NSO Level 1- Science Olympiad (SOF) Class 9: Questions 244 - 249 of 1123

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Question number: 244

» Biology » Improvement in Food Resources

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MCQ▾

Question

Recombinant DNA means

Choices

Choice (4) Response

a.

DNA with foreign DNA

b.

DNA with histone proteins

c.

DNA with RNA

d.

All of the above

Question number: 245

» 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)

Gir

(i)

Breed of cow

(B)

Pomfret

(ii)

Originally belongs to pakistan

(C)

Tilapia

(iii)

Marine fish

(D)

Red Sindhi

(iv)

Freshwater fish

Choices

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

a.

  • (ii)
  • (i)
  • (iv)
  • (iii)

b.

  • (ii)
  • (i)
  • (iii)
  • (iv)

c.

  • (ii)
  • (iv)
  • (i)
  • (iii)

d.

  • (i)
  • (iii)
  • (iv)
  • (ii)

Question number: 246

» Biology » Improvement in Food Resources

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MCQ▾

Question

Which of the following is used in suspension culture?

Choices

Choice (4) Response

a.

Gibberelin

b.

2,4 D

c.

ABA

d.

Ethylene

Question number: 247

» Biology » Natural Resources

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MCQ▾

Question

Energy flow in ecosystem is

Choices

Choice (4) Response

a.

bi-directional

b.

unidirectional

c.

Multi-directional

d.

Question does not provide sufficient data or is vague

Question number: 248

» 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)

Deforestation

(i)

Costly

(B)

Selective breeding

(ii)

Loss of biodiversity

(C)

Genetic engineering

(iii)

Soil erosion

(D)

Extrachromosomal material

(iv)

Plasmids

Choices

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

a.

  • (iii)
  • (ii)
  • (i)
  • (iv)

b.

  • (ii)
  • (iv)
  • (iii)
  • (i)

c.

  • (i)
  • (iv)
  • (ii)
  • (iii)

d.

  • (ii)
  • (i)
  • (iv)
  • (iii)

Question number: 249

» Biology » Improvement in Food Resources

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MCQ▾

Question

The undifferentiated mass of cells is known as

Choices

Choice (4) Response

a.

Suspension

b.

Tissue

c.

Callus

d.

None of the above

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