NEET 2003 Biology question

Which fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants : -

(1)Blue and green
(2)Green and red
(3)Red and violet
(4)Violet and blueCorrect

Answer: (4)

Solution

Carotenoids (accessory pigments) have absorption peaks in the violet-blue-green region (about 400-500 nm), mainly the violet and blue bands. They transfer the energy to chlorophyll a and protect chlorophyll

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Question ID VK-089309