First slide

Growth

Question

Read the following statements-
A: During the development of a mature plant from a zygote, there is a precise and ordered succession of events.
B: Development of embryo is purely due to differentiation.

Easy

A

A is correct but B is incorrect
B

A is incorrect but B is correct
C

Both A and B are correct
D

Both A and B are incorrect

Solution

All three phases of growth, namely, meristematic, elongation and maturation are seen during the development of an embryo. Here, the meristematic phase includes both types of growth i.e., geometric and arithmetic. During the development of embryo from zygote, Cell divisions, cell differentiation and organogenesis (radicle, plumule and cotyledon demarcation) are observed. Zygote, embryo, seed ling , plantlet and mature plant are the various stages of growth and development of the plant.

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