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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