Morphology of Flowering Plants Question 58

58. Which one of the following statements is correct?

[2014]

(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.

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Answer : c

Hints & Solutions

(c) Generally, monocotyledonous seeds (e.g., grasses) are endospermic but some as in orchids are non-endospermic. Mango is a drupe fruit that develops from multicarpellary, syncarpous, superior ovary having one or many seeds. A sterile stamen is called a staminode. In monocots, outer covering of endosperm separates the embryo by a proteinous layer called aleurone layer.



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