Ncert Exercises & Solutions

A protozoan reproduces by binary fission. What will be the number of protozoans in its population after six generations?

1. 128

2. 24

3. 64

4. 32

$So, \underset{1 st generation}{single protozoan} \overset{Multiplied}{\to} Two (2 individual) \to$
$4 \to 8 \to 16 \to 32 \to 64 Nos$
$(iii) (iv) (v) (vi)$

Thus, the population of protozoan will be 64, after six generations.

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