Photosynthesis in Higher Plants MCQ Practice Test

Question 1

The oxygen released during photosynthesis comes from:

Accepted Answer

Water

Answer

Carbon dioxide

Answer

Glucose

Answer

Chlorophyll

Question 2

Priestley's experiments with a candle, mouse and mint plant established that:

Accepted Answer

Plants restore air that burning/breathing fouls

Answer

Light is needed for growth

Answer

CO₂ is released by plants

Answer

Chlorophyll absorbs red light

Question 3

The first action spectrum of photosynthesis was described by:

Accepted Answer

T.W. Engelmann

Answer

Joseph Priestley

Answer

Julius von Sachs

Answer

Melvin Calvin

Question 4

Which is NOT one of the four pigments separated from a leaf?

Accepted Answer

Phycoerythrin

Answer

Chlorophyll a

Answer

Chlorophyll b

Answer

Carotenoids

Question 5

The reaction centre chlorophyll of Photosystem I is called:

Accepted Answer

P700

Answer

P680

Answer

P870

Answer

P960

🦠 Photosynthesis in Higher Plants MCQs