NSO Level 1- Science Olympiad (SOF) Class 9: Questions 17 - 22 of 1128

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Question 17

Question

MCQ▾

Chemiosmosis is

Choices

Choice (4)Response

a.

Movement of water molecules across a semipermeable membrane along the proton gradient

b.

Movement of proteins across a semipermeable membrane along the proton gradient

c.

Movement of ions across a semipermeable membrane along the proton gradient

d.

Question does not provide sufficient data or is vague

Question 18

Question

MCQ▾

Ribosome is made up of how many units?

Choices

Choice (4)Response

a.

2

b.

1

c.

4

d.

3

Question 19

Question

MCQ▾

In facilitated diffusion which of the following is required?

Choices

Choice (4)Response

a.

Secondary messenger

b.

Protein carrier

c.

ATP

d.

None of the above

Question 20

Question

MCQ▾

Extensive compartmentalization of cytoplasm is characteristics of

Choices

Choice (4)Response

a.

Prokaryotic cells

b.

Viruses

c.

Eukaryotic Cells

d.

All a., b. and c. are correct

Question 21

Question

MCQ▾

Which of the following does not have mitochondria?

Choices

Choice (4)Response

a.

Kidney cells

b.

Erythrocytes

c.

Heart cells

d.

Brain cells

Question 22

Question

Match List-Ⅰ List-Ⅱ▾

Match the followings:

List-Ⅰ (Group I)List-Ⅱ (Group II)
(A)

Plasmid

(i)

Capsid

(B)

80S Ribosome

(ii)

Eukaryotes

(C)

Virus

(iii)

Prokaryotes

(D)

70S Ribosome

(iv)

Bacteria

Choices

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

a.

  • (iv)
  • (ii)
  • (i)
  • (iii)

b.

  • (iii)
  • (iv)
  • (i)
  • (ii)

c.

  • (i)
  • (iv)
  • (iii)
  • (ii)

d.

  • (ii)
  • (i)
  • (iii)
  • (iv)

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