81.
Which of the following plants can carry out photosynthesis even at - 20%C/ below freezing point
A
Palms
B
Marine algae
C
Diatoms
D
Lichesn
Answer :
Lichesn
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82.
A process that makes important difference between $${C_3}$$ and $${C_4}$$ plants is:
A
Transpiration
B
Glycolysis
C
Photosynthesis
D
Photorespiration
Answer :
Photorespiration
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83.
Respiration and photosynthesis both require
A
Green cells
B
Sunlights
C
Cytochromes
D
Organic fuel
Answer :
Cytochromes
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84.
Tropical plants like sugarcane show high efficiency of CO2 fixation because of
A
Calving cycle
B
Hatch-Slack cycle
C
Cyclic phtophosphorylation
D
TCA Cycle
Answer :
Hatch-Slack cycle
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85.
Primary receptor of CO2 in photosynthesis is
A
Phosphoric acid
B
Ribulose phosphate
C
Glucose
D
Ribulose-1, 5- biphosphate
Answer :
Ribulose-1, 5- biphosphate
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86.
Which of the following carries out non-oxygenic photosynthesis
A
Cyanobacteria
B
Crab grass
C
Bacteria
D
Wheat plant
Answer :
Bacteria
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87.
The principle of limiting factor was given by
A
Hill
B
F.F. Black man
C
Will statter and stool
D
Calvin
Answer :
F.F. Black man
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88.
Carbon dioxide joins the photosynthetic pathway in
A
PS I
B
PS II
C
Light reaction
D
Dark reaction
Answer :
Dark reaction
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89.
The oxygenation activity of RuBisCo enzyme in photorespiration leads to the formation of
A
1 molecule of 3-C compound
B
1 molecule of 6-C compound
C
1 molecule of 4-C compound and 1 molecule of 2-C compound
D
2 molecules of 3-C compound
Answer :
1 molecule of 3-C compound
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90.
In C4 pathway the fixation of CO32 by PEP Case occurs in
A
Palisade tissue
B
Mesophyll
C
Bundle sheath
D
Gaurd cell
Answer :
Mesophyll
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