NSO Level 1- Science Olympiad (SOF) Class 9: Questions 137 - 142 of 1123

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Question number: 137

» Biology » Improvement in Food Resources

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MCQ▾

Question

Which of the following phytohormones are used in callus culture?

Choices

Choice (4) Response

a.

Ethylene

b.

ABA

c.

Auxin

d.

Auxin and cytokinin

Question number: 138

» Biology » Improvement in Food Resources

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MCQ▾

Question

ITRC is located in

Choices

Choice (4) Response

a.

Lucknow

b.

Mumbai

c.

Delhi

d.

Gujarat

Question number: 139

» Biology » Improvement in Food Resources

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MCQ▾

Question

Hybridoma technology has been used for

Choices

Choice (4) Response

a.

Preparation of monoclonal antibody

b.

Preparation of alcohol

c.

Preparation of methane gas

d.

Preparation of somatic hybrids

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

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