(a) What is meant by the term 'fission' as used in biology?(b) How does binary fission differ from multiple fission?(c) Name one organism which reproduces by binary fission and another which reproduces by multiple fission.(d) State whether the above named organisms are animals or plants.

(a) Fission is a process of asexual reproduction, in which the nucleus of a parent cell either divides into two cell or divides repeatedly, producing more than two nuclei, resulting in similar-sized and identical daughter cells.

(b) In Binary fission, the parent cell gets split into two halves, each half forms identical daughter cells of the same size. It takes place in unicellular organisms.

Multiple fission is a process of asexual reproduction, in which the nucleus of a parent cell divides repeatedly, producing a large number of nuclei, resulting in numerous, similar-sized and identical daughter cells.

(c) Amoeba and Leishmania reproduce by binary fission, while Plasmodium reproduces by fission.

(d) Amoeba, Leishmania and Plasmodium are unicellular organisms that belong to the category of protozoans.

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Updated on: 23-Mar-2023

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