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SSC CGL Previous Year Questions: General Science - 6 - SSC CGL MCQ


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30 Questions MCQ Test SSC CGL Previous Year Papers - SSC CGL Previous Year Questions: General Science - 6

SSC CGL Previous Year Questions: General Science - 6 for SSC CGL 2024 is part of SSC CGL Previous Year Papers preparation. The SSC CGL Previous Year Questions: General Science - 6 questions and answers have been prepared according to the SSC CGL exam syllabus.The SSC CGL Previous Year Questions: General Science - 6 MCQs are made for SSC CGL 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for SSC CGL Previous Year Questions: General Science - 6 below.
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SSC CGL Previous Year Questions: General Science - 6 - Question 1

Viruses that infect bacteria are called    (SSC Sub. Ins. 2016)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 1

Bacteriophages are viruses that infect and feed on bacterial host.

SSC CGL Previous Year Questions: General Science - 6 - Question 2

A dispersion indicates    (SSC Sub. Ins. 2016)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 2

The measure of dispersion shows the scatterings of the data. It tells the variation of the data from one another and gives a clear idea about the distribution of the data. Measure of dispersion, is used to describe the variability in a sample or population and generally used in conjunction with a measure of central tendency

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SSC CGL Previous Year Questions: General Science - 6 - Question 3

The principle involved in the absorption of water by soil is    (SSC Sub. Ins. 2016)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 3

The soil particles absorb the water from the surroundings through the process of capillary action.

SSC CGL Previous Year Questions: General Science - 6 - Question 4

Which of the following is present in maximum amount in acid rain?    (SSC Sub. Ins. 2016)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 4

H2SO4 comprises about 60 per cent of the acid components of acid rains. It is produced by the combustion of coal and oil in power plants, smelters etc.

SSC CGL Previous Year Questions: General Science - 6 - Question 5

The lethal dose required to kill 50% of the lab animals tested under standard is referred as    (SSC Sub. Ins. 2016)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 5

LD50 is the amount of a drug or any test material which causes the death of 50% of a group of test animals under the standard test conditions.

SSC CGL Previous Year Questions: General Science - 6 - Question 6

Electric current is measured using which of the following instrument ?    (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 6

Electric current is measured using a device called as ammeter.

SSC CGL Previous Year Questions: General Science - 6 - Question 7

Photoperiodism affects    (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 7

Photoperiodism is the physiological reaction of organisms to the length of day or night. It occurs in plants and animals. It affects Flowering,Vegetative growth and fruiting in plants.

SSC CGL Previous Year Questions: General Science - 6 - Question 8

Match the following :    (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 8

The correct match is as follows:
Ascorbic acid- Vitamin C
Chlorophyll- Photosynthetic pigment
Carotenoid- Quencher
Superoxide dismutase- Enzyme

SSC CGL Previous Year Questions: General Science - 6 - Question 9

Allantois of Embryo helps in   (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 9

Allantois is a membrane around developing embryo which is primarily involved in nutrition exchange and excretion.

SSC CGL Previous Year Questions: General Science - 6 - Question 10

Which one of the following animals belongs to mollusca ?      (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 10

Haliotis belongs to Mollusca.

SSC CGL Previous Year Questions: General Science - 6 - Question 11

Outside the nucleus DNA is found in    (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 11

Although most DNA is packaged in chromosomes within the nucleus, mitochondria also have a small amount of their own DNA. This genetic material is known as mitochondrial DNA or mtDNA

SSC CGL Previous Year Questions: General Science - 6 - Question 12

Animal protein is called first class protein because it is    (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 12

First class proteins contain all the essential amino acids in sufficient amounts.Animal proteins obtained from milk, egg, fish, meat etc. are first class proteins. These are also called adequate proteins.

SSC CGL Previous Year Questions: General Science - 6 - Question 13

It is easy to burst a gas filled balloon with a needle than with a nail. It is because     (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 13

Needle exerts more pressure than nail on the balloon.

SSC CGL Previous Year Questions: General Science - 6 - Question 14

The velocity of sound in moist air is more than in dry air because the moist air has    (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 14

The speed of sound is greater in moist air than in dry air because moist air have larger density than dry air. Velocity of sound is directly proportional to the density of the medium in which it travels.

SSC CGL Previous Year Questions: General Science - 6 - Question 15

X–rays can be used (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 15

X rays are frequently used to check the defects in Diamonds and other precious stones

SSC CGL Previous Year Questions: General Science - 6 - Question 16

Ice is packed in saw dust because (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 16

When ice is kept on saw dust then it does not melt quickly as it's an insulator of heat and air does not circulate in good insulators. So, it prevents ice from melting quickly .

SSC CGL Previous Year Questions: General Science - 6 - Question 17

What happens when a drop of glycerol is added to crushed KMnO4 spread of a paper ? (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 17

When a drop of Glycerol is added to crushed KMnO4 spread on a paper there is a violent explosion.

SSC CGL Previous Year Questions: General Science - 6 - Question 18

Most commonly used bleaching agent is   (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 18

A bleaching agent is a material that lightens or whitens a substrate through chemical reaction. The most common bleaching agents generally fall into two categories: chlorine and its related compounds (such as sodium hypochlorite) and the peroxygen bleaching agents, such as hydrogen peroxide and sodium perborate.

SSC CGL Previous Year Questions: General Science - 6 - Question 19

The least penetrating power ray is     (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 19

Alpha particles are the least penetrating as they are the most densely ionizing. The penetrating power of nuclear radiation depends upon the ionizing power of the radiation. The more localised the ionization the less penetrating power it will possess.

SSC CGL Previous Year Questions: General Science - 6 - Question 20

Hydrogen peroxide is an effective sterilizing agent. Which one of the following product results when it readily loses active oxygen ? (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 20

Hydrogen- peroxide is an effective sterilizing agent. Water results when it readily loses active oxygen.

SSC CGL Previous Year Questions: General Science - 6 - Question 21

The maximum fixation of solar energy is done by     (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 21

The maximum fixation of solar energy is done by green plants.The energy is stored in the plants as carbohydrates for their metabolic activities as growth,respiration etc.

SSC CGL Previous Year Questions: General Science - 6 - Question 22

The term 'brown air' is used for    (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 22

The term 'brown air' is used for photochemical smog. The brown color is cause by the presence of a various Nitrous Oxides.

SSC CGL Previous Year Questions: General Science - 6 - Question 23

Peroxyacetyl nitrate is a     (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 23

Peroxyacetyl nitrate is a secondary pollutant present in photochemical smog. It is thermally unstable and decomposes into peroxyethanoyl radicals and nitrogen dioxide gas.

SSC CGL Previous Year Questions: General Science - 6 - Question 24

Which of the following particles has the dual nature of particle–wave ?    (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 24

Wave particle duality is a quantum mechanics effect. It means the electron sometimes acts like a particle and sometimes it acts like a wave. It depends on the situations.

SSC CGL Previous Year Questions: General Science - 6 - Question 25

The metal ion present in vitamin B12 is (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 25

Vitamin B12 consists of a class of chemically related compounds (vitamers). It contains the biochemically rare element cobalt.

SSC CGL Previous Year Questions: General Science - 6 - Question 26

Who of the following has given the term rhizosphere    (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 26

In 1904 the German agronomist and plant physiologist Lorenz Hiltner first coined the term "rhizosphere" to describe the plant-root interface, a word originating in part from the Greek word "rhizo", meaning root. Hiltner described the rhizosphere as the area around a plant root that is inhabited by a unique population of microorganisms influenced, he postulated, by the chemicals released from plant roots.

SSC CGL Previous Year Questions: General Science - 6 - Question 27

Reverse transcription was discovered by    (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 27

Reverse transcription were discovered by Howard Temin and independently isolated by David Baltimore.

SSC CGL Previous Year Questions: General Science - 6 - Question 28

Burns caused by steam are much more severe than those caused by boiling water because:    (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 28

Steam will produce more severe burns than boiling water because steam has more heat energy than water due to its latent heat of vaporisation.

SSC CGL Previous Year Questions: General Science - 6 - Question 29

Which among the following is the sweetest sugar?   (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 29

Fructose is the sweetest of all natural sugar types.

SSC CGL Previous Year Questions: General Science - 6 - Question 30

Ultra purification of a metal is done by :    (SSC CGL 1st Sit. 2015)

Detailed Solution for SSC CGL Previous Year Questions: General Science - 6 - Question 30

Zone melting, any of a group of techniques used to purify an element or a compound or control its composition by melting a short region (i.e. zone) and causing this liquid zone to travel slowly through a relatively long ingot, or charge, of the solid.

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