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Earn 100

is a special form of which pigment?
(a)Chlorophyll b
(b)Carotenes
(c)Chlorophyll a
(d)Phycobilins

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Important Questions on Photosynthesis
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The graph below represents the absorption spectrum of a major pigment contributing to photosynthesis.
Which one of the following best represents the photosynthetic efficiency of the pigment?

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Assertion (A): Chromatographic separation of leaf pigments shows that leaves has four different pigments.
Reason (R): Pigments absorb light at specific wavelengths and help in the process of photosynthesis. The major leaf pigments are chlorophyll-a, chlorophyll-b, xanthophylls and carotenoids.
The correct option among the following is:

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A) Chlorophyll is the major pigment responsible for the trapping of light, accessory pigments also participate
B) In green plants, H2O is the hydrogen donor
C) In purple sulfur bacteria the oxidation product is carbon
D) Radioisotope studies proved water as a source of O2 release in photosynthesis.

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Chlorophyll-a and b differ in having

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