Question

Differentiate between binary and multiple fission. Give one example from each.

Answer 1

Binary Fission :

(i) Nucleus divides into two parts.

(ii) It occurs during normal conditions.

(iii) It gives rise to two individuals.

(iv) Cytoplasm divides after each nuclear division.

e.g., Amoeba.

Multiple Fission :

(i) Nucleus divides into many parts.

(ii) It takes place during unfavourable conditions (Encysted stage),

(iii) It forms many individuals.

(iv) Cytoplasm does not divide after every nuciear division.

e.g., Plasmodium.

Answer 2

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▶Binary Fission:-
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[1] It forms two individuals.

[2] Cytoplasm divides after each nuclear division.

[3] Nucleus divides into two parts.

[4] It occurs during normal conditions.

[5] Ex:- Amoeba

▶Multiple Fission:-
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[1] It forms many individuals.

[2] Cytoplasm does not divide after every nuciear division.

[3] Nucleus divides into many parts.

[4] It takes place during unfavourable conditions.

[5] Ex:- Plasmodium

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