Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

The eye lens is a

A. transparent double-convex lens
B. transparent double-concave lens
C. transparent concavo-convex lens
D. none of these
Answer» B. transparent double-concave lens
2.

Which of the following lens is used to minimise hypermetropia?

A. convex lens
B. concave lens
C. cylindrical lens
D. none of these
Answer» B. concave lens
3.

BCG vaccine is used to protect a child from

A. polio
B. plague
C. dengue
D. tuberculosis
Answer» E.
4.

The tricuspid valve occurs between the

A. right auricle and right ventricle
B. pulmonary aorta
C. carotico-systemic aorta and left ventricle
D. left ventricle
Answer» B. pulmonary aorta
5.

When the object is at focus of a concave mirror, the image is formed at

A. focus
B. centre of curvature
C. within focus
D. infinity
Answer» E.
6.

The distance between two consecutive crests is L, then the wavelength is given by

A. L/2
B. 2 L
C. 4 L
D. L
Answer» E.
7.

Removal of anthers from flowers is the process which is known as

A. emasculation
B. breeding
C. manuring
D. fallowing
Answer» B. breeding
8.

Both erythrocytes and leucocytes are formed in the

A. bone marrow
B. thymus
C. arterial walls
D. lymph nodes
Answer» B. thymus
9.

Evaporation is the process of changing liquid into vapour

A. at any temperature
B. above its boiling point
C. at its boiling point
D. below its boiling point
Answer» E.
10.

Friction between any two objects is due to

A. attraction between them
B. repulsion between them
C. some adhesive forces between them
D. irregularities on the surfaces
Answer» E.
11.

Mountain sickness results due to

A. anaemic hypoxia
B. arterial hypoxia
C. lack of sufficient RBCs
D. lack of sufficient WBCs
Answer» C. lack of sufficient RBCs
12.

The process of respiration is concerned with

A. liberation of oxygen
B. liberation of carbon dioxide
C. liberation of energy
D. intake of oxygen
Answer» E.
13.

When the speed of a moving body is doubled

A. its acceleration is doubled
B. its momentum is doubled
C. its kinetic energy is doubled
D. its potential energy is doubled
Answer» C. its kinetic energy is doubled
14.

A stone is dropped into water from abridge 44.1 m above the water. Another stone is thrown vertically downward 1 s later. Both strike the water simultaneously. What was the initial speed of the second stone?

A. 12.25 m/s
B. 14.75 m/s
C. 16.23 m/s
D. 17.15 m/s
Answer» B. 14.75 m/s
15.

The force which tries to bring the body back to its mean position is called

A. deforming force
B. restoring force
C. gravitational force
D. buoyant force
Answer» C. gravitational force
16.

the flowing water of a river possesses ______ energy.

A. gravitational
B. potential
C. electrical
D. kinetic
Answer» E.
17.

Cathode rays are produced when high electric voltage is applied to the gas held in a discharge tube at a pressure of about

A. 10-3 atm
B. 10-5 atm
C. 1 atm
D. 100 atm
Answer» B. 10-5 atm
18.

An ice cube is floating in a glass of water. What happens to the water level when the ice melts?

A. rises
B. falls
C. remains same
D. first rises and then falls
Answer» D. first rises and then falls
19.

Who discovered by his experiments with glass prisms that white light consists of seven colours?

A. Newton
B. Faraday
C. Maxwell
D. Young
Answer» B. Faraday
20.

Which one of the following is the most common type of transpiration?

A. stomatal
B. lenticular
C. foliar
D. cuticular
Answer» B. lenticular
21.

Parthenogenesis is a type of

A. sexual reproduction
B. asexual reproduction
C. budding
D. regeneration
Answer» C. budding
22.

The hot air balloon rises because it is

A. denser
B. less dense
C. equally dense
D. the given statement is wrong
Answer» C. equally dense
23.

Asthma is a respiration disease caused due to

A. infection of trachea
B. infection of lungs
C. bleeding into pleura cavity
D. spasm in bronchial muscles
Answer» E.
24.

When a bicycle travels on a rough surface, its speed

A. increases
B. decreases
C. remains the same
D. none of these
Answer» C. remains the same
25.

Beakers A, B and C contain zinc sulphate, silver nitrate and iron (II) sulphate solutions, respectively. copper pieces are added to each beaker. Blue colour will appear to in case of

A. beaker A
B. beaker B
C. beaker C
D. All the beakers
Answer» C. beaker C
26.

The life span of human WBCs is normally

A. 12-13 days
B. 80-90 days
C. 100-120 days
D. 20-30 days
Answer» B. 80-90 days
27.

A gas can be liquefied by

A. lowering the temperature
B. increasing the temperature
C. increasing the pressure
D. increasing the pressure and lowering the temperature
Answer» E.
28.

Soda bottles are made of thick glass so that they can withstand the

A. pressure in summer
B. temperature in summer
C. decrease in viscosity
D. increase in potential energy
Answer» B. temperature in summer
29.

In the absence of his tone proteins in prokaryotes, the an ioinic charges of each inter nucleotide phosphate in DNA is neutralized by

A. phospholipids
B. polyamines
C. polysaccharides
D. glycelipids
Answer» C. polysaccharides
30.

Potential energy of the bob is maximum

A. at the mean position
B. at the extreme position
C. between the mean position and extreme positions
D. none of these
Answer» C. between the mean position and extreme positions
31.

The frequency of a wave is 5 Hz. It refers to (type of wave)

A. ultrasonics
B. microwaves
C. infrasonics
D. radio waves
Answer» D. radio waves
32.

Sound waves in air are _____ waves.

A. longitudinal
B. radio
C. transverse
D. electromagnetic
Answer» B. radio
33.

In which of the following media will sound travel the fastest?

A. solid
B. both solid and liquid
C. liquid
D. gas
Answer» B. both solid and liquid
34.

The audible range of frequency is

A. 20 Hz to 20,000 Hz
B. 40 Hz to 40,000 Hz
C. 60 Hz to 60,000 Hz
D. 10 Hz to 20,000 Hz
Answer» B. 40 Hz to 40,000 Hz
35.

The life span of human WBC is normally

A. 12 13 days
B. 80-90 days
C. 100-120 days
D. 20-30 days
Answer» B. 80-90 days
36.

The only elements having no neutron is

A. protium
B. deuterium
C. tritium
D. All of these
Answer» B. deuterium
37.

Long-sightedness is caused by the eyeball being too short. It can be corrected by the use of a

A. convergent lens
B. plane mirror
C. divergent lens
D. none of these
Answer» B. plane mirror
38.

Tidal volume of air in a normal healthy man during inspiration is about

A. 300 400 ml
B. 500 700 ml
C. 900 1000 ml
D. 100 250 ml
Answer» C. 900 1000 ml
39.

The electronic configuration of chlorine with atomic number 17 is

A. 2, 8, 7
B. 2, 9, 6
C. 2, 10, 7
D. 2, 9, 9
Answer» B. 2, 9, 6
40.

Man made synthetic fibre is

A. wool
B. rayon
C. nylon
D. cotton
Answer» D. cotton
41.

Volume of air inspired and expired with each normal breath is called

A. tidal volume
B. inspiratory capacity
C. total lung capacity
D. residual volume
Answer» B. inspiratory capacity
42.

The maximum possible volume of air, which can be inspiration, is called as

A. tidal air volume
B. vital lung capacity
C. complemental air volume
D. total lung capacity
Answer» C. complemental air volume
43.

Out of the following, which frequency is not clearly audible to the human ear?

A. 30 Hz
B. 30,000 Hz
C. 300 Hz
D. 3000 Hz
Answer» C. 300 Hz
44.

Sebaceous glands are found in

A. dermis of skin of mammals
B. epithelium of intestine of frog
C. epithelium of stomach of frog
D. epidermis of skin mammals
Answer» B. epithelium of intestine of frog
45.

Largest part of the brain of human being is called

A. olfactory lobe
B. cerebral hemisphere
C. corpus callosum
D. optic nerve
Answer» C. corpus callosum
46.

Which of the following frequencies of sound cannot be heard by human beings?

A. 5 Hz
B. 20 Hz
C. 400 Hz
D. 1000 Hz
Answer» B. 20 Hz
47.

Which part of human brain is more developed in comparison to others?

A. Cerebrum
B. Cerebellum
C. Optic lobes
D. Medulla oblongata
Answer» B. Cerebellum
48.

A divalent cation has 10 electrons and 12 neutrons. The atomic number and mass number of the elements are

A. 12, 24
B. 10, 12
C. 11, 25
D. 8, 12
Answer» B. 10, 12
49.

Percentage of O2 present in inhaled air in man is about

A. 21%
B. 78%
C. 1%
D. 43%
Answer» B. 78%
50.

The largest number of cells bodies of neurons in our body is found in

A. brain
B. spinal cord
C. tongue
D. retina
Answer» B. spinal cord