Biology MCQs

Biology

Bio - Energetics


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#17

Light absorbing pigments in photosystem first is:

A) P 600

B) P 680

C) P 700

D) P 760

Answer:   C
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#18

"Photo-phosphorylation" is:

A) ATP synthesis by food energy.

B) ATP synthesis by solar energy.

C) ATP synthesis by source of water.

D) ATP synthesis by source of NADH2

Answer:   B
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#19

Chemiosmosis occurs in the:

A) Grana

B) Stroma

C) Thylakoids

D) Inter Grana

Answer:   C
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#20

Dark reaction gets completed by the regeneration of:

A) PGA

B) PGAL

C) RUBP

D) RUBISCO

Answer:   C
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#21

Stroma of chloroplasts carries the fixation of:

A) N2

B) O2

C) CO2

D) NH3

Answer:   C
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#22

Stroma of chloroplast carries the fixation of:

A) Nitrogen

B) Oxygen

C) Carbon monoxide

D) Carbon dioxide

Answer:   D
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#23

Calvin cycle takes place within:

A) Stroma of chloroplasts

B) Granum of the chloroplast

C) Cytoplasm of the cell

D) Mitochondria

Answer:   A
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#24

Glycolysis completes with the net gain of:

A) 2 ATP

B) 3 ATP

C) 4 ATP

D) 32 ATP

Answer:   A
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