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प्रश्न
A pollen grain is provided resistance from physical and biological decomposition by its ______
पर्याय
Exine composed of cellulose and pectin
Exine composed of sporopollenin
lntine made up of cellulose and pectin
Intine made up of sporopollenin
MCQ
रिकाम्या जागा भरा
उत्तर
A pollen grain is provided resistance from physical and biological decomposition by its Intine made up of sporopollenin.
Explanation:
Foliar bud produced on the surface of a leaf of Begonia for vegetative propagation. In Bryophyllum and Kalanchoe, the buds are produced on the margin of the leaf.
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