Balogun Mojeed


MCQ Biology - Learning Biology through MCQs

Biology Multiple Choice Questions and Answers for Different Competitive Exams

Multiple Choice Questions on Photosynthesis

16. The process of Photosynthesis is


a) Reductive, exergonic and catabolic

b) Reductive, endergonic and catabolic

c) Reductive, endergonic and anabolic

d) Reductive, exergonic and anabolic

17. A photosynthetic organism which does not release oxygen is

a) Blue green algae

b) Green alga

c) Green sulphur Bacterium

d) Lichen

18. Who was the first to study the influence of light during photosynthesis?

a) Van Niel

b) Blackmann

c) Warburg

d) J. Ingenhouz

19. 90% of the total photosynthesis is carried out by

a) algae

b) Mesophytes

c) Pteridophytes

d) Xerophytes

20. An essential process connected with photosynthesis is

a) Synthesis of glucose

b) Photolysis of water

c) Photophosphorylation

d) Breakdown of glucose

21. The site of Dark reaction of photosynthesis is

a) grana

b) stroma

c) thaylakoids

d) Both (a) and (b)

22. Which of the following is least effective in photosynthesis?

a) Blue light

b) Green light

c) Red light

d) Sunlight

23. The hydrogen donor in bacterial photosynthesis is usually

a) Water

b) Ammonia

c) Sulphur

d) Hydrogen sulphide

24. The percentage of light energy fixed in photosynthesis is generally around

a) 0.1 %

b) 1 %

c) 10%

d) 100%

25. Light is necessary in the process of photosynthesis to

a) Split carbon dioxide

b) Produce ATP and a reducing substance

c) Release energy

d) combine carbon dioxide and water


16. d) Reductive, endergonic and anabolic

17. c) Green sulphur Bacterium

18. d) J. Ingenhouz

19. a) algae

20. b) Photolysis of water

21. b) stroma

22. b) Green light

23. d) Hydrogen sulphide

24. b) 1 %

25. b) Produce ATP and a reducing substance

Learn more: MCQ on Photosynthesis (Questions 1- 15)



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