NEET 2004 Biology question

Plants adapted to low light intensity have :-

(1)Higher rate of fixation than the sun plants
(2)More extended root system
(3)Leaves modified to spines
(4)Larger photosynthetic unit size than the sun plantsCorrect

Answer: (4)

Solution

Shade plants (adapted to low light intensity) have a larger size of photosynthetic unit (more chlorophyll molecules per reaction centre, with more chlorophyll b and bigger grana), so they trap the weak light efficiently. Their

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Question ID VK-089506