131. Which of the following is C-4 plants

A Maize
B Atriplex
C Sugarcane
D All of the above
Answer :   All of the above
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132. Which of the following absorb light energy for photosynthesis?

A Chlorophyll
B Water molecule
C $${O_2}$$
D RuBP
Answer :   Chlorophyll
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133. The substrate of photorespiration is

A Glycolate
B Glucose
C Pyruvic acid
D Acetyl CoA
Answer :   Glycolate
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134. In cyclic photophosphorylation which one of the following is formed

A NADP & ATP
B ATP
C ANDH2 and O2
D NADPH2 ATP and O2
Answer :   ATP
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135. The enzyme which fixes $$C{O_2}$$ in $${C_4}$$ plants is

A Hydrogenase
B PEP carboxylase
C Reductase
D RuBP carboxylase
Answer :   PEP carboxylase
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136. Name the scientist, who first pointed out that plants purify foul air by bell jar experiment

A Willstatter
B Robert Hooke
C Priestley
D Iean Senebier
Answer :   Priestley
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137. In pigment system-I active chlorophyll is

A P-600
B P-680
C P-700
D P-720
Answer :   P-700
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138. NADP+ is reduced to NADPH in

A PS I
B PS II
C Calvin cycle
D Noncyclic photophosphorylation
Answer :   Noncyclic photophosphorylation
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139. Conversion of light energy into chemical energy within the plant body was first stated by

A Mayer and Anderson
B Calvin
C Robert Mayer
D Willstatter and Stoll
Answer :   Robert Mayer
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140. Which one of the following is precursor of protochlorophyll

A Acetly COA
B Succinyl COA
C Oxalaoacetic acid LIGHT REACTIONS OR
D A-ketoglutatrate
Answer :   Succinyl COA
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