HORTICULTURE SCIENCE
ULTRA STRUCTURE OF PLANT CELLS AND ORGANS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Tall, rectangular mesophyll cells, called ____, absorb much of the light that falls on a leaf.
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palisade mesophyll
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upper epidermis
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spongy mesophyll
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cuticle
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Explanation:
Detailed explanation-1: -The main function of the palisade mesophyll is photosynthesis since it contains large amount of chloroplast. The palisade cells contain intercellular space towards the spongy tissue which is meant for gaseous exchange.
Detailed explanation-2: -In simpler terms, they are known as leaf cells. Palisade means “stake” in Latin, they are vertically elongated and are stacked side by side, a different shape from the spongy mesophyll cells beneath them. The chloroplasts in these cells absorb a major portion of the light energy used by the leaf.
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