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.

How many pairs of spinal nerves arise along the spinal cord?

A. 12
B. 22
C. 31
D. 41
Answer» D. 41
2.

Eyes of cats and dogs shine at night due to the presence of

A. cataract
B. optic disc
C. Tapetum
D. eye lens
Answer» D. eye lens
3.

In the human body, the bones become more brittle because of

A. decreased vitamin a level
B. increased calcium salt absorption
C. decreased calcium salt absorption
D. increased vitamin a level
Answer» C. decreased calcium salt absorption
4.

In the iris, the round hole present in it is called

A. choroid
B. pupil
C. iris
D. cornea
Answer» C. iris
5.

The largest endocrine gland in humans is

A. adrenal
B. thyroid
C. pituitary
D. vasopressin
Answer» C. pituitary
6.

The dark color is given to the inner eye by

A. choroid
B. cornea
C. retina
D. cornea
Answer» B. cornea
7.

The blind spot is so-called due to the absence of

A. rods
B. cones
C. rods and cones
D. retina
Answer» D. retina
8.

The liquid used to prevent infection by applying it on bruises and cuts is called

A. tincture of glycerol
B. tincture of glycerin and iodine
C. tincture of silver nitrate
D. tincture of iodine
Answer» E.
9.

The narcotics that are derived from opium are

A. codeine and morphine
B. morphine and endorphin
C. tetracycline and morphine
D. Panadol and codeine
Answer» B. morphine and endorphin
10.

The antibiotic penicillin was discovered by

A. joseph
B. alexander
C. Wilmoth
D. pasture
Answer» C. Wilmoth
11.

Diazepam is an example of

A. vaccines
B. sedatives
C. antibiotics
D. analgesics
Answer» C. antibiotics
12.

Which of the following is made from the leaves of foxglove?

A. digitalis
B. morphine
C. streptomycin
D. aspirin
Answer» B. morphine
13.

Semen contains 10 percent sperms and 90 percent

A. salts
B. sugar
C. fluid
D. ions
Answer» D. ions
14.

The color of the calyx is

A. green
B. brown
C. yellow
D. mustard
Answer» B. brown
15.

The main aim of Pakistan's federal minister is the reduction of

A. Human Immunodeficiency Virus (HIV)
B. acquired immunodeficiency syndrome (AIDS)
C. Tuberculosis
D. Sexually Transmitted Diseases (STDS)
Answer» E.
16.

Fish and amphibians show fertilization that is

A. internal
B. external
C. complete
D. incomplete
Answer» C. complete
17.

The water, birds, bees, winds and other animals are all the agents of

A. self pollination
B. nuclei pollination
C. ovule pollination
D. cross pollination
Answer» E.
18.

Genetic engineering can be used to cure

A. stomach ulcer
B. brain cancer
C. thalassemia
D. tuberculosis
Answer» D. tuberculosis
19.

What type of process fermentation is?

A. continuous process
B. discontinuous process
C. long process
D. difficult process
Answer» C. long process
20.

The substrate used by microorganisms to produce single-cell proteins includes

A. methane gas
B. industrial wastes
C. agricultural wastes
D. all of above
Answer» E.
21.

Acrylic acid is produced by using

A. aspergillus
B. bacillus
C. saccharomyces
D. bacteria
Answer» C. saccharomyces
22.

Anti-viral proteins produced by cells infected with viruses are called

A. urokinase
B. hemophilia
C. interferons
D. antibiotics
Answer» D. antibiotics
23.

The end of the muscle which is attached to some movable bone is called

A. insertion
B. extensor
C. antagonist
D. origin
Answer» B. extensor
24.

The cartilage which is less flexible because of the presence of thick collagen fibers and is very tough is called

A. fibrous cartilage
B. inelastic cartilage
C. hyaline cartilage
D. elastic cartilage
Answer» B. inelastic cartilage
25.

Inflammation in joints is called

A. arthritis
B. osteoporosis
C. joint inflammation
D. none of above
Answer» B. osteoporosis
26.

The number of facial bones in the human body skeleton is

A. 10 bones
B. 12 bones
C. 14 bones
D. 15 bones
Answer» D. 15 bones
27.

In appendicular skeleton, the 54 bones together composed the structure of

A. hands only
B. feet only
C. legs
D. hands and feet
Answer» E.
28.

All are true about muscles, but that they can

A. pull
B. contract
C. relax
D. push
Answer» E.
29.

The joints in the human body that allows no movement is called

A. ball-and-socket joints
B. moveable joints
C. slightly moveable joints
D. immoveable joints
Answer» E.
30.

Joints between the skull bones are called

A. slightly moveable joints
B. fixed joints
C. ball and socket joints
D. moveable joints
Answer» C. ball and socket joints
31.

Bones and cartilages are made of

A. dead cells
B. white blood cells
C. red blood cells
D. living cells
Answer» E.
32.

The phenomena in which one muscle contracts while the other muscle relaxes is called

A. extremism
B. extensism
C. protagonist
D. antagonism
Answer» E.
33.

The forests clearing by the humans or natural causes are classified as

A. urbanization
B. localization
C. deforestation
D. replantation
Answer» D. replantation
34.

The floating photosynthetic organisms are considered as main producers in

A. chemical ecosystem
B. mechanical ecosystem
C. terrestrial ecosystem
D. aquatic ecosystem
Answer» E.
35.

The organisms that are capable to synthesize organic compounds into simple raw materials are called

A. tertiary consumers
B. producers
C. primary consumers
D. secondary consumers
Answer» C. primary consumers
36.

The representation of the total number of individuals for per unit area at different trophic levels graphically is classified as

A. pyramid of numbers
B. pyramid of primary consumers
C. pyramid of biomass
D. pyramid of decomposers
Answer» B. pyramid of primary consumers
37.

The organisms form the basis of ecosystem

A. producer
B. consumer
C. decomposer
D. biotic components
Answer» B. consumer
38.

What is the term used for a genotype in which the gene pair contains two identical alleles?

A. homozygous genotype
B. heterozygous genotype
C. heterozygous phenotype
D. homozygous phenotype
Answer» B. heterozygous genotype
39.

The Gregor Mendel was a priest in

A. Copenhagen
B. Austria
C. Australia
D. Denmark
Answer» C. Australia
40.

The types of genotype include

A. homozygous genotype only
B. heterozygous genotype only
C. nucleosomes genotype
D. homozygous and heterozygous genotype
Answer» E.
41.

ABO blood group is controlled by gene

A. M
B. N
C. I
D. AB
Answer» D. AB
42.

The book of Charles Darwin "On the Origin of Species " was published in

A. 1868
B. 1859
C. 1862
D. 1864
Answer» C. 1862
43.

The ciliary muscles to which lens of the eye is attached with the help of the ring of suspensor

A. sclera
B. ligament
C. muscles
D. choroid
Answer» C. muscles
44.

The eardrum is also called

A. tympanum
B. pinna
C. auditory canal
D. vestibule
Answer» B. pinna
45.

When ciliary muscles contract, the lens becomes

A. more convex
B. less convex
C. flat
D. remains same
Answer» B. less convex
46.

In the autonomic nervous system, the system which promotes digestion slows the breathing rate and heartbeat is called

A. sympathetic nervous system
B. prosympathetic nervous system
C. parasympathetic nervous system
D. none of above
Answer» D. none of above
47.

The somatic nervous system is responsible for

A. voluntary actions
B. involuntary actions
C. "fight or flight" response
D. do or die response
Answer» B. involuntary actions
48.

Temperature and dampness of auditory canal is maintained by

A. special fluid
B. pinna
C. tympanum
D. wax and hair
Answer» E.
49.

Nodes of Ranvier are present between the areas of myelin on an

A. dendrite
B. myelin sheath
C. axon
D. cell body
Answer» D. cell body
50.

Rods and cones are contained by

A. choroid
B. cornea
C. retina
D. fovea
Answer» D. fovea