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.

251.

Which among the following the correct English Official name of CERN ( Conseil Européenpour la Recherche Nucléaire)?

A. European Organization for Nuclear Research
B. European Council for Nuclear Research
C. European Center for Nuclear Research
D. European Nuclear Research organization
Answer» B. European Council for Nuclear Research
252.

In which of the following, the cellular power plants – Mitochondria are absent ?

A. Red algae
B. Green Algae
C. Bacteria
D. Brown Algae
Answer» D. Brown Algae
253.

Consider the following types of Plants:1. Calcicoles2. Calcifuges3. CalcareousWhich among the above plants grow in most acidic soils?

A. 1
B. 2
C. 3
D. 1 & 3
Answer» C. 3
254.

Which among the following were not discovered by the time , Mendeleev published hisperiodic table?

A. Lathanides
B. Actinides
C. Noble Gases
D. Halogens
Answer» D. Halogens
255.

Which of the following causes the drop of water to be in spherical shape?

A. Viscosity
B. Air resistance
C. Surface tension
D. Temperature
Answer» D. Temperature
256.

Which of the following is an anti-knocking compound that has been phased out in manycountries so far?

A. Lead tetrachloride
B. Tetra Ethyl Lead
C. Ethyl acetate
D. None of the above
Answer» C. Ethyl acetate
257.

Which among the following oxides cause the Acid rain ?

A. Carbon monoxide and carbon dioxide
B. Nitrous oxide and sulphur dioxide
C. Carbon dioxide and nitrous oxide
D. Sulphur dioxide and carbon monoxide
Answer» C. Carbon dioxide and nitrous oxide
258.

The power we use at Home has a frequency of 60Hz. What would be the period of the sine wave?

A. 0.116 seconds
B. 0.0116 seconds
C. 0.00116 secon
D. 0.0016 Microseconds
Answer» C. 0.00116 secon
259.

Which among the following substances is being used most commonly for producing synthetic jet Fuel?

A. Coal
B. Natural Gas
C. Plastic Waste
D. Biomass
Answer» B. Natural Gas
260.

The following is measured in tonne of oil equivalent (toe) ?

A. Volume of Oil
B. Energy released by burning of oil
C. Demand of Crude oil at a point of time
D. Oil production capacity of a country
Answer» C. Demand of Crude oil at a point of time
261.

How many parts are of other metals in a 17 carat Gold?

A. 3
B. 5
C. 7
D. 9
Answer» D. 9
262.

Which among the following phenomena of the optics makes the Endoscopy capable of examining the internal organs such as Abdomen?

A. Interference
B. Total Internal Reflection
C. Diffraction
D. Scattering
Answer» C. Diffraction
263.

Which among the following statement is correct about Fluorescence?

A. High Energy Photon is absorbed and low energy photon is emitted
B. Low Energy Photon is absorbed and high energy photon is emitted
C. High Energy Photon is absorbed and electron is emitted
D. Low Energy Photon is absorbed and electron is emitted
Answer» D. Low Energy Photon is absorbed and electron is emitted
264.

Moon Mineralogy Mapper (M3) is an instruments providing the first high-resolution spatial and spectral map of the entire lunar surface to India‘s first mission to the Moon Chandrayan -1 launched 22 October 2008. It was contributed by __?

A. National Aeronautics and Space Administration (NASA)
B. Soviet space program
C. Israel Space Agency
D. National Aerospace Laboratory, US
Answer» B. Soviet space program
265.

A piece of Ice was tied with a string to a water bucket‘s bottom, and the water bucket was filled with water with ice fully submerged in it. What would be the impact on the level of water when the ice melts away completely?

A. The level of water will go up
B. The level of water will go down
C. The level of water will remain unchanged
D. The level of water will first increase then come to the previous on
Answer» C. The level of water will remain unchanged
266.

When light from some sources enters to the earth‘s atmosphere, it gets scattered. Whichamong the following is a reason behind scattering?

A. Various wavelengths of light
B. dust, smoke and gas molecules
C. atmospheric pressure
D. None of the above
Answer» C. atmospheric pressure
267.

Which among the following works while we wipe with a towel.?

A. evaporation
B. osmosis
C. capillary action
D. surface tension
Answer» D. surface tension
268.

When a tubelight breaks, a cracking sound is produced because ____?

A. Pressure inside the lamp is less than atmospheric pressure
B. Pressure inside the lamp is more than atmospheric pressure
C. The lamp is filled with reactive gases
D. The lamp is filled with mercury vapour
Answer» B. Pressure inside the lamp is more than atmospheric pressure
269.

When Sulphur is heated with rubber, the process is commonly known as ?

A. Galvanization
B. Sulphonation
C. Vulcanization
D. Hydrodesulfurization
Answer» D. Hydrodesulfurization
270.

Which among the following is the main constituent of malleable metal alloy Pewter ?

A. Copper
B. Zinc
C. Tin
D. Bismuth
Answer» D. Bismuth
271.

Which among the following bacterial cells are found in cubical packets?

A. Tetracocci
B. Streptococci
C. Staphylococci
D. Sarcinae
Answer» E.
272.

The term ―Halitosis‖ denotes which among the following?

A. Bad hearing
B. bad breathe
C. Baldness
D. Excessive Sweating
Answer» C. Baldness
273.

Which of the following organ in human body produces albumin, one of the major components of blood serum?

A. Bone Marrow
B. Liver
C. Pancreas
D. Spleen
Answer» C. Pancreas
274.

Polymetallic Modules (PMN) predominantly contain_____?

A. Calcium
B. Magnesium
C. Manganese
D. Copper
Answer» D. Copper
275.

How many arteries are present in Human Umbilical Cord?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
276.

Gargling with a solution of table salt is known to provide relief for a sore throat because ___ ?

A. It kills bacteria
B. It works as analgesic
C. It dehydrates water from inflammatory tissues by Osmosis
D. Placebo effect
Answer» D. Placebo effect
277.

Sodium Alkyl Sulphate and Benzene Sulphate are examples of ________

A. Explosives
B. Insecticides
C. Fungicides
D. Synthetic Detergents
Answer» E.
278.

―Pratham‖ the first animal born in 1990 by the IVF (In vitro Fertilization) at the NationalDairy Research Institute, Karnal was a ________ ?

A. Cow
B. Buffalo
C. Sheep
D. Goat
Answer» C. Sheep
279.

Which among the following gas is used in Balloons?

A. Hydrogen
B. Helium
C. Nitrogen
D. Oxygen
Answer» C. Nitrogen
280.

Adsorption is used commonly in which of the following processes?

A. Purification of solids
B. Purification of liquids
C. Making scrubbers
D. Chromatography
Answer» E.
281.

Which among the following types of glasses contains Cerium and other rare earths andhas a high absorption of ultraviolet rays?

A. Crookes Glass
B. Pyrex Glass
C. Flint Glass
D. Crown Glass
Answer» B. Pyrex Glass
282.

Any moving object on earth finally comes to rest due to which among the following?

A. Gravity
B. Friction
C. Inertia
D. Motion
Answer» C. Inertia
283.

Which among the following is the main constituent of Biogas?

A. Methane
B. Ethane
C. Propane
D. Butane
Answer» B. Ethane
284.

A person with ―Bombay Blood group‖ can receive blood from a person who is from____?

A. A Group or B Group
B. AB Group
C. O Group
D. None of them
Answer» E.
285.

Who among the following coined the term Bacterium?

A. Antonie van Leeuwenhoek
B. Christian Gottfried Ehrenberg
C. Louis Pasteur
D. Robert Koch
Answer» C. Louis Pasteur
286.

Lepidopterology is a branch of biology, which deals with the following?

A. Ferns
B. animals in stagnant waters
C. Lipids and Fats
D. Moths & Butterflies
Answer» E.
287.

Reserpine is an example of which kind of drug?

A. Narcotic
B. Anti-histamine
C. Tranquillizer
D. None
Answer» D. None
288.

Which among the following elements are generally find in free state?

A. Group 11 elements
B. Group 12 elements
C. Group 13 elements
D. Group 14 elements
Answer» B. Group 12 elements
289.

When we buy a Jewellery of 22 carat Gold , this means that we are getting a purity of gold with ______?

A. 90%
B. 91.67%
C. 95.5%
D. 98%
Answer» C. 95.5%
290.

Which among the following of a catalyst does not change at the end of a reaction?

A. Quantity
B. Chemical Composition
C. Both Quantity and Chemical com position
D. None of the above
Answer» D. None of the above
291.

Which among the following plants is known as Indian ginseng?

A. Withania somnifera
B. Datura ceratocaula
C. Iberis amara
D. Capsella bursa pastoris
Answer» B. Datura ceratocaula
292.

A baby diaper, if tested with various solutions, will absorb maximum amount of which among the following:

A. Distill Water
B. Drinking water
C. Hard water
D. Urine
Answer» B. Drinking water
293.

Which among the following is measured using a Vernier Calliper?

A. Dimensions
B. Time
C. Sound
D. Temperature
Answer» B. Time
294.

Which among the following makes Chile saltpetre different from saltpetre?

A. Nitrate
B. Sodium
C. Magnesium
D. Calcium
Answer» C. Magnesium
295.

What is the common name of Calcium Sulphate Hemihydrate?

A. Bleaching powder
B. Slaked lime
C. Plaster of paris
D. Detergent
Answer» D. Detergent
296.

Which among the following disease has the minimum incubation period, comparing to otherones?

A. Small Pox
B. Influenza
C. Measles
D. Mumps
Answer» C. Measles
297.

Which among the following is not a constituent of gobar gas?

A. Methane
B. Propane
C. Carbondioxide
D. All are constiuents of Gobar gas
Answer» C. Carbondioxide
298.

Ornithophily refers to the pollination through which among the following?

A. Wind
B. Insects
C. Birds
D. Water
Answer» D. Water
299.

Which among the following provides the centripetal force to an electron circulating aroundthe nucleus?

A. electrostatic forces of repulsion
B. electrostatic force of attraction
C. speed of the electron
D. nuclear charge
Answer» C. speed of the electron
300.

An instrument called ―Theodolite‖ is used in which among the following ?

A. Measuring distances, elevations, bearings etc.
B. Measuring rotational speed of a shaft
C. Measuring horizontal and vertical angles in triangular networks
D. Measuring acidity or alkalinity of solutions
Answer» D. Measuring acidity or alkalinity of solutions