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.

An oval window that separates the middle ear is a

A. gland
B. membrane
C. flap
D. hormone
Answer» C. flap
2.

Cerebrospinal fluid is the fluid within

A. cerebrum
B. cerebellum
C. spinal cord
D. ventricles and central canal
Answer» E.
3.

The thin membrane separates the external ear from the middle ear

A. pinna
B. cochlea
C. retina
D. ear drum
Answer» E.
4.

The point where there are no rods and cones is called

A. white spot
B. blind spot
C. color spot
D. dark spot
Answer» C. color spot
5.

The function of meninges is to protect

A. lungs
B. liver
C. heart
D. brain
Answer» E.
6.

Male reproductive part of the flower is called

A. calyx
B. corolla
C. androecium
D. gynoecium
Answer» D. gynoecium
7.

Pollination and fertilization in flowers was described by

A. Aristotle
B. Plato
C. Theophrastus
D. none of above
Answer» D. none of above
8.

The method in which vegetative cells or tissues are used to produce identical offspring from the single parent is called

A. shoots culture
B. nodes culture
C. tube culture
D. tissue culture
Answer» E.
9.

In rhizomes, the lower surface is responsible for the production of

A. adventitious shoots
B. adventitious buds
C. adventitious roots
D. adventitious stems
Answer» D. adventitious stems
10.

Considering the sexual reproduction in flowering petals, the birds and bees are classified as agents of

A. reproduction
B. cloning
C. grafting
D. pollination
Answer» E.
11.

The persons suffering from chronic bronchitis at the age

A. 42
B. 44
C. 43
D. 45
Answer» E.
12.

The voice box leads to the trachea which is also known as

A. windpipe
B. alveoli pipe
C. glottis pipe
D. pharynx pipe
Answer» B. alveoli pipe
13.

The process of intake of oxygen and release of carbon dioxide is classified as

A. gaseous exchange
B. respiratory exchange
C. cellular respiration
D. osmosis
Answer» B. respiratory exchange
14.

The respiratory disorder in which the walls of alveoli is destructed is called

A. asthma
B. emphysema
C. bronchitis
D. pneumonia
Answer» C. bronchitis
15.

The respiratory disorder in which cells division takes place without any control and causes tumors is called

A. emphysema
B. lung cancer
C. bronchi cancer
D. bronchioles cancer
Answer» C. bronchi cancer
16.

In a coordinated action, the action performed by effectors after receiving a message from coordinators is classified as

A. endocrine coordination
B. response
C. nerve impulse
D. spinal coordination
Answer» C. nerve impulse
17.

A round hole called pupil present in the center of

A. choroid
B. cornea
C. iris
D. sclera
Answer» D. sclera
18.

The deficiency of vitamin A in the human body leads to poor

A. day vision
B. color recognition
C. night vision
D. depth recognition
Answer» D. depth recognition
19.

The peripheral nervous system consists of

A. brain
B. nerves
C. spinal cord
D. glands
Answer» C. spinal cord
20.

In the disorders of the eyes, the myopia is caused by

A. elongation of eyeball
B. shortness of eyeball
C. shrinkage of iodopsin
D. shrinkage of rhodopsin
Answer» B. shortness of eyeball
21.

The special cells, organs, and tissues in the body that detects different stimulus are classified as

A. stimuli
B. receptors
C. coordinators
D. effectors
Answer» C. coordinators
22.

Under-production of thyroxin causes

A. hypothyroidism
B. hyperthyroidism
C. goitre
D. acromegaly
Answer» B. hyperthyroidism
23.

The part of the inner ear which is made up of three ducts and is wrapped into the coiled tube is called

A. stapes
B. cochlea
C. pinna
D. malleus and incus
Answer» C. pinna
24.

When ciliary muscles are relaxed, the lens becomes

A. more convex
B. less convex
C. round
D. remains same
Answer» C. round
25.

Brain tumors most likely to cause epilepsy in people at the age

A. over 40
B. 40
C. over 50
D. 50
Answer» B. 40
26.

Disorders caused due to any disturbance in the blood supply to the nervous system are called

A. blood disorder
B. blood vessel disorder
C. nervous disorder
D. vascular disorder
Answer» E.
27.

Considering the lobes of the cerebral cortex, the lobe which is responsible for receiving impulses from the skin is called

A. temporal lobe
B. parietal lobe
C. frontal lobe
D. occipital lobe
Answer» C. frontal lobe
28.

The regulation of reproduction, growth, the concentration of glucose in blood and reabsorption of water are all the tasks carried by

A. endocrine glands
B. semicircular glands
C. rhodopsin glands
D. iodopsin glands
Answer» B. semicircular glands
29.

In interneurons, the number of dendrites and axons are

A. two
B. many
C. three
D. four
Answer» C. three
30.

Gout generally attacks

A. hip joint
B. neck joint
C. shoulder joint
D. toe joint
Answer» E.
31.

The inner part of the bone which is porous and soft is called

A. spongy bones
B. compact bones
C. connecting bones
D. protective bones
Answer» B. compact bones
32.

How many bones are present in the legs?

A. 2
B. 4
C. 6
D. 8
Answer» D. 8
33.

The examples of fixed joints are the joints between the

A. ear ossicles
B. invertebral discs
C. vertebrae
D. skull bones
Answer» E.
34.

The muscle that contracts and bends the joint is called

A. flexor muscle
B. bending muscle
C. extensor muscle
D. skeletal muscle
Answer» B. bending muscle
35.

The ultraviolet rays in the radiations of the sun are absorbed by

A. troposphere
B. thermosphere
C. stratosphere
D. ozone
Answer» E.
36.

The ecological pyramid concept was proposed by Charles Elton in

A. 1927
B. 1930
C. 1935
D. 1938
Answer» B. 1930
37.

The excess burning of fossil fuels leads to increased carbon dioxide which results in

A. greenhouse effect only
B. global warming only
C. acidic rain
D. green house effect and global warming
Answer» E.
38.

The organisms who kills, attacks and feeds others are called

A. prey
B. predators
C. assimilators
D. competitors
Answer» C. assimilators
39.

Nitrogen fixation is the conversion of nitrogen gas to

A. nitrates
B. nitrites
C. nitric acid
D. nitric oxide
Answer» B. nitrites
40.

The dip in the retina which is packed with the cone cells and is located opposite to the lens is called

A. cornea disc
B. choroid disc
C. optical disc
D. fovea
Answer» E.
41.

The Pons which is part of the medulla of hindbrain coordinates

A. controls emotions and thinking
B. controls rage and pain
C. controls vomiting and coughing
D. breathing
Answer» E.
42.

The fatty layer secreted by Schwann cells is classified as

A. malign coating
B. Schwann coating
C. ranvier sheath
D. myelin sheath
Answer» E.
43.

The forebrain is highly developed in

A. humans
B. birds
C. animals
D. reptiles
Answer» E.
44.

In bright light, pupil

A. dilates
B. constricts
C. remains same
D. none of above
Answer» C. remains same
45.

In the human body, the largest endocrine gland is called

A. parathyroid gland
B. thyroid gland
C. pituitary gland
D. adrenal gland
Answer» C. pituitary gland
46.

The broad external part of the ear that directs sound waves in the auditory canal is called

A. ear drum
B. pinna
C. vestibule
D. cochlea
Answer» C. vestibule
47.

In the cerebral cortex, the myelinated axons are present in

A. pink matter
B. purple matter
C. white matter
D. grey matter
Answer» D. grey matter
48.

The fluid contained by the anterior chamber of the eye is called

A. aqueous humor
B. vitreous humor
C. tears
D. macula
Answer» B. vitreous humor
49.

Vitreous humor maintains the eye

A. colour
B. length
C. shape
D. diameter
Answer» D. diameter
50.

The process of gametes formation is called

A. primary oogonia
B. gametogenesis
C. cogenesis
D. spermatogenesis
Answer» C. cogenesis