Q. 23.7( 179 Votes )

Describe the different methods of asexual reproduction. Give examples.

Answer :

Various methods of asexual reproduction are:

(1) Vegetative propagation: Vegetative propagation is the method of asexual reproduction in which new plants produced from the vegetative parts of the plant like stems, roots, and leaves. Example: Potato, Bryophyllum can be reproduced by vegetative propagation by using either a piece of its stem or leaves. The leaves of a Bryophyllum have special buds on their margins which may fall on the soil and develop into a new plant


(2) Budding: In budding, the specific site of the parent body grows as an outgrowth called bud which then detaches and becomes a new organism. Example, Yeast, and Hydra reproduce by budding.


(3) Fragmentation: In this method, an organism breaks into smaller pieces or fragments which grow into new organisms. This type of reproduction is common in algae. When water and nutrients are available, algae grow and multiply rapidly by fragmentation. Algae break into two or more fragments which later on grow into new individuals. This process continues, and they cover a large area in a short period. example spirogyra, molds, etc

(4) Spore formation: Rhizopus fungus (bread mold) reproduces by spore formation. It is an asexual method of reproduction. A spore is a small microscopic structure which is covered by a thick wall to withstand unfavorable condition such as high temperature and low humidity. Thus, spores can survive for a long time. Under favorable conditions, a spore germinates and develops into a new individual. E.g., Moss and ferns reproduce using spores

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