These Photosynthesis MCQ with answers focuses on the anatomy of the photosynthetic hardware and the different responses that change light energy into chemical energy. Let us discuss about some important Photosynthesis in Higher Plants MCQs and Answers.
Photosynthesis MCQ with answers pdf Download
1 Oxygen containing carotenoids are
(A)
Carotenes
(B)
Xanthophylls
(C)
Phycobilins
(D)
Anthocyanins
2 Oxygen liberated during photosynthesis comes from
(A) CO2
(B) Glucose
(C) H2O
(D) Fructose
3 P700 is a special from of which pigment
(A) Chlorophyll-b
(B) Carotenes
(C) Chlorophyll-a
(D) Phycobilins
4 Path of dark reaction of photosynthesis was traced through the use of
(A) 32P
(B) 14CO2
(C) 18O2
(D) X-rays
5 In the calvin cycle, the assimilatory power is used during
(A) Formation of PGA
(B) Conversion of PGA to PGAL
(C) Formation of fructose 1-6 diphsophate from PGAL
(D) Formation of glucose from fructose – di- phosphate
Answer: Conversion of PGA to PGAL
6 Unidirectional flow of e- in non-cyclic photophosphorylation is
(A) PS II — e- —> PS I — e- —> NADP — e- —> water
(B) Water — e- —> PSII — e- —> PS I — e- —> NADP
(C) PS I — e- —> NADP — e- —> water — e- —> PS II
(D) Water — e- —> PS I — e- —> PS II — e- —> NADP
Answer: Water — e- —> PSII — e- —> PS I — e- —> NADP
7 Which is sensitive to longer wavelength of light?
(A) Photolysis
(B) PSI
(C) PS II
(D) Photophosphorylation
8 Phytol tail is present at
(A) 3rd carbon of IInd ring
(B) 2nd carbon of IIIrd ring
(C) 7th carbon of IVth ring
(D) 3rd carbon of IVth ring
Answer:3rd carbon of IVth ring
9 Reduction of co-enzyme NADP depends on
(A) Reduction of CO2
(B) Evolution of O2
(C) Photolysis of water
(D) Formation of ATP
Answer:Photolysis of water
10 Loculus is the internal space of
(A) Grana
(B) Stroma
(C) Thylakoid
(D) Quantasome
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