CBSE Class 10 Science 2018 · Paper 31/1 · Question 25(a)
Name the process by which an amoeba reproduces. Draw the various stages of its reproduction in a proper sequence.
Answer
Amoeba reproduces by binary fission: the nucleus elongates and divides, then the cytoplasm constricts and splits into two daughter amoebae.
Amoeba reproduces by binary fission (a kind of asexual reproduction).
Stages, in sequence (diagram):
(a) A mature amoeba with one nucleus.
(b) The nucleus elongates and divides into two.
(c) A constriction appears in the cytoplasm between the two nuclei and deepens.
(d) The cell splits into two daughter amoebae, each with its own nucleus.
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