Tapetum is (a) parietal in origin usually the inner most layer of anther wall(b) modified endothecium of anther wall(c) outer most layer of sporogenous tissue modification(d) parietal in origin and is the inner most layer of ovule wall
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parietal in origin and is the inner most layer of anther wall
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Answer:
Tapetum is (a) parietal in origin usually the innermost layer of anther wall.
Explanation:
It is a special layer of nutritive cells present in the anther of gymnosperms and is localised between the anther wall and the sporogenous tissue.
The tapetum has a different role in flowering plants ranging from transportation of nutrients to the inner portion of the anther, formation of pollen grain and synthesis of the callase enzyme which is required for the separation of microspore tetrads.
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