Binary Fission
Binary Fission
Binary fission is an asexual method of reproduction in organisms. In binary fission the parent organism splits (or divides) to form two new organisms. When this happens, the parent organism ceases to exist and two new organisms come into existence. The unicellular organism (or unicellular animal) called Amoeba reproduces by the method of binary fission.
Binary fission can be simple i.e. the cytoplamic division takes place through any plane, as seen in amoeba and Bacteria or it may be transverse, when plane of cytoplasmic division coincides wuith the trnsverse aixs of the organism, as seen in Paramecium, or it may be longitudinal when the cytoplasmic division coincides with the longitudinal axis of the individual, as seen in Euglena.
Multiple fission : In case of multiple fission repeated divisions of parent nucleus are followed by cytoplasmic division leading to many daughter cells occurs in malarial parasite Plasmodium.
Which of the following are correct ? (a) Binary fission can be seen in organisms such as Amoeba, Paramecium, Euglena, etc. (b) Binary fission can be simple or it may be transverse or it may be longitudinal. (c) In case of multiple fission repeated divisions of parent nucleus are followed by cytoplasmic division leading to many daughter cells. | |||
| Right Option : D | |||
| View Explanation | |||
Binary fission is observed in _____________________ . | |||
| Right Option : B | |||
| View Explanation | |||
Leishmania reproduces asexually by ________________ | |||
| Right Option : B | |||
| View Explanation | |||
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