NSO Level 1- Science Olympiad (SOF) Class 9: Questions 257 - 262 of 1123

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Question number: 257

» Biology » Improvement in Food Resources

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MCQ▾

Question

DNA is cut due to

Choices

Choice (4) Response

a.

Ligase

b.

Endonuclease

c.

Topoisomerase

d.

Helicase

Question number: 258

» Biology » Natural Resources

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MCQ▾

Question

Hydrological cycle includes

Choices

Choice (4) Response

a.

Precipitation

b.

Evaporation

c.

Condensation

d.

All a. , b. and c. are correct

Question number: 259

» Biology » Natural Resources

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MCQ▾

Question

What percent of water on Earth is saline in nature?

Choices

Choice (4) Response

a.

10%

b.

30%

c.

50%

d.

97%

Question number: 260

» 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)

Shale

(i)

Limestone

(B)

Limestone

(ii)

Sedimentary rock

(C)

Marble

(iii)

Igneous rock

(D)

Granite

(iv)

CaCo3

Choices

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

a.

  • (ii)
  • (iv)
  • (iii)
  • (i)

b.

  • (i)
  • (iv)
  • (iii)
  • (ii)

c.

  • (ii)
  • (iii)
  • (i)
  • (iv)

d.

  • (ii)
  • (iv)
  • (i)
  • (iii)

Question number: 261

» 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)

Nitrifying bacteria

(i)

Outermost layer of Earth

(B)

Soil erosion

(ii)

Converts atmospheric nitrogen into nitrites and nitrates

(C)

Crust

(iii)

Depletion of oxygen from the aquatic reservoir due to algal bloom

(D)

Eutrophication

(iv)

Removal of top layers of soil

Choices

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

a.

  • (i)
  • (iii)
  • (iv)
  • (ii)

b.

  • (i)
  • (ii)
  • (iv)
  • (iii)

c.

  • (ii)
  • (iv)
  • (i)
  • (iii)

d.

  • (ii)
  • (i)
  • (iii)
  • (iv)

Question number: 262

» Biology » Tissues

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MCQ▾

Question

Which of the following tissue has the capability of cell division?

Choices

Choice (4) Response

a.

Apical Meristem

b.

Sclerenchyma

c.

Parenchyma

d.

Xylem

Developed by: