NSO Level 1- Science Olympiad (SOF) Class 1: Questions 98 - 103 of 307

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Question number: 98

» Air and Water

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match the columns and select the correct option.

List-Ⅰ (Column-1)List-Ⅱ (Column-2)

(A)

Germs

(i)

Can make us sick.

(B)

Water filters

(ii)

Kills all type of germs

(C)

Boiling water

(iii)

Remove impurities of water.

(D)

Windmills

(iv)

Uses to generate an electricity.

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (i)
  • (iii)
  • (iv)
  • (ii)

b.

  • (iv)
  • (iii)
  • (ii)
  • (i)

c.

  • (iii)
  • (ii)
  • (iv)
  • (i)

d.

  • (i)
  • (iii)
  • (ii)
  • (iv)

Question number: 99

» Air and Water

Edit
MCQ▾

Question

Humans, animals, plants needs ________ to breathe.

Choices

Choice (4)Response

a.

Air

b.

Food

c.

Water

d.

None of the above

Question number: 100

» Air and Water

Edit
MCQ▾

Question

People used to do ________ to prevent drinking dirty water.

Choices

Choice (4)Response

a.

Filtering

b.

Boiling

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 101

» Air and Water

Edit
MCQ▾

Question

Which of the following statement is INCORRECT?

Choices

Choice (4)Response

a.

We can see air.

b.

We can feel air.

c.

Air takes up space.

d.

None of the above

Question number: 102

» Air and Water

Edit
MCQ▾

Question

Which is the most important gas available in air for humans and animals?

Choices

Choice (4)Response

a.

Hydrogen

b.

Dust

c.

Oxygen

d.

Smoke

Question number: 103

» Air and Water

Edit
MCQ▾

Question

When we boil ________ water, the germs ________. Then it is ________ for us to drink it.

Choices

Choice (4)Response

a.

Clean, Alive, Safe

b.

Clean, Die, Unsafe

c.

Dirty, Die, Safe

d.

Dirty, Alive, Unsafe

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