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.

Which of the following bones bones are present in the plam of hand?

A. Carpals
B. Metacarpals
C. Phalanges
D. Metatarsals
Answer» C. Phalanges
2.

Which of the following bone is not present in the hind-limb?

A. Femur
B. Tibia
C. Radius
D. Fibula
Answer» D. Fibula
3.

Which of the following bacteria do not have flagella commonly__________?

A. Cocci
B. Bacilli
C. Streptobacilli
D. Vibrio
Answer» B. Bacilli
4.

Which of the following bacteria are thick rigid and spiral______________?

A. Vibrio
B. Spirillum
C. Spirochete
D. Coccus
Answer» C. Spirochete
5.

Which of the following are triploblastic and acoelomate?

A. Sponges
B. Annelida
C. Platyhelminthes
D. Aves
Answer» D. Aves
6.

Which of the following are responsible for the detection of changes in environment?

A. Receptors
B. Neurons
C. Effectors
D. All of these
Answer» B. Neurons
7.

Which of the following are proteins in nature?

A. Antibodies
B. Interferons
C. Antitoxins
D. All of these
Answer» E.
8.

Which of the following are motile zooids in cnidarians?

A. Polyps
B. Medusae
C. Both of these
D. None of these
Answer» C. Both of these
9.

Which of the following are connective tissues?

A. cartilage
B. bone
C. blood
D. all the above
Answer» E.
10.

Which of the following animals has a respiratory system with one way flow of the air through the lungs, and the air is renewed after inspiration?

A. Cockroach
B. Earthworm
C. Aves
D. Frogs
Answer» D. Frogs
11.

Which of the following animal uses Setae and Muscles for their Iocomotion?

A. Cockroach
B. Snail
C. Earthworm
D. Star fish
Answer» D. Star fish
12.

Which of the following animal excrete nitrogenous waste mainly as uric acid?

A. Hydra
B. Planaria
C. Humans
D. Birds
Answer» E.
13.

Which of the following animal has a hydrostatic skeleton?

A. Earthworm
B. Round worm
C. Tape worm
D. Pin worm
Answer» B. Round worm
14.

Which of the following allows precise muscular movements_______________?

A. Cerebrum
B. Cerebellum
C. Thalamus
D. Hypothalamus
Answer» C. Thalamus
15.

Which of the following acts as thermoregulator?

A. Cerebrum
B. Cerebellum
C. Thalamus
D. Hypothalamus
Answer» E.
16.

Which of the Euglenas (a Protoctista) character resembles that of animals______________?

A. They can move
B. They lack cell wall
C. They do not have chlorophyll
D. Both a and b
Answer» E.
17.

Which of following system is segmentally arranged in annelids?

A. Excretory system
B. Digestive system
C. Criculatory system
D. Nervous system
Answer» D. Nervous system
18.

Which is NOT an example of a microbial symbiosis?

A. bacteria in the human colon
B. tapeworm in the cow intestine
C. bacteria passing through the placenta
D. protozoans found within termites
Answer» D. protozoans found within termites
19.

Which is not a vertebrate ?

A. Reptiles
B. Fish
C. Insect
D. None of these
Answer» D. None of these
20.

Which is an organic compound found in most cells ?

A. Water
B. Glucose
C. Oxygen
D. Sodium chloride
Answer» C. Oxygen
21.

Which is a parasitic plant?

A. cuscuta
B. rose
C. ferns
D. mosses
Answer» B. rose
22.

Which excretory product in produced in plants during autotrophic mode of life?

A. CO2
B. H2O
C. O2
D. Both A and B
Answer» D. Both A and B
23.

Which disease has been totally eradicated from the world because of effective vaccination?

A. Measles
B. Polio
C. Small pox
D. Hepatitis
Answer» D. Hepatitis
24.

Which disease can be controlled by vaccination?

A. Measles
B. Cancer
C. Diabetes
D. Heart attack
Answer» B. Cancer
25.

Which conjegated molecules play important role in gene expression___________?

A. Glycolipids
B. Glycoproteins
C. Nucleohistones
D. None of these
Answer» D. None of these
26.

Which chemical component has the same % in bacterial as well as the mammalian cell_____________?

A. Water
B. Carbohydrate
C. Proteins
D. Lipids
Answer» B. Carbohydrate
27.

Which chemical component has the greatest contribution in the total mammalian cell weight__________?

A. Proteins
B. Carbohydrate
C. Lipids
D. Water
Answer» E.
28.

Which character differentiates living things from non-living organisms___________?

A. They live in the same ecosystem.
B. They are acted upon by the same environment
C. They are highly organized and complex made of one or more cells and contain genetic material
D. Both a and b
Answer» D. Both a and b
29.

Which character differentiates living things from non-living organisms?

A. They live in the same ecosystem
B. They are highly organized and complex made of one or more cells and contain genetic material
C. They are acted upon by the same environment
D. Both a and b
Answer» C. They are acted upon by the same environment
30.

Which branch of science is short in laws ?

A. Biology
B. Physics
C. Chemistry
D. All of these
Answer» B. Physics
31.

Which bone is called beauty bone in women?

A. sternum
B. clavicle
C. maxilla
D. radius
Answer» C. maxilla
32.

Which are the four most abundant elements in living cells ?

A. carbon, oxygen, nitrogen, sulfur
B. carbon, oxygen, hydrogen, nitrogen
C. carbon, oxygen, sulfur, phosphorus
D. carbon, sulfur, hydrogen, magnesium
Answer» C. carbon, oxygen, sulfur, phosphorus
33.

Which among the following is an Autotroph _________ ?

A. Butterfly
B. Mushroom
C. Fish
D. Algae
Answer» E.
34.

Which adaptation is acquired by plants of cooler areas to prevent lipid crystal formation in cell membrane?

A. Change in membrane protein composition
B. Change in the solute composition of the cell membrane which prevents crystallization
C. Increase in proportion of unsaturated fatty acids
D. Development of heat shock proteins
Answer» D. Development of heat shock proteins
35.

When abdomen expands, the number of spiracles open is_____________?

A. 2
B. 3
C. 6
D. 8
Answer» E.
36.

What percentage of light reaching the earth is used in photosynthesis?

A. 25%
B. 10%
C. 5%
D. 1%
Answer» E.
37.

What is the mode of transmission of Hepatitis virus?

A. Aerosol
B. Parentral (via blood)
C. Skin penetration
D. Unknown
Answer» C. Skin penetration
38.

What is the function of synapse________________?

A. To allow nerve impulse to move in backward direction
B. To decrease the speed of nerve impulse
C. To stop the nerve impulse
D. To provide cytoplasmic connection between neurons
Answer» C. To stop the nerve impulse
39.

What is the characteristic feature of consumers?

A. Autotroph
B. Heterotroph
C. Parasite
D. Saprophyte
Answer» C. Parasite
40.

What is the branch of biology in which structure and function of tissues are studied___________?

A. Cell Biology
B. Taxonomy
C. Histology
D. Morphology
Answer» D. Morphology
41.

What is hibernation and aestivation________?

A. Thermal adaptation shown by animals
B. wind adaptation shown by animals
C. adaptation of animals to escape from predators
D. none of the above
Answer» B. wind adaptation shown by animals
42.

What happens during muscle contraction to the length of each myosin and action filament?

A. Z- lines get closer
B. A band becomes short
C. 1 band elongates
D. There is no change in sarcomere
Answer» B. A band becomes short
43.

Water potential of pure water is__________?

A. zero
B. one
C. negative
D. two
Answer» B. one
44.

Water is _________ times viscous than air?

A. 50
B. 1000
C. 5000
D. 8000
Answer» B. 1000
45.

Water has maximum density at____________?

A. 0°C
B. 4°C
C. 4° K
D. 4.8°C
Answer» C. 4° K
46.

____________ was first to propose an objective definition of instinct.

A. Thorpe
B. Darwin
C. Pavlov
D. Kohler
Answer» C. Pavlov
47.

Vocal cords are stretched across_______?

A. Larynx
B. Pharynx
C. Golttis
D. None of these
Answer» D. None of these
48.

Voice box is another name used for___________?

A. Buccal cavity
B. Pharynx
C. Larynx
D. Chest Cavity
Answer» D. Chest Cavity
49.

Visible light used in photosynthesis ranges from:__________?

A. 300 – 700 nm in wavelength
B. 350 – 750 nm in wavelength
C. 380 – 750 nm in wavelength
D. 390 – 790 nm in wavelength.
Answer» D. 390 – 790 nm in wavelength.
50.

Viruses are __________ smaller than bacteria?

A. 10 – 100 times
B. 10 – 1000 times
C. 100 – 1000 times
D. 1000 – 10000 times
Answer» C. 100 – 1000 times