetic Filed of flux density B, the force (F) acting on the charge particle is given by the expression?

q = Fv × B
F = q(v × B)
F = v × B / q
q = v × B / F

Which of the following statement is true about the magnetic field inside a solenoid?

It is along the axis of the coil
It is circular around the wires
It is strongest at the ends of the solenoid
It is zero when current flows through it

One-meter-long copper rod is moving with speed 20 m/sec in the magnetic field of strength 0.6 tesla what is the value of induced emf?

12 V
19.4 V
20.6 V
25 V

The inductance of a coil depends on:

Number of turns
Resistance of the wire used
Type of insulation used on the wire
Voltage applied to the coil

The direction of induced current is determined by?

Ampere's law
Faraday's law
Lenz's law
Ohm's law

Lenz's law is consistent with the:

Ampere's Law
Faraday's law
Law of conservation of energy
Ohm's Law

The basic principle behind the operation of the transformer is:

Coulomb's law
Electromagnetic induction
Gas's Law
Hess's law

When the PN junction is reverse-biased, its reverse current is of the order of:

Gigaamperes
Kiloamperes
Megaamperes
Microamperes

The momentum of moving photon is:

mc²
λ/h
h/λ
zero

In every instant of time, wavelength associated with a freely falling body:

Decreases
Increases two times
Increases four times
Remains constant

As per 2nd photoelectric experiment, photoelectric effect does not occur if the frequency of the incident light is?

Below the threshold frequency
Equals the threshold frequency
Three times the threshold frequency
Twice the threshold frequency

If an electron in the hydrogen atom jumps from second to first orbit, the emitted radiation has a wavelength of?

4/3R_H
3/4R_H
R_H
4R_H

Black body is an ideal radiator that radiates at all wavelengths:

Inconsistently
Distinctly
Equally
Unequally

Mass number A refers to:

Number of electrons
Number of nucleons
Number of neutrons
Number of protons

λ (lambda) is a ... constant:

Decay
Dielectric
Plank's
Proportionality

Gamma ray camera can observe radiations from the:

Atoms
Isotopes
Nucleons
Neutrons

A person who sells goods and services is a:

Consumer
Purchaser
Patron
Vendor

The detective noticed a subtle change in the suspect's tone when he asked about her whereabouts on the night of the crime, which hinted at something more significant. What does 'subtle' most likely mean?

Dramatic
Notable
Obvious
Slight

Despite the complicated situation, she remained _____, calmly assessing her options before deciding. Fill in the blank with the appropriate choice:

Composed
Erratic
Frantic
Hysterical

Find out synonym for 'Elated':

Confused
Disappointed
Nervous
Overjoyed

Choose the sentence with the correct tense and sentence structure:

He is going to the market yesterday.
I had been waiting for the bus, and it arrives.
She will finish her homework before she went to bed.
They were playing football when it started to rain.

Choose the correct sentence.

My father was talking to his friend on mobile phone when I fall from the bicycle.
My father is talking to his friend on mobile phone when I fall from the bicycle.
My father was talking to his friend on mobile phone when I fell from the bicycle.
My father was talking to his friend on mobile phone when I am falling from the bicycle.

Choose the correct sentence:

She didn't knew about the surprise party.
She hasn't knew about the surprise party.
She didn't know about the surprise party.
She doesn't knew about the surprise party.

After she ______ the stairs, her heart almost gave out from exhaustion.

Has climbed
Have climbed
Had climbed
Was climbing

Punctuate the given sentence correctly. The teacher asked did you complete your homework

The teacher asked, did you complete your homework?
The teacher asked, "Did you complete your homework?"
The teacher asked, "did you complete your homework".
The teacher asked, did you complete your homework.

Punctuate the following sentence correctly. Lets meet at Sarahs house after school

Let's meet at Sarah's house after school.
Let's meet at Sarahs' house after school.
Lets meet at Sarah's house after school.
Let's meet, at Sarah's house after school.

Do you usually take a bus........ the market?

By
For
Of
To

He has been working ______ this project for two weeks.

At
By
To
On

Identify the sentence that contains an ERROR in word order, style, or vocabulary:

He has a talent for solving complex problems.
She enjoys reading, writing, and to paint.
The quick brown fox jumps over the lazy dog.
They quickly adapted to the new environment.

Identify the ERROR in the sentence: The chef quickly prepared, delicious and it served a meal.

Punctuation
Style
Vocabulary
Word order

Order is the law of civilization as chaos is the law of the _____. The most appropriate word to be filled in is:

City
Metropolis
Universe
Wilderness

Blueprint is to architect as algorithm is to

Designer
Engineer
Physician
Programmer

"Regular exercise has been shown to improve overall health by reducing the risk of chronic diseases, such as heart disease and diabetes. Additionally, exercise enhances mental well-being by reducing stress, anxiety, and depression. Despite these benefits, many people find it challenging to maintain a consistent exercise routine due to busy schedules and a lack of motivation." Based on the paragraph, which of the following statements can be inferred?

Busy schedules and lack of motivation are barriers to regular exercise.
Chronic diseases cannot be prevented by regular exercise.
Exercise is only beneficial for physical health, not mental health.
People who exercise regularly never experience stress or anxiety

Which of the following words is a synonym for "meticulous"?

Abhorrent
Heedless
Incautious
Precise

Find out the missing term in the sequence: 15, 14, 12, 9, ?

5
6
7
8

All omnivores are herbivores. No herbivores are carnivores. Some carnivores are humans. Which of the following conclusions are TRUE? CONCLUSIONS: I. Some humans are carnivores. II. No carnivores are omnivores. III. Some omnivores are carnivores.

I and II
I and III
II and III
III

Read the following statements and identify the best cause-and-effect relation: 1. Sara's productivity at work has significantly decreased over the past month. 2. Sara has been experiencing frequent interruptions due to ongoing construction work near her office. Which of the following best describes the cause-and-effect relationship?

Sara's decreased productivity is causing the construction work.
The ongoing construction work is causing Sara's decreased productivity.
Sara's productivity was already decreasing before the construction work began.
The construction work is unrelated to Sara's productivity.

A store offers a 10% discount on all items. After applying the discount, the price of an item is Rs. 450. What was the original price of the item?

Rs. 490
Rs. 495
Rs. 500
Rs. 505

I went 10m to the East from my house, then turned north and walked another 15m, and then I turned west and covered 12m, and then turned south and covered 15m. How far am I from my house?

0 m
1 m
2 m
3 m

If a > b, b > c, and d > a then?

b < d
a < c
b > d
c > d

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