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.

Packets of light energy are called as

A. photons
B. peptones
C. none of these
D. peptides
Answer» B. peptones
2.

In adults, hypothyroidism results in

A. excess sleep
B. less appetite
C. hyperactivity
D. feelings of sluggishness
Answer» E.
3.

Postum is a replacement of

A. caffeine
B. nicotine
C. penicillin
D. alcohol
Answer» B. nicotine
4.

Each hypha is divided into

A. few cells
B. many cells
C. XX
D. no cell
Answer» E.
5.

In adverse conditions, bacteria

A. start copying the DNA
B. start dividing
C. all of these
D. form a thick walled spore
Answer» E.
6.

Use of fossil fuels causes

A. conservation of resources
B. pollution
C. XX
D. XX
Answer» C. XX
7.

Vitamin D can also be called as

A. calciferol
B. ascorbic acid
C. both of these
D. none of these
Answer» B. ascorbic acid
8.

Skin gets its characteristic color due to

A. cornified layer
B. dermis
C. malpighian layer
D. granular layer
Answer» D. granular layer
9.

Condensation of glucose molecules results in

A. cellulose
B. starch
C. both of these
D. none of these
Answer» D. none of these
10.

Chitin is a form of

A. complex DNA
B. complex peptone
C. complex carbohydrates
D. complex plasmids
Answer» D. complex plasmids
11.

In order to increase the rate of reaction,

A. the limiting factor shall decrease
B. the limiting factor shall increase
C. none of these
D. the substrate concentration shall be increased
Answer» B. the limiting factor shall increase
12.

The purpose of the cooling jacket is to

A. help in easy cleansing of culture medium
B. prevent heavy financial losses
C. help in utilizing unproductive time
D. help in easy cleaning of culture medium
Answer» B. prevent heavy financial losses
13.

Garlic is an example of

A. corm
B. Rhizome
C. bulb
D. stem tuber
Answer» D. stem tuber
14.

Due to osmotic problems in freshwater bony fish, kidneys

A. have to reabsorb water
B. have to produce concentrated urine
C. XX
D. have to produce dilute urine
Answer» E.
15.

Biosensors contains

A. metal sensing devices
B. immobilized enzymes
C. a bar code sensing device
D. mobilized enzymes
Answer» C. a bar code sensing device
16.

During respiration, the carbon dioxide is

A. released in the environment
B. produced
C. XX
D. XX
Answer» B. produced
17.

In order to digest polypeptides, they are converted into

A. fiber
B. glucose
C. polypeptides
D. amino acids
Answer» E.
18.

Vitamin D can be created from a natural substance under the skin called as

A. Ergosterol
B. Estrogen
C. pernicious
D. pellagra
Answer» B. Estrogen
19.

During photosynthesis, enzymes play a part in

A. light independent stage
B. light dependent stage
C. none of these
D. both of these
Answer» B. light dependent stage
20.

Nectar secreted by the Clitoria can be reached through the

A. female part (gynoecium)
B. petals
C. at the base of the male part (androecium)
D. stigma only
Answer» D. stigma only
21.

During breathing

A. larynx is lowered and the windpipe is opened
B. larynx is lowered, glottis is open
C. larynx is raised and pharynx is shut
D. larynx is raised and epiglottis blocks glottis
Answer» C. larynx is raised and pharynx is shut
22.

Ovary, style and stigma form the

A. corolla of the flower
B. calyx of the flower
C. XX
D. carpel of the flower
Answer» E.
23.

Oxidation does not involve

A. addition of oxygen
B. gain of electrons
C. gain of energy
D. loss of hydrogen
Answer» C. gain of energy
24.

The higher the light wavelength, the

A. lesser the energy of a photon
B. more the energy of a photon
C. none of these
D. energy of photon depends upon the weather
Answer» B. more the energy of a photon
25.

Anemia is caused due to

A. deficiency of starch
B. deficiency of proteins
C. over-nutrition
D. deficiency of iron
Answer» E.
26.

Processed foods generally lack

A. minerals
B. fiber
C. vitamins
D. starch
Answer» D. starch
27.

The functions of the adrenaline includes

A. pupil dilation
B. high metabolic rate
C. all of these
D. fast heart rate
Answer» D. fast heart rate
28.

The sweat glands become less active if

A. heat gain center of hypothalamus is activated
B. if heat loos center of hypothalamus is activated
C. none of these
D. both of these
Answer» B. if heat loos center of hypothalamus is activated
29.

Liver produces urea to remove

A. excess hydrogen peroxide
B. excess hydrogen
C. excess starch
D. excess nitrogen
Answer» E.
30.

A thin, expanded lamina helps in the absorption of

A. hydrogen
B. oxygen
C. carbon dioxide
D. fresh nutrients
Answer» D. fresh nutrients
31.

The lower flower in grass Iscaemum is

A. unisexual
B. dioecism
C. three stamens
D. bisexual
Answer» B. dioecism
32.

The function of rectus muscles is to

A. hold the eye in the depression in the skull
B. help the eye blink
C. XX
D. attach the eye to the orbit
Answer» E.
33.

Basal metabolic rate measures

A. the time lapse between eating and passing stool
B. how fast chemical reactions occur
C. number of active sites
D. number of enzymes required
Answer» C. number of active sites
34.

Red blood cells do not

A. transport oxygen
B. lack nucleus
C. produce antibodies
D. lack hemoglobin
Answer» E.
35.

Many nerve fibers bundle together to form

A. myelin sheath
B. axons
C. node of Ranvier
D. neurilemma
Answer» C. node of Ranvier
36.

More selective reabsorption of water is carried out in kidneys of

A. freshwater bony fish
B. marine boneless fish
C. all three
D. marine bony fish
Answer» B. marine boneless fish
37.

A weight reduction program shall not

A. increase water intake
B. increase protein intake
C. increase intake of leafy vegetables
D. increase intake of citrus fruits
Answer» C. increase intake of leafy vegetables
38.

When the brain is viewed from above in man, the visible part of brain is

A. Cerebral hemisphere
B. medulla oblongata
C. pituitary gland
D. cerebellum
Answer» B. medulla oblongata
39.

Nerve impulse transmitted towards the cell body is through

A. axon
B. dendrone
C. XX
D. neuron
Answer» C. XX
40.

Photolysis is known to occur only in

A. light independent stage
B. light dependent stage
C. none of these
D. oxidation reaction
Answer» C. none of these
41.

The saprophytes do not include

A. virus
B. fungi
C. all of these
D. bacteria
Answer» B. fungi
42.

In addition to palisade tissues, chloroplast is also found in

A. stoma
B. cuticle cells
C. stomata
D. spongy tissues
Answer» E.
43.

Malpighian capsule refers to the

A. mass of blood capillaries
B. renal capsule
C. both of these
D. none of these
Answer» D. none of these
44.

All are the functions of the hypothalamus but

A. regulation of anti-diuretic hormones
B. regulation of body temperature
C. regulation of blood osmotic pressure
D. regulation of sleep and emotions
Answer» B. regulation of body temperature
45.

Physical, mental abnormalities and risks of cancer are increased due to

A. BOD
B. DDT
C. Greenhouse effect
D. Dioxins
Answer» E.
46.

The technique of inserting DNA into the plants is known as

A. bio-fission
B. bio injection
C. bio diffusion
D. bio genetic
Answer» B. bio injection
47.

Homoeothermic refers to all but most

A. nursing females
B. mammals
C. invertebrates
D. hairy males
Answer» D. hairy males
48.

Bacteria

A. are in the form of pupa
B. can be seen with naked eye
C. can only be controlled through bacteriophages
D. are larger than virus
Answer» E.
49.

A simple reflex can be conditioned through

A. inborne traits
B. inheritance
C. push ups
D. some training
Answer» E.
50.

The number of chromosomes in each cell except gametes in man are

A. 28
B. 23
C. 48
D. 46
Answer» E.