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 branch of physics which deals with the study of fluids in motion is called

A. dynamics
B. hydrostatics
C. hydrodynamics
D. none of these
Answer» D. none of these
2.

The physical state of water at 100 C is

A. solid
B. liquid
C. gas
D. plasma
Answer» D. plasma
3.

Which of the following is not a chemical reaction?

A. Souring of milk
B. Rusting of iron
C. Dissolution of sugar in water
D. Digestion of food in our body
Answer» D. Digestion of food in our body
4.

Which one of the following is not correct about cathode rays?

A. They are deflected to the positive plate of electromagnetic field
B. The nature of cathode rays does not depend upon the nature of gas taken in the discharge tube
C. The nature of cathode rays depends upon the nature of gas taken in the discharge tube
D. Cathode rays are made up of material particles
Answer» D. Cathode rays are made up of material particles
5.

Which one of the following statements is not correct?

A. All metals are solid at room temperature
B. All metals are good conductor of heat and electricity
C. All metals from basic oxides
D. All metals possess luster when freshly prepared
Answer» B. All metals are good conductor of heat and electricity
6.

Which of the following is not an endocrine gland?

A. Salivary gland
B. Pituitary gland
C. Thyroid gland
D. Adrenal gland
Answer» B. Pituitary gland
7.

In case of uniform circular motion, which of the following physical quantity do not remain constant?

A. Speed
B. Momentum
C. Kinetic energy
D. Mass
Answer» C. Kinetic energy
8.

Typical lub-dub sound heard in heartbeat are due to

A. closing of bicuspid and tricuspid valves
B. closing of semilunar valves
C. closure of bicuspid-tricuspid valves followed by semilunar valves
D. blood under pressure through aorta
Answer» D. blood under pressure through aorta
9.

Waves produced by supersonic jet planes are

A. shock waves
B. seismic waves
C. infrasonics
D. none of these
Answer» B. seismic waves
10.

Who first proposed that light was wave-like in character?

A. Huygens
B. Newton
C. Young
D. Maxwell
Answer» B. Newton
11.

A pulse is a wave

A. of high duration
B. of short duration
C. which travels in vacuum only
D. which travels in solids only
Answer» C. which travels in vacuum only
12.

Phagocytosis and pinocytosis are collectively termed as

A. endocytosis
B. suspension feeding
C. omnivores
D. mucous trap
Answer» B. suspension feeding
13.

The most essential organ for fertilization is

A. juicy fruit
B. green sepals
C. coloured petals
D. mature ovule
Answer» E.
14.

A boat full of iron nails is floating on water in a lake. When the iron nails are removed, the water level

A. rises
B. falls
C. remains the same
D. nothing can be said
Answer» C. remains the same
15.

One of the most resistant known biological material is

A. lignin
B. hemicelluloses
C. sporopollenin
D. lignocelluloses
Answer» D. lignocelluloses
16.

A body which allows most of the light to pass through it is called a

A. transparent body
B. opaque body
C. translucent body
D. none of these
Answer» B. opaque body
17.

Work done upon a body is

A. a vector quantity
B. a scalar quantity
C. always positive
D. always negative
Answer» C. always positive
18.

The narrowest and most numerous tubes of lungs are termed as

A. bronchus
B. alveoli
C. bronchioles
D. hilum
Answer» D. hilum
19.

The light which refracts most while passing through a prism is

A. red
B. violet
C. indigo
D. yellow
Answer» C. indigo
20.

Ohm s law is true

A. for gases at low temperature
B. for metallic conductor
C. for electrolytes when current passes through them
D. for diode when current flows
Answer» C. for electrolytes when current passes through them
21.

The middle vascular coat that darkens the eye chamber and prevents refraction by absorbing the light rays is

A. choroid
B. sclera
C. retina
D. cornea
Answer» B. sclera
22.

Two rods of same material and length have their electric resistance to ratio 1 : 2. When both rods are dipped in water, the correct statement will be

A. A has more loss of weight
B. B has more loss of weight
C. Both have same loss of weight
D. Loss of weight will be in the ratio 1 : 2
Answer» D. Loss of weight will be in the ratio 1 : 2
23.

A rider on horse back falls when horse starts running all of a sudden because

A. rider is taken back
B. rider is suddenly afraid of falling
C. inertia of rest keeps the upper part of body at rest whereas lower part of the body moves forward with the horse
D. None of the above
Answer» D. None of the above
24.

The upward force acting on the body immersed in a fluid is called

A. hydrostatic pressure
B. buoyant force
C. true weight
D. net force
Answer» C. true weight
25.

The law which defines force is

A. Newton s third law of motion
B. Newton s first law of motion
C. Newton s second law of motion
D. Newton s law of gravitation
Answer» C. Newton s second law of motion
26.

The buoyant force depends on

A. depth of a liquid
B. colour of a liquid
C. density of liquid
D. none of these
Answer» D. none of these
27.

A particle is projected up with an initial velocity of 80 ft/s. The ball will attain height of 96 ft/s from the ground after

A. 2.0 and 3.0 s
B. Only at 3.0s
C. Only at 2.0 s
D. After 1 and 2 s
Answer» B. Only at 3.0s
28.

The process of the escape of liquid from the tip of uninjured leaf or through hydathodes is called

A. transpiration
B. guttation
C. evapo-transpiration
D. evaporation
Answer» C. evapo-transpiration
29.

Seeds are called the products of sexual reproduction due to

A. it gives rise to new plants
B. formation by fusion of pollen tubes
C. it can survive for longer periods
D. are formed by fusion of gametes
Answer» E.
30.

Evaporation of liquid occur at

A. boiling point
B. fixed temperature lower than the boiling point
C. all temperature
D. None of the above
Answer» D. None of the above
31.

The eye lens contains a watery liquid called the

A. aqueous humour
B. peroxide
C. vitreous humour
D. none of these
Answer» B. peroxide
32.

The mirror used in automobiles to see the rear field of view is

A. concave
B. convex
C. plane
D. none of these
Answer» C. plane
33.

Oxygenated blood is carried by

A. pulmonary vein
B. pulmonary artery
C. hepatic portal vein
D. renal vein
Answer» B. pulmonary artery
34.

Oxygenated bold is carried by

A. pulmonary vein
B. pulmonary artery
C. hepatic portal vein
D. renal vein
Answer» B. pulmonary artery
35.

Oxygen is transported in blood mainly by

A. leucocytes
B. erythrocytes
C. thromobocytes
D. blood plasma
Answer» C. thromobocytes
36.

In a closed circulatory system, blood is completely enclosed within

A. the skeleton
B. sinuses
C. vessels
D. hearts
Answer» D. hearts
37.

The exchange of gases in a mammal takes place is

A. trachea
B. bronchioles
C. bronchi
D. alveoli
Answer» E.
38.

When the right ventricle of heart contracts, the blood goes to

A. all parts of the body
B. Pulmonary arteries
C. aorta
D. lungs
Answer» E.
39.

In mammals, oxygenated blood enters the heart at the

A. right atrium
B. left atrium
C. right ventricle
D. left ventricle
Answer» C. right ventricle
40.

When the light is very bright,

A. the iris makes the pupil expand
B. the iris makes the pupil contract
C. the iris and the pupil remain as they are
D. none of these
Answer» C. the iris and the pupil remain as they are
41.

Which one of the following is called pacemaker of the heart?

A. SA node
B. AV node
C. Chordae tendinae
D. AV septum
Answer» B. AV node
42.

Which one of the following crop doesn t required more nitrogen fertilizers?

A. Maize
B. Paddy
C. Clover (Berseem)
D. Sugarcane
Answer» D. Sugarcane
43.

Hearing is controlled by

A. tyemporal lobes
B. cerebrum
C. hypothalamus
D. parietal lobe
Answer» D. parietal lobe
44.

During the 19th century, light was considered to be a stream of particles called

A. atoms
B. electrons
C. corpuscles
D. quantas
Answer» D. quantas
45.

Which one is used for weeding?

A. Insecticides
B. Weedicides
C. Herbicides
D. Pesticides
Answer» C. Herbicides
46.

The covering of lungs is called

A. pericardium
B. pleural membrane
C. perichondrium
D. peritoneum
Answer» C. perichondrium
47.

The amount of light entering the eye is controlled by the

A. sclera
B. cornea
C. iris
D. crystalline lens
Answer» D. crystalline lens
48.

The screen behind the eye lens is called the

A. iris
B. ciliary muscle
C. retina
D. pupil
Answer» D. pupil
49.

A lens which is thicker in the middles and thinner at the edges is called a _____ lens.

A. convex
B. concave
C. cylindrical
D. none of these
Answer» B. concave
50.

A lens which is thinner at the middles and thicker at the edges is called a _____ lens.

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