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 vermiculture

A. The science of raising worms
B. The science of studying animals
C. The science of studying fishes
D. The science of killing worms
Answer» B. The science of studying animals
2.

Which of the following gases is used in cigarette lighters

A. Butane
B. Methane
C. Propane
D. Radon
Answer» B. Methane
3.

Who discovered bacteria

A. Fleming
B. Lamble
C. Temin
D. Leeuwenhoek
Answer» E.
4.

In human body, Vitamin A is stored in

A. Liver
B. Skin
C. Lung
D. Kidney
Answer» B. Skin
5.

Iodised salt contains

A. Free iodine
B. Calcium iodide
C. Magnesium iodide
D. Potassium iodide
Answer» E.
6.

Soap removes grease by

A. Coagulation
B. Adsorption
C. Emulsification
D. Osmosis
Answer» D. Osmosis
7.

Which one of the following is an antibiotic drug

A. Quinine
B. Sulphaguanidine
C. Chloramphenicol
D. Aspirin
Answer» B. Sulphaguanidine
8.

Bakelite is formed by the condensation of

A. Urea and formaldehyde
B. Phenol and formaldehyde
C. Phenol and acetaldehyde
D. Melamine and formaldehyde
Answer» C. Phenol and acetaldehyde
9.

Choose the best fire extinguisher

A. Oxygen
B. Water
C. Carbon dioxide
D. Blanket
Answer» D. Blanket
10.

Which of the following vitamins is known as ergocalciferol

A. Vitamin D2
B. Vitamin D3
C. Vitamin B12
D. Vitamin B6
Answer» B. Vitamin D3
11.

Migration of cacerous cells from the site of origin to other part of the body forming secondary tumours is called

A. Diapedesis
B. Metastasis
C. Proliferation
D. None of the above
Answer» C. Proliferation
12.

Myopia is also known as __

A. Far sightedness
B. Poor sightedness
C. Extreme sightedness
D. Near sightedness
Answer» E.
13.

The galaxy closest to the Milky way is

A. Triangulum Galaxy
B. Capricorn Dwarf
C. Andromeda Nebula
D. Burbidge Chain
Answer» D. Burbidge Chain
14.

The only molecule in the living world that can replicate itself is

A. DNA
B. RNA
C. Both of the above
D. None of the above
Answer» B. RNA
15.

The elements that show the properties of both metals and nonmetals are called

A. Allotropes
B. Metalloids
C. Alloys
D. Colloids
Answer» C. Alloys
16.

Which of the following is the main component of bones and teeth

A. Calcium carbonate
B. Calcium sulphate
C. Calcium phosphate
D. Calcium nitrate
Answer» D. Calcium nitrate
17.

Which of the following does not belong to vitamin B complex group

A. Thiamine
B. Folic acid
C. Riboflavin
D. Ascorbic acid
Answer» E.
18.

Biochemical oxygen demand (BOD) determines the health of

A. Air
B. Water
C. Soil
D. All of the above
Answer» C. Soil
19.

The largest satellite of the Saturn is

A. Mimas
B. Titan
C. Titania
D. Triton
Answer» C. Titania
20.

Nylon was first invented by

A. Wallace Carothers
B. C. Goodyear
C. L. Pauling
D. E. G. Rochow
Answer» B. C. Goodyear
21.

Which of the following layers of the sun is marked by sunspots

A. Chromosphere
B. Corona
C. Photosphere
D. Radiation zone
Answer» D. Radiation zone
22.

The study of fossils is known as

A. Geoelology
B. Petrology
C. Paleontology
D. Ornithology
Answer» D. Ornithology
23.

Which disease is caused by the fungi

A. Polio
B. Dermatitis
C. Cholera
D. Ringworm
Answer» E.
24.

Which of the following is/are responsible for acid rain

A. Carbon dioxide
B. Carbon monoxide
C. Propane
D. Nitrous oxide and sulphur dioxide
Answer» E.
25.

Which gas is used in the purification of drinking water

A. Helium
B. Chlorine
C. Fluorine
D. Carbon dioxide
Answer» C. Fluorine
26.

Which of the following is a common refrigerant used in domestic refrigerator

A. Neon
B. Oxygen
C. Freon
D. None of the above
Answer» D. None of the above
27.

Which metal is present in insulin

A. Tin
B. Copper
C. Zinc
D. Aluminium
Answer» D. Aluminium
28.

Which of the following is a carrier of parasite Plasmodium

A. Mosquito
B. Fly
C. Lice
D. Air
Answer» B. Fly
29.

Which of the following elements was first produced artificially

A. Neptunium
B. Plutonium
C. Francium
D. Technetium
Answer» E.
30.

The reason of dental caries is

A. viral infection
B. contaminated water
C. bacterial infection
D. hereditary reason
Answer» D. hereditary reason
31.

Thalassaemia is a hereditary disease which affects

A. Blood
B. Lungs
C. Heart
D. Bone
Answer» B. Lungs
32.

Yellow fever is spread by

A. Air
B. Water
C. Housefly
D. Mosquitoes
Answer» E.
33.

Brass gets discoloured in air due to the presence of

A. Oxygen
B. Hydrogen Sulphide
C. Carbon dioxide
D. Nitrogen
Answer» C. Carbon dioxide
34.

Which of the following instruments is used for checking proper functioning of heart

A. E.C.G
B. Sonography
C. C.T. Scan
D. Glucometer
Answer» B. Sonography
35.

"Agrimycin" is used to control which of the following diseases

A. Fungal disease
B. Viral disease
C. Bacterial disease
D. Mycoplasma disease
Answer» D. Mycoplasma disease
36.

Which of the following gases is primarily responsible for eutrophication of water bodies

A. Nitrogen
B. Sulphur dioxide
C. Carbon dioxide
D. All of the above
Answer» B. Sulphur dioxide
37.

Which one have the largest number of species in the world

A. Plants
B. Insects
C. Animals
D. Humans
Answer» C. Animals
38.

Natural rubber is a polymer of __

A. Propene
B. Isoprene
C. Formaldehyde
D. Phenol
Answer» C. Formaldehyde
39.

What drug is used for the management and treatment of HIV infection

A. Ritonavir
B. Penicillin
C. Rifampicin
D. Vancomycin
Answer» B. Penicillin
40.

Benzene Hexachloride is very effective as

A. Pain killer
B. Stimulant
C. Pesticide
D. Herbicide
Answer» D. Herbicide
41.

Uranium 235 has

A. 235 Electrons
B. 235 Protons
C. 235 Neutrons
D. 235 Protons and Neutrons together
Answer» E.
42.

Which of the following cannot be identified as a natural radioactive element

A. Radon
B. Uranium
C. Radium
D. Chromium
Answer» E.
43.

The vinegar is __

A. Citric acid
B. Acetic acid
C. Sulphuric acid
D. Nitric acid
Answer» C. Sulphuric acid
44.

Harmless concentration of flouride in drinking water is __

A. 1.0 ppm
B. less on 0.7 ppm
C. greater on 1.2 ppm
D. 1.5 ppm
Answer» C. greater on 1.2 ppm
45.

Which of the following wastes is highly infectious

A. Biomedical
B. Animal
C. Industrial
D. Domestic
Answer» B. Animal
46.

Which pollutant is added in atmosphere through thermal power station

A. Sulphur Dioxide
B. Nitrogen dioxide
C. CFC
D. Sulphur
Answer» B. Nitrogen dioxide
47.

Which was the first satellite to be repaired in space

A. Challenger
B. Solar Marx
C. Discovery
D. Palapa
Answer» C. Discovery
48.

Infrared rays were first discovered by

A. Herschel
B. Rayleigh
C. Huygens
D. Maxwell
Answer» B. Rayleigh
49.

What is the source of electric energy in an artificial satellite

A. A dynamo
B. Solar cells
C. A thermopile
D. A mini nuclear reactor
Answer» C. A thermopile
50.

Who had played a major contributions in the study of the fossil plants of India

A. Birbal Sahni
B. Ashutosh Mukherjee
C. Salim Ali
D. Jayant Narlikar
Answer» B. Ashutosh Mukherjee