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 the reason for the color of thin soap bubbles?

A. Frequency
B. scatter
C. interference
D. withdrawal
Answer» D. withdrawal
2.

What is a water soluble vitamin?

A. a and d
B. D, K and E
C. b and k
D. b and c
Answer» E.
3.

Which thing is not destroyed by bacteria?

A. cow-dung
B. leaves of plants
C. food
D. plastic
Answer» E.
4.

Soybeans contain large amounts of?

A. minerals
B. Proteins
C. Carbohydrates
D. Vitamins
Answer» C. Carbohydrates
5.

Why do objects appear to move when viewed through smoke?

A. refraction
B. reflection
C. Full internal reflection
D. scatter
Answer» B. reflection
6.

A lunar eclipse occurs when. . .

A. the sun is between the earth and the moon
B. the moon is between the sun and the earth
C. earth is between the sun and the moon
D. None of these
Answer» D. None of these
7.

What should be the properties of a fuse wire?

A. high melting point
B. low resistance
C. low network
D. high resistance
Answer» E.
8.

Which of the following is a good moderator?

A. cadmium
B. graphite
C. helium
D. plain water
Answer» C. helium
9.

Which animal is man's friend?

A. Rat
B. earthworm
C. Zingur
D. Squirrel
Answer» C. Zingur
10.

Deficiency of which vitamin causes slow clotting of blood?

A. vitamin C
B. vitamin D
C. Vitamin E
D. Vitamin K
Answer» E.
11.

Which disease is caused due to lack of iron in the body?

A. Rickets
B. Anemia
C. scurvy
D. Hemorrhage
Answer» C. scurvy
12.

In a color television, colors are formed by mixing three basic colors, these are?

A. red, blue and orange
B. red, green and blue
C. red, yellow and green
D. red, green and brown
Answer» C. red, yellow and green
13.

What is Hemoglobin?

A. plant matter
B. bone marrow
C. substance found in human blood
D. pituitary gland secretion
Answer» D. pituitary gland secretion
14.

If the distance between the Sun and the Earth is reduced by one-fourth, what will most likely happen?

A. the earth will fall into the sun
B. the earth will burn to ashes
C. the duration of our year will be shortened
D. earth will fly into space
Answer» D. earth will fly into space
15.

What happens if there is a malfunction in the pancreas?

A. Digestion will not work properly
B. Insulin and glucamone will not be made
C. Blood production will stop
D. blood pressure will rise
Answer» C. Blood production will stop
16.

Have food to eat?

A. sodium carbonate
B. sodium bicarbonate
C. Sodium sulphate
D. sodium hydroxide
Answer» C. Sodium sulphate
17.

What is the escape velocity of the earth?

A. 15. 0 Km / s
B. 21. 1 Km / s
C. 7. 0 Km / s
D. 11. 2 Km / s
Answer» E.
18.

What class of animal is a whale?

A. fish
B. mammal
C. Reptiles
D. amphibian
Answer» C. Reptiles
19.

What is the name of the method of creating a shadow image in three dimensions with the help of a laser beam?

A. holography
B. Xerography
C. videography
D. audiography
Answer» B. Xerography
20.

Which disease is caused by insect bite?

A. scurvy
B. Dengue
C. pneumoniae
D. asthma
Answer» C. pneumoniae
21.

What isMorphinederived from?

A. flower
B. leaf
C. root
D. stem
Answer» D. stem
22.

Which class of food has the highest amount of calories per unit?

A. in vitamins
B. in fat
C. in carbohydrates
D. in protein
Answer» C. in carbohydrates
23.

The stem of ginger which grows in the soil and stores food is called

A. tubers
B. rhizome
C. Ribofour
D. cubed
Answer» C. Ribofour
24.

What is the main use of sweat?

A. controlling body temperature
B. balance the amount of water in the body
C. to remove toxins from the body
D. pore removal
Answer» B. balance the amount of water in the body
25.

Spider is different from insect because spider is found in?

A. six legs
B. eight legs
C. ten legs
D. twelve legs
Answer» C. ten legs
26.

What is the correct sequence of colors in Indra Dhanush?

A. blue, green, purple
B. purple, green, blue
C. blue, yellow, green
D. blue, green, yellow
Answer» E.
27.

Apiculture is a scientific method, which is related to the production of?

A. of honey
B. of silk
C. to save
D. of lakhs
Answer» B. of silk
28.

Measles disease?

A. from virus
B. from fungus
C. from bacteria
D. from mycoplasma
Answer» B. from fungus
29.

Lichens are sugary organisms, which are made of?

A. fungi and bacteria
B. from fungi and algae
C. Fungi and Bryophyta
D. from algae and bacteria
Answer» C. Fungi and Bryophyta
30.

Which of the following is used to fill balloons?

A. oxygen
B. carbon dioxide
C. methane
D. helium
Answer» E.
31.

Quinine, which is a major drug for malaria, is obtained from?

A. from angiosperms
B. from bacteria
C. from yeast
D. from algae
Answer» D. from algae
32.

Ethine is made unfit for drinking by mixing the following in alcohol?

A. potassium cyanide
B. methanol and pyridine
C. acetic acid and pyridine
D. naphthalene
Answer» C. acetic acid and pyridine
33.

The light yellow color of cow's milk is due to the presence of

A. xanthophyll
B. Riboflavin
C. Vitamin 12
D. Carotene
Answer» E.
34.

Cloves obtained?

A. from the root
B. from the stem
C. from fruit
D. from flower buds
Answer» E.
35.

Which part of the human body is affected in Alzheimer's disease?

A. ear
B. Brain
C. eye
D. stomach
Answer» C. eye
36.

Thyroxine is the iodine-containing hormone?

A. a sugar
B. an amino acid
C. an ester
D. a peptide
Answer» C. an ester
37.

Which of the following diet provides nutrients for the growth of new tissues in the human body?

A. fruit
B. Vegetables
C. cheese
D. Sweet
Answer» D. Sweet
38.

Which of the following is an example of a chemical change?

A. splitting of white light into seven colors when it passes through a prism
B. softening of vegetables when they are cooked
C. dry clay
D. dissolving salt in water
Answer» C. dry clay
39.

If a liquid rises to a higher height than water in a capillary, it is because of this?

A. is more viscous than liquid water
B. The temperature of a liquid is higher than that of water
C. Surface tension of liquid is less than that of water
D. The surface tension of a liquid is higher than that of water.
Answer» E.
40.

If a 60 watt bulb is used for 5 hours a day, how many units of electricity will be spent in 30 days?

A. 12
B. 9
C. 6
D. 3
Answer» C. 6
41.

By what process can sea water be converted into pure water?

A. complaint
B. effusion
C. electrical separation
D. reverse osmosis
Answer» E.
42.

Which branch of physics deals with the study of the motion of very fine particles?

A. field theory
B. particle physics
C. quantum mechanics
D. atomic physics
Answer» D. atomic physics
43.

Which of the following diseases cannot be cured by antibiotics?

A. leprosy
B. tetanus
C. measles measles
D. cholera
Answer» D. cholera
44.

In the state of weightlessness, the shape of a candle flame will be

A. longer
B. more little
C. round shape
D. will remain the same
Answer» E.
45.

Which of the following is used in the synthesis of polyethylene?

A. methane
B. athene
C. propane
D. butane
Answer» C. propane
46.

Which hormone is secreted, which increases the heart rate and gives a feeling of excitement?

A. cortisone
B. insulin
C. adrenaline
D. testosterone
Answer» D. testosterone
47.

The poison used to kill rats is?

A. calcium phosphide
B. zinc phosphide
C. magnesium nitride
D. magnesium phosphide
Answer» C. magnesium nitride
48.

Through which does the newly hatched tadpole breathe from the egg?

A. from the lungs
B. from the outer gills
C. from the inner gills
D. from all of the above
Answer» C. from the inner gills
49.

When a person moves from a bright light area to a dark room, he cannot see clearly for some time, later gradually he starts seeing things because of this?

A. change in pupil size
B. Change in lens diameter and focus distance
C. bleaching and recrystallization of rhodopsin
D. dark-adaptation
Answer» E.
50.

What are the rings of Saturn made of?

A. gases and clouds
B. large pieces of ice and rock
C. wind and storm
D. Satellite
Answer» C. wind and storm