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Morphology Of Flowering Plants

Question
CBSEENBI11025083

Assertion: The epithelial layer of scutellum of maize is both secretory and absorptive in function.

Reason: The epithelial layer secretes hormones into the endosperm for the synthesis of food
solubilising enzymes and also absorbs and transfers the solubiliscd food to embryo axis.

  • If both Assertion and Reason are true and Reason is the correct explanation of Assertion

  • If both Assertion and Reason are true but Reason is not the correct explanation of Assertion

  • If Assertion is true but Reason is false

  • If both Assertion and Reason are false.

Solution

A.

If both Assertion and Reason are true and Reason is the correct explanation of Assertion

Scutellum the only growth activity during germination is the development of every epithelial cell into a separate elongated papilla. These papillae are involved in secretion of hydrolases, gibberellins and other hormonal factors which in their turn activate the aleurone layer; and in absorption of the mobilized endosperm reserves.