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Imp RRB ALP Science Questions

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Question 1

Optical fibre works on which of the following principle of light?

Question 2

What is the SI unit of Young’s modulus of elasticity?

Question 3

The matter that supports the sound is called ________.

Question 4

The fuse in an electric circuit is connected in

Question 5

Electric Motor converts _____ energy to mechanical energy.

Question 6

Who was the first to use radio waves to detect "the presence of distant metallic objects"?

Question 7

Which of the following elements has the lowest melting point?

Question 8

Fe has 26 protons in its nucleus. What are the number of electrons in Fe²+ (II) ion?

Question 9

Which of the following is a radioactive element?

Question 10

Tamarindus indica is the scientific name of __________.

Question 11

Air has maximum proportion of which inert gas?

Question 12

Which of the gas is not known as greenhouse gas?

Question 13

Which of the following are longest cells of human body?

Question 14

Which organ is affected by Pneumonia disease?

Question 15

Bio-fertilizers convert nitrogen to ______ .

Question 16

Which one of the following is a carbohydrate?

Question 17

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

Question 18

The function of haemoglobin in the body is

Question 19

Kidney stones are composed of _______.

Question 20

The word CNG in the transport network system stands for

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Mar 12SSC & Railway