GK
BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Monocot root differs from dicot root in having
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open vascular bundles
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scattered vascular bundles
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well developed pith
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radially arranged vascular bundles
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Explanation:
Detailed explanation-1: -Pith is large and well developed in monocot roots since no secondary growth takes place while it is small and inconspicuous in dicot root due to extensive secondary growth.
Detailed explanation-2: -It is very much evolved in monocot stem, monocot root and dicot stem. Pith is missing in established dicot roots. Additional Information: Medullary rays are pieces of parenchyma present between vascular groups of dicot stem.
Detailed explanation-3: -Monocots do not have vascular cambium. Since dicot roots don’t have a central pith area, parenchyma serves as connective tissue in the region where the dicot root’s vascular structures are found.
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