Inter First Year Zoology Unit V Important Questions for 2 Marks

Q: List out any two differences between a flagellum and a cilium.
A:
Flagellum:
a. It is a long and whip like structure.
b. Flagellae generally originate in the anterior part of the body.
c. flagellae exhibit undular movements.

Cilium:

a. It is a short and hair like structure.
b. Cilia are present all over the body or confined to peristome only.
c. Cilia exhibit pendular movements.

Q: Draw a labelled diagram of T. S. of flagellum.
A:

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