Photosynthesis (Photosynthesis as a means of Autotrophic Nutrition; Site of Photosynthesis take place; Pigments involved in Photosynthesis (Elementary idea); Photochemical and Biosynthetic Phases of Photosynthesis; Cyclic and Non Cyclic and Photophosphorylation...) NEET Questions

Biology - Plant Physiology

Photosynthesis (Photosynthesis as a means of Autotrophic Nutrition; Site of Photosynthesis take place; Pigments involved in Photosynthesis (Elementary idea); Photochemical and Biosynthetic Phases of Photosynthesis; Cyclic and Non Cyclic and Photophosphorylation...) MCQ Questions


13.
Which of the following is not a part of the Calvin cycle?
A.
Carboxylation
B.
Reduction
C.
Regeneration
D.
Light absorption
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ANSWER :
D. Light absorption
14.
In photorespiration, the enzyme RuBisCO acts as:
A.
Carboxylase
B.
Oxygenase
C.
Both A and B
D.
Neither
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ANSWER :
C. Both A and B
15.
Which of the following is a characteristic of C4 plants?
A.
Single type of chloroplast
B.
Kranz anatomy
C.
Low water use efficiency
D.
Thick cuticle
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ANSWER :
B. Kranz anatomy
16.
In CAM plants, COâ‚‚ is initially fixed at:
A.
Day
B.
Night
C.
Evening
D.
Morning
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ANSWER :
B. Night
17.
Which pigment transfers energy directly to chlorophyll a in the photosystem?
A.
Chlorophyll b
B.
Carotenoids
C.
Xanthophyll
D.
Anthocyanin
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ANSWER :
A. Chlorophyll b
18.
During non-cyclic photophosphorylation, electrons lost from PSII are replaced by:
A.
Water
B.
NADPH
C.
Oxygen
D.
PSI
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ANSWER :
A. Water