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 specialized cells that carry nerve impulse from coordinators to effectors are called

A. papillary nerves
B. pulmonary nerves
C. neurons
D. nephrons
Answer» D. nephrons
2.

Intermediate neurons are found within the

A. Central Nervous System (CNS)
B. Peripheral Nervous System (PNS)
C. Superior Nervous System (SNS)
D. Inferior Nervous System (INS)
Answer» B. Peripheral Nervous System (PNS)
3.

The jelly-like fluid present in the posterior chamber is called

A. aqueous humor
B. optic humor
C. spot humor
D. vitreous humor
Answer» E.
4.

In honeycomb, the eggs fertilized by the male bees turned into

A. haploid females
B. haploid males
C. diploid females
D. diploid males
Answer» D. diploid males
5.

An inner whorl of the flower after Calyx is called

A. corolla
B. petal
C. sepal
D. carpel
Answer» B. petal
6.

In gametogenesis, the meiosis is undergone on diploid gamete-mother cells to form

A. diploid egg cells
B. haploid egg cells
C. haploid gametes
D. diploid gametes
Answer» D. diploid gametes
7.

Seminiferous tubules are present within

A. ovaries
B. scrotum
C. testis
D. epididymis
Answer» D. epididymis
8.

The micropyle is used by the seed for

A. food
B. protection
C. minerals
D. absorption of water
Answer» E.
9.

The principles of pinhole camera are described by

A. Ibn Sina
B. Al Beruni
C. Ibn al-Haithem
D. Ali ibn Isa
Answer» D. Ali ibn Isa
10.

Patients of epilepsy have to take medicines

A. monthly
B. yearly
C. hourly
D. daily
Answer» E.
11.

The wax and hairs in the auditory canal protect from

A. pollution
B. air
C. small insects
D. light
Answer» D. light
12.

Clusters of neuron cell bodies outside CNS are called

A. axons
B. ganglia
C. nerves
D. dendrites
Answer» C. nerves
13.

There is only one axon and many dendrites in

A. motor neurons
B. sensory neurons
C. rotator neurons
D. saltatory neurons
Answer» B. sensory neurons
14.

In the human body, the human immune deficiency (HIV) virus destroys

A. lymphocytes
B. serum
C. white blood cells
D. red blood cells
Answer» D. red blood cells
15.

Color of the calyx is usually

A. pink
B. red
C. white
D. green
Answer» E.
16.

Fusion nucleus is present in

A. male gametophyte
B. female gametophyte
C. ovary
D. testes
Answer» C. ovary
17.

In plants, the egg cell is considered as

A. male gametophyte generation
B. male sporophyte generation
C. female gametophyte generation
D. female sporophyte generation
Answer» D. female sporophyte generation
18.

The method of sexual reproduction involves

A. gametes
B. shoots and stems
C. roots and stems
D. shoots and leaves
Answer» B. shoots and stems
19.

The fluid in the central canal and ventricles is classified as

A. saltatory
B. cerebrospinal
C. cranium
D. myelin
Answer» C. cranium
20.

The secretion of hormones is maintained in the human body by

A. feedback mechanism
B. insulin administration
C. osmosis
D. cellular respiration
Answer» B. insulin administration
21.

In the middle part of the human ear, the membrane to which stapes is connected is called

A. oval window
B. Eustachian window
C. malleus window
D. stapes window
Answer» B. Eustachian window
22.

In the human peripheral nervous system, the pairs of spinal nerves are

A. 30
B. 31
C. 12
D. 15
Answer» C. 12
23.

Antidiuretic hormone (ADH) is secreted by the pituitary gland

A. anterior lobe
B. posterior lobe
C. median lobe
D. upper lobe
Answer» C. median lobe
24.

The types of symbiosis do not include

A. mutualism
B. symbiosis
C. commensalism
D. predation
Answer» E.
25.

All viruses are permanent

A. host
B. scavengers
C. predators
D. parasites
Answer» E.
26.

The interrelationship between the environment and organisms is called

A. ecology
B. geology
C. biotic community
D. abiotic community
Answer» B. geology
27.

The animals that are fed on plants are classified as

A. secondary producers
B. herbivores
C. carnivores
D. omnivores
Answer» C. carnivores
28.

The global warming remains the heat within the earth atmosphere and increase

A. humidity
B. water level
C. temperature
D. air velocity
Answer» D. air velocity
29.

The three small movable bones in the middle ear present in a chain are called

A. ear stapes window
B. ear ossicles
C. ear eustachian
D. ear vestibule tube
Answer» C. ear eustachian
30.

Nerve impulses in the optic disc are generated by

A. retina
B. rods and cones
C. nerve cells
D. fovea
Answer» C. nerve cells
31.

Activities like migration in birds are controlled by

A. neurons
B. muscles
C. hormones
D. brain
Answer» D. brain
32.

Cones are sensitive to which of the following?

A. bright light
B. dim light
C. dark light
D. red light
Answer» B. dim light
33.

Which of the following carry sensory information from receptors to coordinators?

A. inter neurons
B. sensory neurons
C. motor neurons
D. axons
Answer» C. motor neurons
34.

Rods are sensitive to which type of light?

A. dim
B. bright
C. dark
D. red
Answer» B. bright
35.

The types of feedback mechanism are

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
36.

Which of the following layers of the eye is sensory?

A. outer layer
B. middle layer
C. inner layer
D. outer most layer
Answer» D. outer most layer
37.

The lobes of the cerebral cortex include

A. occipital lobe
B. frontal lobe
C. temporal lobe
D. all of above
Answer» E.
38.

The shortest way by which impulses travel from the receptor to the effector is called

A. synapse
B. reflex action
C. reflex arc
D. voluntary response
Answer» D. voluntary response
39.

Which of the following is attached to an eardrum?

A. malleus
B. incus
C. stapes
D. inner ear
Answer» B. incus
40.

The smallest bone of the human body is

A. malleus
B. incus
C. stapes
D. stapes
Answer» E.
41.

Eyes, ears, nose, taste buds, touch, heat and cold are

A. small receptors
B. big receptors
C. ordinary receptors
D. main receptors
Answer» E.
42.

In females, the progesterone and estrogen hormone is secreted by

A. ovaries
B. testes
C. pancreas
D. kidneys
Answer» B. testes
43.

The plants that are reproduced by the method of bulbs are

A. onions and lilies
B. garlic and onion
C. potato and onion
D. potato and yams
Answer» B. garlic and onion
44.

The types of pollination include

A. cross pollination only
B. self pollination only
C. self fertilization
D. cross and self pollination
Answer» E.
45.

Considering the oogenesis, the larger cell produced by primary oocytes is called

A. second polar body
B. secondary oocyte
C. territory oocyte
D. first polar body
Answer» C. territory oocyte
46.

The part of the embryo of seed which develops into a new shoot is known as

A. Plumule
B. epicotyls
C. hypocotyls
D. radicle
Answer» B. epicotyls
47.

The structure in the male reproductive system of rabbit which releases nutritious secretions for sperms is called

A. Cowper's vesicles
B. seminal vesicles
C. spermatogonia vesicles
D. prostate vesicles
Answer» C. spermatogonia vesicles
48.

Breathing, heart rate, and blood pressure are controlled by

A. medulla oblongata
B. cerebellum
C. pons
D. hindbrain
Answer» B. cerebellum
49.

The deficiency of somatotropin hormone in growth years causes a decrease in growth called

A. vasopressin
B. acromegaly
C. dwarfism
D. gigantism
Answer» D. gigantism
50.

The lens becomes more round and convex when the

A. suspensor ligaments expands
B. suspensor ligament contracts
C. ciliary muscles contract
D. ciliary muscles expand
Answer» D. ciliary muscles expand