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  • Consider the following statements w.r.t embryogeny in monocots: a) Coleoptile develops from scutellum to cover radicle. b) Coleorhiza develops from scutellum to cover plumu

Consider the following statements w.r.t embryogeny in monocots:

a) Coleoptile develops from scutellum to cover radicle.

b) Coleorhiza develops from scutellum to cover plumule.

c) The developed cotyledon of a monocot embryo is called epiblast.

d) Haustorium is derived from the seed coat.

 

Option: 1

All are correct


Option: 2

All are incorrect


Option: 3

A & B are correct


Option: 4

C & D are correct


Answers (1)

best_answer

-As we have learnt:

  • In some cereals both plumule and radicle get covered by sheaths developed from scutellum called coleoptile and coleorhiza respectively.
  • The basal cell (towards the micropylar end) produces a large swollen, vesicular suspensor cell. It may function as haustorium. 
  • The embryos of monocotyledons have only one cotyledon. 
  • In grass family (Gramineae), this cotyledon is called scutellum. 
  • Epiblast represents rudiments of the second cotyledon.

Hence, the correct answer is option b.

Posted by

Rishabh

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