NSO Level 1- Science Olympiad (SOF) Class 9: Questions 243 - 247 of 1128

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Question 243

Question

Match List-Ⅰ List-Ⅱ▾

Match the following.

List-Ⅰ (Column I)List-Ⅱ (Column II)
(A)

GM crops

(i)

Removal of anther

(B)

Honey bee colony

(ii)

1 queen, few drone, and lots of worker

(C)

Emasculation

(iii)

Allergic reactions and toxicity

(D)

Nature of honey

(iv)

Acidic

Choices

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

a.

  • (ii)
  • (i)
  • (iv)
  • (iii)

b.

  • (iii)
  • (ii)
  • (i)
  • (iv)

c.

  • (i)
  • (ii)
  • (iv)
  • (iii)

d.

  • (iv)
  • (i)
  • (ii)
  • (iii)

Question 244

Question

MCQ▾

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 245

Question

Match List-Ⅰ List-Ⅱ▾

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 246

Question

MCQ▾

Which of the following is used in suspension culture?

Choices

Choice (4)Response

a.

Gibberelin

b.

2,4 D

c.

ABA

d.

Ethylene

Question 247

Question

MCQ▾

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

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