NSO Level 1- Science Olympiad (SOF) Class 9: Questions 165 - 169 of 1123

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Question number: 165

» Biology » Natural Resources

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MCQ▾

Question

Afforestation means

Choices

Choice (4)Response

a.

Extensive plantation of trees

b.

Soil erosion

c.

Changes in water pollution

d.

Removal of trees

Question number: 166

» Biology » Improvement in Food Resources

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MCQ▾

Question

Which of the following is an example of bacterial plant pathogen?

Choices

Choice (4)Response

a.

Azospirillum

b.

Azotobacter

c.

Agrobacterium

d.

Rhizobium

Question number: 167

» Biology » Natural Resources

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MCQ▾

Question

Find the correct sequence of herbarium preparation.

Choices

Choice (4)Response

a.

Collection – drying – poisoning - mounting

b.

Collection – mounting – poisoning - pressing

c.

Mounting – collection – drying - pressing

d.

Mounting- drying – pressing - collection

Question number: 168

» Biology » Natural Resources

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MCQ▾

Question

Soil erosion can be prevented by

Choices

Choice (4)Response

a.

Stopping or controlling ranching and grazing by animals

b.

Terracing

c.

Reforestation

d.

All a. , b. and c. are correct

Question number: 169

» Biology » Natural Resources

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Match List-Ⅰ List-Ⅱ▾

Question

Match the following.

List-Ⅰ (Column I)List-Ⅱ (Column II)

(A)

Saline water on Earth

(i)

A type of species constrained to a particular area

(B)

Chipko movement

(ii)

Garhwal

(C)

Biogas

(iii)

97%

(D)

Endemic species

(iv)

Methane

Choices

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

a.

  • (iii)
  • (iv)
  • (i)
  • (ii)

b.

  • (iii)
  • (ii)
  • (iv)
  • (i)

c.

  • (iii)
  • (iv)
  • (ii)
  • (i)

d.

  • (i)
  • (iv)
  • (iii)
  • (ii)

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