5
MCQ (Single Correct Answer)
Chemosynthetic bacteria obtain energy from
A
sun
B
infrared rays
C
organic substances
D
inorganic chemicals
6
MCQ (Single Correct Answer)
Energy required for ATP synthesis in PS II comes from
A
proton gradient
B
electron gradient
C
reduction of glucose
D
oxidation of glucose
7
MCQ (Single Correct Answer)
During light reaction in photosynthesis the following are formed
A
ATP and sugar
B
hydrogen, $\mathrm{O}_2$ and sugar
C
ATP, hydrogen donor and $\mathrm{O}_2$
D
ATP, hydrogen and $\mathrm{O}_2$ donor
8
MCQ (Single Correct Answer)
Dark reaction in photosynthesis is called so because
A
it can occur in dark also
B
it does not depend on light energy
C
it cannot occur during day light
D
it occurs more rapidly at night
9
MCQ (Single Correct Answer)
PEP is primary $\mathrm{CO}_2$ acceptor in
A
$\mathrm{C}_4$ plants
B
$\mathrm{C}_3$ plants
C
$\mathrm{C}_2$ plants
D
both $\mathrm{C}_3$ and $\mathrm{C}_4$ plants