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Solution


Q.

Which of the following statements about binary fission is true
1 Some multicellular organisms also reproduce through binary fission.  
2 Binary fission produces two new organisms.  
3 Binary fission in Amoeba happens only in the vertical plane.  
4 Binary fission in Leishmania can happen in any plane.  

Ans.

(2)

Only unicellular organisms reproduce through binary fission. In binary fission, a unicellular organism (a cell) divides to form two unicellular organisms (two cells). Binary fission in Amoeba can happen in any plane. Binary fission in Leishmania happens in a definite orientation (plane) to the body because Leishmania has somewhat organised structure.