NSO Level 1- Science Olympiad (SOF) Class 9: Questions 190 - 194 of 1123

Access detailed explanations (illustrated with images and videos) to 1123 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

Question number: 190

» Biology » Improvement in Food Resources

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match the following.

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Ligase

(i)

Genetic engineering

(B)

BT cotton plant

(ii)

Source of plasmid

(C)

Plasmid

(iii)

Joining of DNA strand

(D)

Bacteria

(iv)

Insect resistant plant

Choices

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

a.

  • (iii)
  • (iv)
  • (i)
  • (ii)

b.

  • (iii)
  • (ii)
  • (i)
  • (iv)

c.

  • (iii)
  • (iv)
  • (ii)
  • (i)

d.

  • (ii)
  • (i)
  • (iv)
  • (iii)

Question number: 191

» Biology » Natural Resources

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match the following.

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Red data book

(i)

Collection of endangered plants and animals

(B)

Gene bank

(ii)

Having reducing number

(C)

Endangered species

(iii)

Renewable source of energy

(D)

Hydrological energy

(iv)

Conservation of plants and animals outside their natural habitats

Choices

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

a.

  • (iii)
  • (i)
  • (iv)
  • (ii)

b.

  • (i)
  • (iv)
  • (ii)
  • (iii)

c.

  • (i)
  • (ii)
  • (iv)
  • (iii)

d.

  • (iv)
  • (i)
  • (ii)
  • (iii)

Question number: 192

» Biology » Natural Resources

Edit
MCQ▾

Question

Pedosphere is

Choices

Choice (4) Response

a.

Exists at the interface of atmosphere, hydrosphere, biosphere and lithosphere

b.

Outermost layer of Earth

c.

Responsible for soil formation

d.

All a. , b. and c. are correct

Question number: 193

» Biology » Natural Resources

Edit
MCQ▾

Question

Contents of the top soil are

Choices

Choice (4) Response

a.

Small soil particles

b.

Bacteria and decomposers

c.

Humus

d.

All a. , b. and c. are correct

Question number: 194

» Biology » Natural Resources

Edit
MCQ▾

Question

10 % rule states that

Choices

Choice (4) Response

a.

at each trophic level 10 % energy is lost

b.

90 % energy is utilized by organisms for growth, respiration, repair and development or is lost as heat

c.

at each trophic level 90 % energy is lost and only 10 % energy is carried forward to next trophic level

d.

Both b. and c. are correct

Developed by: