The movement of sperms towards the archegonia | vedclass

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(B) The movement of a motile organism or cell in response to a chemical stimulus is called chemotaxis.In bryophytes and pteridophytes,the archegonia r

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Chemotaxis

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(B) The movement of a motile organism or cell in response to a chemical stimulus is called chemotaxis.In bryophytes and pteridophytes,the archegonia release specific chemical substances (exudates) that attract the male gametes (sperms) towards the archegonial neck.Since the sperms are motile and their movement is directed by a chemical gradient,this phenomenon is specifically termed as chemotaxis.

Column-$I$	Column-$II$
$(a)$ Gymnosperms	$(p)$ Trimerous flowers
$(b)$ Monocots	$(q)$ Absence of flowers
$(c)$ Dicots	$(r)$ Primitive type of flowers
$(d)$ Pteridophytes	$(s)$ Tetramerous or pentamerous flowers

The movement of sperms towards the archegonial necks in response to chemical substances released by the archegonia is known as:

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