NSO Level 1- Science Olympiad (SOF) Class 9: Questions 140 - 144 of 1123

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Question number: 140

» Biology » Natural Resources

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MCQ▾

Question

Acid rain

Choices

Choice (4)Response

a.

has pH 4

b.

causes excess acidity in the field which can be neutralized by adding lime

c.

is precipitation with acidic compound like SO2 and HNO3

d.

All a. , b. and c. are correct

Question number: 141

» 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)

Herbicide resistant plant

(i)

Can withstand with herbicides

(B)

Insect resistant plant

(ii)

Kills insects feeding on them

(C)

Drought resistant plant

(iii)

Avoid competition with weed by killing it

(D)

Weed resistant plant

(iv)

Can withstand drought

Choices

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

a.

  • (ii)
  • (iv)
  • (i)
  • (iii)

b.

  • (iv)
  • (iii)
  • (i)
  • (ii)

c.

  • (ii)
  • (iii)
  • (iv)
  • (i)

d.

  • (i)
  • (ii)
  • (iv)
  • (iii)

Question number: 142

» Biology » Improvement in Food Resources

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MCQ▾

Question

Which of the following is an example of micronutrients in plants?

Choices

Choice (4)Response

a.

Manganese

b.

Copper

c.

Molybdenum

d.

All a. , b. and c. are correct

Question number: 143

» Biology » Natural Resources

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MCQ▾

Question

Ozone hole is

Choices

Choice (4)Response

a.

Hole in ozone layer

b.

Hole in all the atmospheric layers

c.

Thinning of ozone layer

d.

Question does not provide sufficient data or is vague

Question number: 144

» Biology » Natural Resources

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MCQ▾

Question

Biodiversity means

Choices

Choice (4)Response

a.

Diversity of different species of plants in given area

b.

Diversity of different species of animals in given area

c.

Diversity of different species of animals and plants in given area

d.

Question does not provide sufficient data or is vague

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