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Important Questions Test: Water


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10 Questions MCQ Test Science & Technology for UPSC CSE | Important Questions Test: Water

Important Questions Test: Water for UPSC 2022 is part of Science & Technology for UPSC CSE preparation. The Important Questions Test: Water questions and answers have been prepared according to the UPSC exam syllabus.The Important Questions Test: Water MCQs are made for UPSC 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Important Questions Test: Water below.
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Important Questions Test: Water - Question 1

Water is a/an

Detailed Solution for Important Questions Test: Water - Question 1

Water is a compound consisting of hydrogen and oxygen in fixed ratio.

Important Questions Test: Water - Question 2

The process of changing water vapour into water is called

Detailed Solution for Important Questions Test: Water - Question 2

The process of changing water into water vapour is called condensation.

Important Questions Test: Water - Question 3

Rain is also known as

Detailed Solution for Important Questions Test: Water - Question 3

Rain is also known as precipitation.

Important Questions Test: Water - Question 4

Which of these is not a property of water?

Detailed Solution for Important Questions Test: Water - Question 4

Water is not blue in colour.

Water is colorless because all light (except tiny bit of blue) is reflected back. 

Important Questions Test: Water - Question 5

Loss of water by plants is called

Detailed Solution for Important Questions Test: Water - Question 5

Transpiration is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere. Transpiration is essentially evaporation of water from plant leaves. Transpiration also cools plants, changes osmotic pressure of cells and enables mass flow of mineral nutrients and water from roots to shoots.
Therefore, the correct answer is option A.

Important Questions Test: Water - Question 6

The purest form of water is

Detailed Solution for Important Questions Test: Water - Question 6

The purest form of water is rain water as no impurities is present in it.But when it comes to earth, the gases present in the atmosphere gets mixed with it and hence makes it impure but rainwater is pure when it fells from clouds.

Important Questions Test: Water - Question 7

An example of underground water is

Detailed Solution for Important Questions Test: Water - Question 7

Well is underground source of water while river, lake and sea are surface source of water.

Important Questions Test: Water - Question 8

Gaseous state of water is

Detailed Solution for Important Questions Test: Water - Question 8

The gaseous state of water is vapour form by evaporation or boiling the water.

Important Questions Test: Water - Question 9

Envelop of air around the earth is called

Detailed Solution for Important Questions Test: Water - Question 9

The thick envelop of air around the earth is called atmosphere, which contain nitrogen and oxygen gas mainly.

Important Questions Test: Water - Question 10

Which of the following substance is found in all three states in nature?

Detailed Solution for Important Questions Test: Water - Question 10

Water is the only substance, which is found in all three states in nature.

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