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General Knowledge Mock Test - 3 - CDS MCQ


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30 Questions MCQ Test CDS (Combined Defence Services) Mock Test Series 2024 - General Knowledge Mock Test - 3

General Knowledge Mock Test - 3 for CDS 2024 is part of CDS (Combined Defence Services) Mock Test Series 2024 preparation. The General Knowledge Mock Test - 3 questions and answers have been prepared according to the CDS exam syllabus.The General Knowledge Mock Test - 3 MCQs are made for CDS 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for General Knowledge Mock Test - 3 below.
Solutions of General Knowledge Mock Test - 3 questions in English are available as part of our CDS (Combined Defence Services) Mock Test Series 2024 for CDS & General Knowledge Mock Test - 3 solutions in Hindi for CDS (Combined Defence Services) Mock Test Series 2024 course. Download more important topics, notes, lectures and mock test series for CDS Exam by signing up for free. Attempt General Knowledge Mock Test - 3 | 120 questions in 120 minutes | Mock test for CDS preparation | Free important questions MCQ to study CDS (Combined Defence Services) Mock Test Series 2024 for CDS Exam | Download free PDF with solutions
General Knowledge Mock Test - 3 - Question 1

Consider the following vitamins —
1. Niacin
2. Pyridoxine
3. Riboflavin
4. Thiamine

Q. Which of these are water soluble vitamins —

Detailed Solution for General Knowledge Mock Test - 3 - Question 1

Eight of the water-soluble vitamins are known as the vitamin B-complex group: thiamin (vitamin B1), riboflavin (vitamin B2), niacin (vitamin B3), vitamin B6 (pyridoxine), folate (folic acid), vitamin B12, biotin and pantothenic acid. The B vitamins are widely distributed in foods, and their influence is felt in many parts of the body.

General Knowledge Mock Test - 3 - Question 2

In the context of ecology and environment, what does the Red Data Book pertain to?

Detailed Solution for General Knowledge Mock Test - 3 - Question 2

Red Data Book is related with a complete list of all endangered species.

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General Knowledge Mock Test - 3 - Question 3

Which of the following is not a bird?

Detailed Solution for General Knowledge Mock Test - 3 - Question 3

Bat is mammal not a bird.

General Knowledge Mock Test - 3 - Question 4

Match the following lists.

General Knowledge Mock Test - 3 - Question 5

Which of the following part of blood carry out the function of body defence?

Detailed Solution for General Knowledge Mock Test - 3 - Question 5

White blood cells (WBC) bring out the function of body defence.

General Knowledge Mock Test - 3 - Question 6

Match the following

General Knowledge Mock Test - 3 - Question 7

Which one of the following is not an insect borne disease?

Detailed Solution for General Knowledge Mock Test - 3 - Question 7

Beri-Beri is not insect borne disease. It is caused by the deficiency of vitamin- B1 or thiamine.

General Knowledge Mock Test - 3 - Question 8

Which of the following gases is released from rice fields in the most prominent quantities?

Detailed Solution for General Knowledge Mock Test - 3 - Question 8

Methane (CH4) is produced in rice fields in the most prominent quantities. Because when organic matter decomposes without O2 in the water logged rice paddies, bacteria in the water produce methane.

General Knowledge Mock Test - 3 - Question 9

Consider the following statements.
1. Cigarette smoking exposes a person to benzene.
2. Benzene is a known carcinogen.

Q. Which of the statements given above is/are correct?

Detailed Solution for General Knowledge Mock Test - 3 - Question 9

The carcinogen is any substance causing cancer. Benzene (C6 H6) is casue of bone marrow failure.

General Knowledge Mock Test - 3 - Question 10

Which one of the following glands produces the growth hormone (somatotrophin)?

Detailed Solution for General Knowledge Mock Test - 3 - Question 10

Somatotrophin is produced by the anterior pituitary. It is a peptide hormone that induces growth, cell reproduction and regeneration.

General Knowledge Mock Test - 3 - Question 11

The phenomenon of mirage occurs due to which one of the following?

Detailed Solution for General Knowledge Mock Test - 3 - Question 11

Total internal reflection is responsible for mirage formation in deserts.

General Knowledge Mock Test - 3 - Question 12

Which one of the following common devices works on the basis of the principle of mutual induction?

Detailed Solution for General Knowledge Mock Test - 3 - Question 12

Transformer is based on the principle of mutual induction.

General Knowledge Mock Test - 3 - Question 13

Television signal cannot be received generally beyond a particular distance due to

Detailed Solution for General Knowledge Mock Test - 3 - Question 13

Curvature of the earth does not allow the television signals to be received beyond a particular distance.

General Knowledge Mock Test - 3 - Question 14

If a small raindrop falls through air

Detailed Solution for General Knowledge Mock Test - 3 - Question 14

Velocity of raindrop increases until it reaches the terminal velocity.

General Knowledge Mock Test - 3 - Question 15

Consider the following statements
X-rays
1. Can pass through aluminum.
2. Can be deflected by magnetic field.
3. Move with a velocity less than the velocity of ultraviolet ray in vacuum.

Detailed Solution for General Knowledge Mock Test - 3 - Question 15

X-rays cannot be deflected by magnetic field as they consists of no charge.

General Knowledge Mock Test - 3 - Question 16

Which one of the following is the permissible level of noise in a silent zone at day time?

Detailed Solution for General Knowledge Mock Test - 3 - Question 16

The permissible level is 50 dB.

General Knowledge Mock Test - 3 - Question 17

By which one of the following, an old written material which cannot be read easily, can be read

Detailed Solution for General Knowledge Mock Test - 3 - Question 17

Infrared rays helps in reading an old written material.

General Knowledge Mock Test - 3 - Question 18

Earthquake (shock) waves are

Detailed Solution for General Knowledge Mock Test - 3 - Question 18

An Earthquake is the result of a sudden release of energy in the Earth’s crust that creates seismic waves.

General Knowledge Mock Test - 3 - Question 19

Laser is a device to produce

Detailed Solution for General Knowledge Mock Test - 3 - Question 19

A laser is a device that emits coherent light through a process called stimulated emission.

General Knowledge Mock Test - 3 - Question 20

A perfect black body has the unique characteristic feature as

Detailed Solution for General Knowledge Mock Test - 3 - Question 20

The correct answer is C good absorber and a good radiator.
Key Points

  • A perfectly black body: A body that absorbs the entire radiation incident on it is called a perfectly black body.
    • The ratio of heat absorbed (radiation) to total incident radiation for a body is called absorptive power (a) of the body. It has no unit.
    • White colour is a bad absorber and good reflectors of heat radiation while black colour is good absorbers and bad reflectors of heat.
    • The ratio of emissive power and absorptive power of a body is always the same.
    • ​​It is equal to the emissive power of a black body. This is known as Kirchhoff’s law.
General Knowledge Mock Test - 3 - Question 21

A α-particle consists of which of the following?

Detailed Solution for General Knowledge Mock Test - 3 - Question 21

An α-particle is identical with helium nuclei. It consists of 2 protons and 2 neutrons and represented by 2He4 .

General Knowledge Mock Test - 3 - Question 22

Which one of the following substances is made from natural raw materials?

Detailed Solution for General Knowledge Mock Test - 3 - Question 22

Rayon is made from naturally occurring cellulose. Rayon is also called artificial silk.

General Knowledge Mock Test - 3 - Question 23

Which one of the following metals is less reactive than hydrogen?

Detailed Solution for General Knowledge Mock Test - 3 - Question 23

The metals copper, silver gold and platinum are less reactive than hydrogen and they do not replace hydrogen from water or acid.

General Knowledge Mock Test - 3 - Question 24

Consider the following statements
1. Nitric acid is used in the production of fertilizers.
2. Sulphuric acid is used in the production of explosives.

Q. Which of the statements given above is/are correct?

Detailed Solution for General Knowledge Mock Test - 3 - Question 24

Nitric acid is used in the production of fertilizers. The principal chemical produced form nitric acids ammonium nitrate, sulphuric acid is used in the production of explosives like TNT, nitroglycerine, gun cotton, etc.

General Knowledge Mock Test - 3 - Question 25

What is the purpose of adding baking soda to dough?

Detailed Solution for General Knowledge Mock Test - 3 - Question 25

Baking soda has sodium bicarbonate as the chief constituent. It decomposes on heating giving carbon dioxide. This causes dough, cakes, biscuits etc. to expand and become light.

General Knowledge Mock Test - 3 - Question 26

Amnesty International is

Detailed Solution for General Knowledge Mock Test - 3 - Question 26

Amnesty International is a non-governmental organisation focused on human rights. It was founded in London in 1961 by the lawyer Peter Benenson. It draws attention to human rights abuses and campaigns for compliance with international laws and standards.

General Knowledge Mock Test - 3 - Question 27

What is the Jeweller’s rouge?

Detailed Solution for General Knowledge Mock Test - 3 - Question 27

A very fine powder of ferric oxide is known as “jeweler’s rouge”, “red rouge”, or simply rouge. It is used to put the final polish on metallic jewellery and lenses, and historically as a cosmetic.

General Knowledge Mock Test - 3 - Question 28

‘Misch metal’ is widely used in the manufacture of which of the following?

Detailed Solution for General Knowledge Mock Test - 3 - Question 28

‘Misch metal’ alloyed with iron is used in the cigarettes lighters. Misch metal is an alloy of cerium (50%), lanthanum (25%), neodymium (18%), praseodymium (5%) and other rare metals.

General Knowledge Mock Test - 3 - Question 29

What is the pH value of pure water?

Detailed Solution for General Knowledge Mock Test - 3 - Question 29

Pure water is neutral in nature hence; the pH value of pure water is 7.

General Knowledge Mock Test - 3 - Question 30

Match the following

Detailed Solution for General Knowledge Mock Test - 3 - Question 30

1. The Apatani-are a tribal group of people living in the Zero valley in the Lower Subansiri district of Arunachal Pradesh.

2. Bhutia people live particularly in Sikkim.

3. Gond people are a Dravidian people of central India spread over the states of Madhya Pradesh, eastern Maharashtra (Vidarbha), Chhattisgarh, Uttar Pradesh, Telangana and Western Odisha.

4. The Meetei people are an ethnic group of Kangleipak (Manipur).

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