301.
Hill reaction occurs in
A
High altitude plants
B
Total darkness
C
Presence of ferrcyanide
D
Absence of water
Answer :
Presence of ferrcyanide
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302.
The electron ejected by P680 in light reaction is initially accepted by
A
Plastoquinone
B
ATP
C
Ferredoxin
D
P700
Answer :
Plastoquinone
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303.
Glycolate induces opening of stomata in
A
presence of oxygen
B
low $$C{O_2}$$ conc.
C
high $$C{O_2}$$ conc.
D
absence of $$C{O_2}$$
Answer :
low $$C{O_2}$$ conc.
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304.
R. Hill used a dye for this famous Hill-reaction
A
Dicholorphenol idophenon (DCPIP)
B
Sulphur green
C
Methylene blue
D
Eosine
Answer :
Dicholorphenol idophenon (DCPIP)
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305.
Chlorophyll $$'a'$$ molecule at its carbon atom 3 of the Pyrrole ring II has one of the following
A
aldehyde group
B
methyl group
C
carboxyl group
D
magnesium
Answer :
methyl group
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306.
The side of oxygen evolution and photosynthetic phosphorylation in chloroplast is
A
Grana
B
Matrix
C
Surface of chloroplast
D
Inner wall of chloroplast
Answer :
Grana
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307.
Photosynthetic pigment phycobilin are not associated with
A
PS II
B
Cyanobacteria
C
PS I
D
All of the above
Answer :
PS I
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308.
Photorespiration occur during
A
Respiration
B
Photosynthesis
C
Transpiration
D
Translocation
Answer :
Photosynthesis
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309.
Wht is the common value of PQ (Photosynthetic quotient) of leaf
A
> 1
B
< 1
C
One
D
Zero
Answer :
One
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310.
Which of the following is likely to be the first substance that a green plant makes in photosynthesis
A
A simple sugar
B
Starch
C
Fats
D
Proteins
Answer :
A simple sugar
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