1.
Which one of the following pigment does not occur in the chloroplast
A.
Carotene
B.
Xanthophyll
C.
Chlorophll 'b'
D.
Anthocynanin
Answer :
Anthocynanin
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2.
How many calvin cycles would generate one molecules of glucose/hexose
A.
One cycle
B.
Three cycles
C.
Six cycles
D.
Twelve cycles
Answer :
Six cycles
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3.
In the CO2 content of the atmosphere is as high as 300 parts per million
A.
All plants would be killed
B.
The plants would not grow properly
C.
Plants would grow for some time and then die.
D.
The plants would thrive well
Answer :
The plants would thrive well
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4.
Name of the scientist who pointed out the importance of different wavelengths of light using a green algae and aerobic bacteria
A.
Priestely
B.
Ingen - Housz
C.
K.V. Thimann
D.
Engleman
Answer :
Engleman
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5.
Wavelength of light responsible for Emerson's enhancement effect
A.
Only 680 nm ↑
B.
Only 680 nm ↓
C.
Infra red wavelength
D.
Both 680 nm ↑ and 680 nm ↓
Answer :
Both 680 nm ↑ and 680 nm ↓
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6.
NADPH is generated through
A.
photosystem I
B.
photosystem II
C.
anerobic respiration
D.
glycolysis
Answer :
photosystem I
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7.
The enzyme that fixed atmospheric CO2 in C4 plants is
A.
PEP carboxylase
B.
Hexokinase
C.
RUBP oxygenase
D.
Hydrogenase
Answer :
PEP carboxylase
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8.
Splitting of water in photosynthesis is called
A.
Dark reaction
B.
Photolysis
C.
Electron transfer
D.
Phototropism
Answer :
Photolysis
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9.
The main difference between chlorophyll 'a' and 'b' is
A.
Chlorophyll 'a' is a linear chain compound and 'b' is branched chain
B.
Chlorophyll 'a' has no Mg+ ion in centre of molecule
C.
In chlorophyll 'a' there is -CH3 group whereas in 'b' it is -CHO group
D.
All of the above
Answer :
In chlorophyll 'a' there is -CH3 group whereas in 'b' it is -CHO group
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10.
What is C2 - Cycle
A.
Glycolate cycle
B.
Calvin cycle
C.
Kre's cycle
D.
TCA-cycle
Answer :
Glycolate cycle
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