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.

In Modern Periodic Table, there is an anomaly when it comes to the position of_____because it can be placed either in group 1 or group 17 in the first period

A. He
B. H
C. Li
D. Be
Answer» C. Li
2.

The time period of a vibrating body is 0.04s, then the frequency of the wave is___.

A. 25Hz
B. 20Hz
C. 250Hz
D. 200Hz
Answer» B. 20Hz
3.

If the edge of a cube is halved, then its volume reduces to _____times the actual volume.

A. 1/3
B. 1/4
C. 1/8
D. 1/2
Answer» D. 1/2
4.

The cathode rays can be deflected-

A. Both electric and magnetic field
B. Not by any field
C. Only by electric field
D. Only by magnetic field
Answer» B. Not by any field
5.

What is the viscosity of an ideal fluid?

A. Equal to its mass
B. Equal to its weight
C. Zero
D. One
Answer» D. One
6.

The first protocol to ban the emissions of chlorofluorocarbons in the atmosphere was made in

A. Montreal
B. Osaka
C. Geneva
D. Florida
Answer» B. Osaka
7.

Which of these is a micronutrient for plants?

A. Carbon
B. Oxygen
C. Nitrogen
D. Boron
Answer» E.
8.

Who among the following was the first to say that mosquito is the carrier of malaria?

A. Robert Koch
B. Louis Pasteur
C. Ronald Raas
D. Leveron
Answer» D. Leveron
9.

Blood does not clot in the blood vessels due to the presence of

A. Thrombin
B. Fibrinogen
C. Heparin
D. Prothrombin
Answer» B. Fibrinogen
10.

Which of the following diseases is caused by protozoa?

A. pyuria
B. Peaches
C. Malaria
D. All of the above
Answer» E.
11.

Which of the following is an epidemic and endemic disease?

A. polio
B. measles
C. Typhoid
D. Cholera
Answer» E.
12.

Pyramid of energy

A. is always upright.
B. is inverted only for sea ecosystem.
C. is always inverted.
D. can be both inverted or upright.
Answer» B. is inverted only for sea ecosystem.
13.

For control of which disease is an antigen ( D, P, T ) administered to children?

A. Diphtheria, Pertussis, Typhoid
B. Dengue, Polio, Typhoid
C. Diphtheria, Pertussis, Tetanus
D. Diphtheria, Polio, Tetanus
Answer» D. Diphtheria, Polio, Tetanus
14.

How many contrasting characters did Mendel select for his experiments?

A. 9
B. 10
C. 7
D. 8
Answer» D. 8
15.

The most common cause of anemia in our country is

A. Potassium deficiency
B. Calcium deficiency
C. Iron deficiency
D. Magnesium deficiency
Answer» D. Magnesium deficiency
16.

What is the point on the lever which does not move called?

A. Effort
B. Load
C. Fulcrum
D. Core
Answer» D. Core
17.

Photosynthesis in plants converts light energy to____ energy.

A. Chemical
B. Thermal
C. Kinetic
D. Physical
Answer» B. Thermal
18.

The number of RCB count in an adult male is?

A. 4.6 Million
B. 4.0 Million
C. 6.5 Million
D. 5 Million
Answer» E.
19.

The main components of Liquid Petrolium Gas (LPG) are?

A. Ethane, Propane and Butane
B. Methane, Carbon Monoxide & Hydrogen
C. Methane, Ethane and Hexane
D. Methane, Pentane and Hexane
Answer» B. Methane, Carbon Monoxide & Hydrogen
20.

The density of milk can be measured by?

A. Butyrometer
B. Thermometer
C. Hydrometer
D. Lactometer
Answer» E.
21.

Bronze is an alloy of?

A. Copper & Lead
B. Copper & Tin
C. Copper & Silver
D. Copper & Zinc
Answer» C. Copper & Silver
22.

The sky appears blue due to its?

A. Refraction of Light
B. Reflection of Light
C. Scattering of Light
D. Diffraction of Light
Answer» D. Diffraction of Light
23.

The chemical name of Baking Soda is?

A. Sodium Bicarbonate
B. Sodium Hydroxide
C. Sodium Chloride
D. Sodium Sulphate
Answer» B. Sodium Hydroxide
24.

Which of the following substance is used for Artificial Rain?

A. Silver Iodide
B. All of the Above
C. Silver Bromide
D. Ammonium Nitrate
Answer» B. All of the Above
25.

Which one of the following organ is affected by Malaria?

A. Kidney
B. Spleen
C. Heart
D. Lungs
Answer» C. Heart
26.

The weight of our body is mostly made of?

A. From Water
B. Parts of Skin
C. From Bones
D. Parts of Body
Answer» B. Parts of Skin
27.

A satellite is kept moving in its orbit around the Earth due to its?

A. Gravitational Force
B. None of the Above
C. Centrifugal Force
D. Centripetal Force
Answer» E.
28.

Communication satellites are used to -

A. provide information of natural resources only
B. transmit communication signal only
C. receive communication signal only
D. receive and redirect communication signal
Answer» E.
29.

Bacteria is classified as____.

A. Eukaryote organism
B. Prokaryote organism
C. Both a and b
D. None of a and b
Answer» C. Both a and b
30.

Mohs scale is used to measure ________.

A. Elasticity of a Material
B. Liquidity of a Substance
C. Viscosity of Substance
D. Hardness of Substance
Answer» E.
31.

Who invented the bifocal glasses?

A. Thomas Alva Edison
B. Benjamin franklin
C. Evangelista
D. Isaac Newton
Answer» C. Evangelista
32.

Who discovered Cathode rays?

A. J.J.Thomson
B. Rutherford
C. Chadwick
D. Goldstein
Answer» B. Rutherford
33.

For which invention is Otto Hahn famous?

A. Atom bomb
B. Television
C. X-rays
D. Miner s safety lamp
Answer» B. Television
34.

The size of the earth in the sequence of planets:

A. Fifth
B. Seventh
C. Third
D. Fourth
Answer» B. Seventh
35.

Who invented the Locomotive Engine?

A. Richard Gatling
B. E.G. Otis
C. Richard Trevithick
D. Sir Humphry Davy
Answer» D. Sir Humphry Davy
36.

The device that confirms the presence of electric charge:

A. Dynamo
B. Electroscope
C. Ammeter
D. Cryotron
Answer» C. Ammeter
37.

Retinol is mainly related to ________.

A. Vitamin A
B. Vitamin B
C. Vitamin D
D. Vitamin E
Answer» B. Vitamin B
38.

Fungi are plants that lack:

A. Carbon dioxide
B. Chlorophyll
C. Oxygen
D. None of these
Answer» C. Oxygen
39.

Which law of physics states that the force between the two electric charges reduces to a quarter of its former value when the distance between them is doubled?

A. Coulomb s Law
B. Pascal s Law
C. Stefan s Law
D. Hooke s Law
Answer» B. Pascal s Law
40.

The method of protecting iron from rusting, by coating a thin layer of Zinc is called:

A. Oxydising
B. Chlorofication
C. Galvanizing
D. None of these
Answer» D. None of these
41.

_______________ is not a type of heat transfer.

A. Diffusion
B. Reflection
C. Convection
D. Radiation
Answer» C. Convection
42.

What makes a reptile a reptile?

A. Non-Hearing
B. Egg-laying
C. Cold blooded
D. Warm Blooded
Answer» C. Cold blooded
43.

Histology is the study of:

A. Lever
B. Tissues
C. Haemoglobin
D. Bones
Answer» C. Haemoglobin
44.

________________ is used as a stabilizer in ice cream.

A. Gelatin
B. Sugar
C. Milk
D. Strawberry
Answer» B. Sugar
45.

Hydroponics is growing plant without____.

A. Fertilizers
B. Water
C. Soil
D. Seeds
Answer» D. Seeds
46.

Which blood vessels have the smallest diameter?

A. Venules
B. Lymphatic
C. Capillaries
D. Arterioles
Answer» D. Arterioles
47.

Activity of brain is recorded by _______.

A. MET
B. CT
C. ECG
D. EEG
Answer» E.
48.

Who invented Rocket?

A. Rich K Goyle
B. E M Forster
C. Robert Goddard
D. James Anderson/
Answer» D. James Anderson/
49.

Which among the following is not a unit of distance?

A. Light year
B. Longsec
C. Astronomical unit
D. Parsec
Answer» C. Astronomical unit
50.

Instrument for measuring rainfall is called

A. Lucimeter
B. Galactometer
C. Hyetometer
D. Hygrometer
Answer» D. Hygrometer