Question

Which one of the following statements is correct?
(a) The seed in grasses is not endospermic. (b) Mango is a parthenocarpic fruit. (c) A proteinaceous aleurone layer is present in maize grain. (d) A sterile pistil is called a staminode.

Answer 1

d) A sterile pistil is called a staminode.

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Answer 2

Answer:

Among the above statements (c) is correct. A proteinaceous aleurone layer is present in maize grain. In monocotyledons seeds are usually endospermic.

The endosperm is surrounded by one special thick layered cell, which is the aleurone layer. The layer is usually proteinaceous in nature.

The components of the layer are carbohydrates; phytin and small amount of phospholipids are present. It helps the endosperm to nourish.

Explanation: