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Lakhmir Singh Solutions Class 10 Biology Solutions for Exercise in Chapter 3 - How do Organisms Reproduce?

Question 20 Exercise

(a) Explain how new Bryophyllum plants can be produced from the leaves of the old plant? Illustrate your answer with the help of a labelled diagram.

(b) How can you grow the money plant by vegetative propagation?

Answer:

(a) Bryophyllum can be reproduced by vegetative propagation by using either a piece of its stem or leaves. The leaves of a Bryophyllum plant have special buds in their margins which may get detached from the leaves, fall to the ground and then grow to produce a new plant.

Lakhmir Singh Solutions - Biology - Class 10 chapter How do Organisms Reproduce? Question 20 Solution image

(b) Money plant can be grown by vegetative propagation by using a piece of its stem which has at least one leaf on it. One end of the stem is dipped in water and after a few days, new roots appear at the point where the leaf was attached. This piece of the stem grows gradually into a new money plant.

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