61.
Fixation of 1 CO2 requires
A
6NADPH2 & 3ATP
B
2NADP.H2 & 3ATP
C
4 NADP.H2 & 3ATP
D
5 NADP.H2 & 3ATP
Answer :
2NADP.H2 & 3ATP
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62.
Accumulation of food in assimilatory cells result in
A
Increase in the rate of photosynthesis
B
Decrease in the rate of photosynthesis
C
No effect
D
May increase or decrease
Answer :
Decrease in the rate of photosynthesis
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63.
The concentration of CO2 in the atmosphere is approximately
A
0.003%
B
0.03%
C
0.30%
D
3.00%
Answer :
0.03%
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64.
What is the first stable intermediate product of photosynthesis
A
Glucose
B
Formaldehyde
C
Phosphogylceric acid
D
PGAL
Answer :
Phosphogylceric acid
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65.
Term-Apoplast & symplast first used by
A
Clark
B
Munch
C
Dixon
D
Lundegard
Answer :
Munch
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66.
What is the unique process which as supported life on this planet
A
N2 fixation
B
Photosynthesis
C
Protein synthesis
D
Respiration
Answer :
Photosynthesis
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67.
The radiant energy is stored in the form of chemical energy in
A
NADP
B
Stored food
C
RNA
D
DNA
Answer :
Stored food
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68.
Which pair is wrong
A
C3 plant maize
B
Calving cycle-PGA
C
Hatch Slack cycle
D
C4 plant Kranz Anatomy
Answer :
C3 plant maize
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69.
Which of the following absorb light energy for photosynthesis
A
Chlorophyll
B
Water molecule
C
O2 DARK REACTIONS (C3 - PLANTS,
D
RUBP
Answer :
Chlorophyll
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70.
Photosynthesis in $${C_4}$$ plants is relatively less limited by atmospheric $$C{O_2}$$ levels because of :
A
Effective pumping of $$C{O_2}$$ into bundle sheath cells
B
Rubisco in $${C_4}$$ plants has higher affinity for $$C{O_2}$$
C
Four carbon acids are the primary initial $$C{O_2}$$ fixation products
D
The primary fixation of $$C{O_2}$$ is mediated via PEP carboxylase
Answer :
The primary fixation of $$C{O_2}$$ is mediated via PEP carboxylase
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