331.
Photosynthesis includes
A
Light phase
B
Dark phase
C
Light and dark phase
D
None of the above
Answer :
Light and dark phase
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332.
Conditions necessary for photosynthesis are
A
Light and suitable temperature
B
Choropyll and water
C
Carbon dioxide
D
All of the above
Answer :
All of the above
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333.
The process of taking in CO2 by plants and releasing O2 is termed as
A
Transpiration
B
Respiration
C
Photosynthesis
D
Endosmosis
Answer :
Photosynthesis
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334.
Which of the following plants are Low CO2 compensation plants
A
C3 - plants
B
C4 - plants
C
C2 - plants
D
Alpine plants
Answer :
C4 - plants
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335.
How much energy in terms of ATP equivalents is consumed in the photosynthetic production of a mole of hexose
A
36 ATP eq.
B
38 ATP eq.
C
40 ATP eq.
D
54 ATP eq
Answer :
54 ATP eq
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336.
Which pigment system utilimately donates e- for the reduction of NADP
A
PS II
B
P I
C
CO2
D
Plastoquinone
Answer :
P I
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337.
What is the role of light in plants
A
Necessary for photosynthesis
B
Controls growth & Movement
C
Controls distribution of hormones & flowering
D
All of the above
Answer :
All of the above
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338.
Which of the following is not a significance of photosynthesis
A
Glucose synthesis for most of consumer
B
Increase in green house effect
C
Provides O2 for synthesis of ozone umbrella
D
Provides O2 for cell respiration
Answer :
Increase in green house effect
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339.
Photosynthericallyactive radiation (PAR) represents the following range of wavelength
A
400 - 700 nm
B
500 - 600 nm
C
450 - 950 nm
D
340 - 450 nm
Answer :
400 - 700 nm
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340.
How many quanta are required to reduced one molecule of CO2 and produce one molecule of O2 in green plant photosynthesis
A
1
B
8
C
16
D
32
Answer :
8
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