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.

_____ solution is used to treat a bee sting.

A. Lemon juice
B. Milk
C. Vinegar
D. Baking soda
Answer» E.
2.

Give an example of a slat which gives an aqueous solution of pH less than 7.

A. Sodium chloride
B. Ammonium chloride
C. Sodium carbonate
D. Sodium bicarbonate
Answer» C. Sodium carbonate
3.

The atoms of Germanium, Arsenic, Selenium and Bromine contain _____ shells.

A. 4
B. 3
C. 5
D. 7
Answer» B. 3
4.

Gravitational force is maximum at which of the following place?

A. At equator
B. At tropic of cancer
C. At tropic of Capricorn
D. At poles
Answer» B. At tropic of cancer
5.

Which of the following disease is caused by female Anopheles mosquito?

A. Chicken Pox
B. Malaria
C. Black Fever
D. Cholera
Answer» E.
6.

The cells which are responsible for the production of antibodies are

A. Red blood cells
B. Neutrophils
C. Lymphocytes
D. Platelets
Answer» C. Lymphocytes
7.

Which of the following transports water from the roots of the plant to its leaves?

A. Xylem
B. Phloem
C. Both xylem and phloem
D. Cortex
Answer» B. Phloem
8.

Our solar system consists of how many planets?

A. 8
B. 10
C. 9
D. 7
Answer» B. 10
9.

A steam engine converts the heat energy of steam into ______.

A. Electrical energy
B. Chemical energy
C. Mechanical energy
D. Thermal energy
Answer» D. Thermal energy
10.

Which of the following organelles is called Atom bombs?

A. Microtubules
B. Nucleolus
C. Golgi bodies
D. Lysosome
Answer» E.
11.

The important metal used with iron to make it rust-free

A. Aluminum
B. Carbon
C. Chromium
D. Tin
Answer» D. Tin
12.

The number of chambers in a human heart is

A. Four
B. Two
C. Three
D. Five
Answer» B. Two
13.

Nilgai belongs to the following family

A. Cow
B. Goat
C. sheep
D. Deer
Answer» E.
14.

Which one of the following is not correctly matched

A. Anemometer - wind speed
B. Ammeter - Electric current
C. Tacheometer - Pressure difference
D. Pyrometer - High temperature
Answer» D. Pyrometer - High temperature
15.

Accumulation of which one of the following in the muscle leads to fatigue?

A. Lactic acid
B. Pyruvic acid
C. Benzoic acid
D. Uric acid
Answer» B. Pyruvic acid
16.

Constituents of atomic nucleus are

A. Electron and proton
B. Electron and neutron
C. Proton and neutron
D. Proton, neutron and electron
Answer» D. Proton, neutron and electron
17.

Who among the following discovered laws of planetary motion?

A. J. Kepler
B. Albert Einstein
C. N. Copernicus
D. Otto Blathy
Answer» B. Albert Einstein
18.

The sweet taste of fruits is due to-

A. Ribose
B. Lactose
C. Fructose
D. Maltose
Answer» D. Maltose
19.

Which of the following is not a natural polymer?

A. Wool
B. Leather
C. Nylon
D. Silk
Answer» D. Silk
20.

The maximum limit in decibels of sound intensity above which a person cannot hear

A. 50 db
B. 70 db
C. 85 db
D. 95 db
Answer» E.
21.

Earth s escape velocity is

A. 15.0 km / sec
B. 21.0 km / sec
C. 7.0 km / sec
D. 11.2 km / sec
Answer» E.
22.

The connective tissue that connects a muscle to a bone is

A. Cartilage
B. Ligament
C. Tendon
D. Interstitial Fluid
Answer» D. Interstitial Fluid
23.

Water can be separated from alcohol water mixture by

A. Decantation
B. Evaporation
C. Distillation
D. Sublimation
Answer» D. Sublimation
24.

Hygrometer is used to measure

A. relative humidity
B. Earthquake
C. body temperature
D. viscosity
Answer» B. Earthquake
25.

Hybridization is

A. downward movement of water through soil
B. a process of tilling the land
C. decayed vegetable matter
D. cross-fertilization between two varieties
Answer» E.
26.

Wind speed is measured by which of the following instruments-

A. Barometer
B. Windven
C. Anemometer
D. Rotameter
Answer» D. Rotameter
27.

Which gas in its solid state is also known as dry ice?

A. Carbon dioxide
B. Hydrogen
C. Nitrogen
D. Oxygen
Answer» B. Hydrogen
28.

Which among the following elements increases the absorption of water and calcium in plants?

A. Manganese
B. Boron
C. Copper
D. Molybdenum
Answer» C. Copper
29.

Name the gland that controls the function of other endocrine glands

A. Pituitary gland
B. Adrenal gland
C. Renal gland
D. Pancreatic gland
Answer» B. Adrenal gland
30.

What is deposited on iron in the process of galvanisation?

A. Tin
B. Zinc
C. Copper
D. Aluminium
Answer» C. Copper
31.

All green plants and certain blue-green algae which can produce food by photosynthesis are called the_____.

A. Consumers
B. Producers
C. Decomposers
D. Bacteria
Answer» C. Decomposers
32.

The first synthetic fibre made by man was

A. Polyester
B. Rayon
C. Terrycloth
D. Nylon
Answer» E.
33.

Which instrument is used to record the speed of a vehicle?

A. Thermometer
B. Barometer
C. Speedometer
D. Oscilloscope
Answer» D. Oscilloscope
34.

Which instrument is used to record Atmospheric pressure?

A. Thermometer
B. Barometer
C. Seismometer
D. Oscilloscope
Answer» C. Seismometer
35.

Which of the following is a colloidal solution?

A. Vinegar solution
B. Paint
C. Muddy water
D. Sugar solution
Answer» C. Muddy water
36.

As compared to pure water, a body in salty water will :

A. Sink more
B. Sink less
C. Remain same
D. None of these
Answer» C. Remain same
37.

Which of the following is hotter?

A. Boiling water
B. Steam
C. Ice
D. All of the above
Answer» C. Ice
38.

Which of the following is an example of diffusion of gases?

A. Perfume Smell
B. Food aroma
C. Fragrance of incense sticks
D. All of the above
Answer» E.
39.

Which among the following is not an Enzyme?

A. Trypsin
B. Gastrin
C. Pepsin
D. Rennin
Answer» C. Pepsin
40.

Who invented the battery?

A. Michael Faraday
B. Volta
C. Maxwell
D. Roentgen
Answer» C. Maxwell
41.

Which of the following is NOT a part of the endocrine system?

A. Pineal gland
B. Salivary gland
C. Thymus
D. Adrenal gland
Answer» C. Thymus
42.

Which of the following is biodegradable?

A. Paper
B. D.D.T.
C. Aluminum
D. Plastic
Answer» B. D.D.T.
43.

The 'Greenhouse effect' is produced due to the presence of excess amount of

A. Sulphur dioxide
B. Nitrogen dioxide
C. Carbon monoxide
D. Methane
Answer» E.
44.

How much blood is pumped in one heart beat?

A. 40 to 50 mililiters
B. 30 to 40 mililiters
C. 30 to 50 mililiters
D. 60 to 90 mililiters
Answer» E.
45.

Which of the following is a nitrogen-fixing bacteria?

A. Salmonella
B. Rhizobium
C. E.coli
D. Pseudomona
Answer» C. E.coli
46.

An element that does not occur in nature but can be produced artificially is

A. thorium
B. radium
C. plutonium
D. uranium
Answer» D. uranium
47.

In the human body, fats are stored in the

A. Epidermis
B. Adipose tissue
C. Liver
D. Epithelium
Answer» C. Liver
48.

Materials for rain-proof coats and tents owe their water proof properties to

A. Surface tension
B. Viscosity
C. Specific gravity
D. Elasticity
Answer» B. Viscosity
49.

Which part of the nervous system controls the activities of internal organs?

A. Spinal cord
B. Cerebrum
C. Cerebellum
D. Medulla Oblongata
Answer» E.
50.

Solar cells work on the principle of

A. Photovoltaic effect
B. photoelectric effect
C. photoconductive effect
D. photosynthesis
Answer» B. photoelectric effect