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Solution


Q.

In which of the following aspects does multiple fission differ from binary fission
(i) Number of offsprings produced.
(ii) Level of genetic variation in offsprings.
(iii) Number of parents involved.
(iv) Multiple fission happens in Plasmodium whereas binary fission happens in Leishmania.
1 Only (i) is correct  
2 Both (i) and (iv) are correct  
3 (iii) is correct  
4 (ii) is correct  

Ans.

(2)

Multiple fission produces many off-springs whereas binary fission produces only two. Off-springs produced through multiple fission as well as binary fission are genetically identical to each other and to their parents. Both multiple fission and binary fission require only one parent. Plasmodium, the protozoan that causes malaria reproduces through multiple fission. Leishmania causes Kala-azar and it reproduces through binary fission.