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Question
Which one is directly involved in light reaction of photosynthesis
Which one is directly involved in light reaction of photosynthesis
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Solution
The correct option is A Chlorophyll a
Photosynthesis
takes place in the green leaves of plants and other green part of plants like
stem etc. The most active photosynthetic tissue in higher plants is the
mesophyll of leaves. Mesophyll cells have many chloroplasts, which contain the
specialised light absorbing green pigments, the chlorophylls. When chlorophyll
absorbs light, it gets excited and emits electrons. Chlorophyll a is the
primary photosynthetic pigment. It shows bright or blue green colour in
chromatogram. Chlorophyll a is directly involved in light reaction of
photosynthesis. It is present in the reaction centres of Photosystem I and
Photosystem II which absorbs light energy of longer wavelength. These centres
can release electron upon absorption of energy.
Photosynthesis takes place in the green leaves of plants and other green part of plants like stem etc. The most active photosynthetic tissue in higher plants is the mesophyll of leaves. Mesophyll cells have many chloroplasts, which contain the specialised light absorbing green pigments, the chlorophylls. When chlorophyll absorbs light, it gets excited and emits electrons. Chlorophyll a is the primary photosynthetic pigment. It shows bright or blue green colour in chromatogram. Chlorophyll a is directly involved in light reaction of photosynthesis. It is present in the reaction centres of Photosystem I and Photosystem II which absorbs light energy of longer wavelength. These centres can release electron upon absorption of energy.
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