NSO Level 1- Science Olympiad (SOF) Class 9: Questions 149 - 154 of 1123

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Question number: 149

» Biology » Improvement in Food Resources

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MCQ▾

Question

Which of the following results in production alcohol?

Choices

Choice (4) Response

a.

Kreb’s cycle

b.

Electron transport chain

c.

Fermentation

d.

Glycolysis

Question number: 150

» Biology » Natural Resources

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MCQ▾

Question

What is the percentage of fresh water on Earth?

Choices

Choice (4) Response

a.

3%

b.

10%

c.

97%

d.

50%

Question number: 151

» Biology » Natural Resources

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MCQ▾

Question

Which of the following are functions of biosphere reserves?

Choices

Choice (4) Response

a.

Conservation of biodiversity

b.

Sustainable development

c.

Support for logistics

d.

All a. , b. and c. are correct

Question number: 152

» Biology » Improvement in Food Resources

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MCQ▾

Question

Honey bee colony contains which of the following?

Choices

Choice (4) Response

a.

2 queen, few drone, and lots of worker

b.

1 queen, 1 drone, and lots of worker

c.

Many queen, lots drones, and lots of worker

d.

1 queen, few drone, and lots of worker

Question number: 153

» Biology » Natural Resources

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MCQ▾

Question

Role of greenhouse gases is

Choices

Choice (4) Response

a.

To keep Earth’s surface colder

b.

To re-radiate energy absorbed towards the Earth

c.

To keep Earth’s surface warmer

d.

Both b. and c. are correct

Question number: 154

» Biology » Improvement in Food Resources

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Match List-Ⅰ List-Ⅱ▾

Question

Match the following.

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Plasmid

(i)

Fusion/joining with bacterial plasmid

(B)

Selection of transformed bacteria

(ii)

Cutting of desired gene

(C)

Ligase

(iii)

Antibiotic resistant gene

(D)

Restriction enzymes

(iv)

Transfer of desired gene

Choices

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

a.

  • (ii)
  • (i)
  • (iii)
  • (iv)

b.

  • (ii)
  • (iv)
  • (i)
  • (iii)

c.

  • (iv)
  • (iii)
  • (i)
  • (ii)

d.

  • (iii)
  • (i)
  • (ii)
  • (iv)

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