NSO Level 1- Science Olympiad (SOF) Class 3: Questions 380 - 383 of 504

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Question number: 380

» Water

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MCQ▾

Question

Rekha uses water for drinking which was used to removal of salt from sea water. This process is called ________.

Choices

Choice (4)Response

a.

Condensation

b.

Pollution

c.

Desalination

d.

Evaporation

Question number: 381

» Transport and Communication

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MCQ▾

Question

Which of the following is not a means of mass communication?

(m) Newspaper

(n) Radio

(o) Telephone

(p) Internet

Which are the correct choices?

Choices

Choice (4)Response

a.

n and o

b.

m, n, o and p

c.

m, n and p

d.

Only o

Question number: 382

» Water

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MCQ▾

Question

Mitesh took some water in a kettle and heated it. After sometime he observed steam coming out of the kettle. He brought a steel plate near the steam as shown in the figure. He observed water droplets on the surface of the plate after sometime. Due to which of these processes water droplets appeared on the surface of the plate?

Diagram shows water in a kettle and heated into stove

Diagram Shows Water in a Kettle and Heated into Stove

Choices

Choice (4)Response

a.

Sublimation

b.

Evaporation

c.

Condensation

d.

Filtration

Question number: 383

» Water

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MCQ▾

Question

Water drops form the sky as rain. Where does all this water go?

Image shows water drops from the sky as rain

Image Shows Water Drops from the Sky as Rain

1. It is absorbed into the soil

2. The plants absorb the water.

3. It collects into the oceans and rivers

4. It collects into the ponds and reservoirs.

Choices

Choice (4)Response

a.

1 and 2

b.

2 and 3

c.

1 and 3

d.

1,2, 3 and 4

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