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.

What is studied in genetics?

A. the cell
B. study of muscles
C. study of sleep
D. heredity and chromosomes
Answer» E.
2.

By whom was the science of heredity called genetics?

A. corns
B. Watson
C. muller
D. mendel
Answer» C. muller
3.

Who invented the rabies vaccine?

A. zener
B. Darwin
C. lister
D. Pasteur
Answer» E.
4.

Improving the environment of man is called improving the breed?

A. euthenics
B. paleontology
C. eugenics
D. none of these
Answer» B. paleontology
5.

The study of cancer related diseases is called?

A. oncology
B. Organology
C. serology
D. neurology
Answer» B. Organology
6.

The branch of science that studies human skin is called?

A. Dermatology
B. biochemistry
C. physiology
D. Anatomy
Answer» B. biochemistry
7.

The study of the laws of inheritance is called?

A. taxonomy
B. ecology
C. cell Biology
D. genetics
Answer» E.
8.

The study of fishes is called?

A. lapidaryology
B. secretology
C. ichthyology
D. none of these
Answer» D. none of these
9.

Under which branch of science is the study of bones done?

A. orology
B. Ceremology
C. osteology
D. none of these
Answer» D. none of these
10.

The resistance of organisms against infection is studied by?

A. immunology
B. hemology
C. pathology
D. none of these
Answer» B. hemology
11.

What is the study of antibodies and antigens in blood called?

A. Biology
B. histology
C. gynecology
D. serology
Answer» E.
12.

Man-made environmental pollution is called?

A. pain reliever
B. Antibiotics
C. parabiotic
D. none of these
Answer» D. none of these
13.

Which form of energy does not cause pollution problems?

A. Coal
B. petrol
C. nuclear
D. solar
Answer» E.
14.

Which of the following agricultural work is environmentally sound?

A. organic agriculture
B. production of varieties
C. shift farming
D. none of these
Answer» B. production of varieties
15.

Which is the most sustainable ecosystem?

A. Forest
B. field of grass
C. desert
D. Sea
Answer» E.
16.

Could it be a result of global warming?

A. sea ​​level rise
B. change in coast line
C. change in crop
D. none of these
Answer» C. change in crop
17.

Which of the following is the cause of maximum noise pollution?

A. jet flight
B. pop music
C. Election meetings
D. none of these
Answer» B. pop music
18.

The ozone layer present in the atmosphere absorbs?

A. over the arctic ocean
B. over alaska
C. over antarctica
D. none of these
Answer» D. none of these
19.

Who propounded the concept of ecological niche?

A. C. C. Park
B. the greenells
C. by Darwin
D. none of these
Answer» C. by Darwin
20.

Who is the biggest fixer of solar energy?

A. fungus
B. Green plants
C. protozoa
D. bacteria
Answer» C. protozoa
21.

Epiphytes are highly developed plants that depend on other plants.

A. for food
B. for water
C. for shade
D. for mechanical help
Answer» E.
22.

Plants that grow in the desert are called?

A. hydrophytes
B. Xerophytes
C. epiphytes
D. mesophytes
Answer» C. epiphytes
23.

How many pairs of nerves emerge from the spinal cord in humans?

A. 12
B. 13
C. 31
D. 35
Answer» D. 35
24.

Which one of the following plants is dioecious?

A. Amarbel
B. Azadirachta indica
C. Will do
D. Mustard
Answer» D. Mustard
25.

Which tree is suitable for preventing dust pollution?

A. Sita Ashok
B. Azadirachta indica
C. Poplar
D. Mahua
Answer» C. Poplar
26.

The world's largest ecosystem is?

A. grassland
B. sea
C. Forest
D. none of these
Answer» C. Forest
27.

What is an example of a non-living component of the environment?

A. vegetation
B. Beast
C. Wind
D. All
Answer» D. All
28.

What is hydrophyte?

A. to an aquatic plant
B. Of a collective animal
C. a plant disease
D. none of these
Answer» B. Of a collective animal
29.

Where is the control center of reflex actions?

A. in the cerebellum
B. in the vertebral cord
C. in nerve cells
D. in the brain
Answer» C. in nerve cells
30.

What is the total number of muscles in the human body?

A. 600
B. 630
C. 639
D. 653
Answer» D. 653
31.

If the radius of a person's blood vessels is reduced, then his blood pressure?

A. will grow
B. will decrease
C. will remain the same
D. will increase in men and decrease in women
Answer» B. will decrease
32.

What percentage of the total body mass is the volume of blood?

A. 8 %
B. 7 %
C. 11 %
D. 13 %
Answer» C. 11 %
33.

Which hormone does the uterus produce for the implantation of a fertilized egg?

A. oxytocin
B. Prolactin
C. estrogen
D. none of these
Answer» D. none of these
34.

Removal of land by the action of wind and water is called?

A. erosion
B. Lavan Bhavan
C. calcification
D. fossil building
Answer» B. Lavan Bhavan
35.

In which of the following human hormones iodine is mixed?

A. oxytocin
B. thyroxine
C. progesterone
D. none of these
Answer» C. progesterone
36.

Which element plays a major role in clotting of blood?

A. MG
B. That
C. Fe
D. With
Answer» C. Fe
37.

Iodine containing hormone?

A. Adrenaline
B. insulin
C. thyroxine
D. none of these
Answer» D. none of these
38.

What is the blood purifier?

A. kidney
B. lung
C. heart
D. liver
Answer» B. lung
39.

Which one of the following organisms has the maximum number of ribs at 24?

A. but
B. human
C. fish
D. snake
Answer» C. fish
40.

In the human body the tail is attached to which structure?

A. small intestine
B. Colon
C. stomach
D. gall bladder
Answer» C. stomach
41.

What is the number of orbits in the human heart?

A. four
B. Five
C. three
D. two
Answer» B. Five
42.

Which blood class does the omnivore belong to?

A. A
B. B
C. FROM
D. O
Answer» D. O
43.

How many valves are there in human heart?

A. 1
B. 2
C. 3
D. 4
Answer» E.
44.

What is the average heart rate in a normal person?

A. 82
B. 92
C. 72
D. 90
Answer» D. 90
45.

EEG is used to record whose activity?

A. lung
B. heart
C. Brain
D. none of these
Answer» D. none of these
46.

The pigment that gives color to human skin is?

A. Rhodopsin
B. Melanin
C. anthrocyanin
D. idopsin
Answer» C. anthrocyanin
47.

What constitutes the majority of the total weight of an animal's body?

A. blood
B. tissue
C. bone
D. water
Answer» E.
48.

What is the normal human body temperature?

A. 120/80
B. 100/90
C. 80/110
D. none of these
Answer» B. 100/90
49.

Which group is the universal donor in human blood?

A. A
B. B
C. FROM
D. O
Answer» E.
50.

Approximately how many grams is the human brain?

A. 1350
B. 1230
C. 1100
D. 1500
Answer» B. 1230