Homo sapiens originated how many years ago
About $1\frac{1}{2}$ lakh years ago
About $2$ lakh years ago
About $2\frac{1}{2}$ lakh years ago
About $3$ lakh years ago
It's Obvious
Hand of man, wing of bat and flipper of seal represents
"In different races, there may be difference in culture and ways of living but capacity in all is the same''. It was the opinion of
In lysogenic state viral $DNA$
The first organisms appeared on earth were
A species that contains two or more sub-species are called
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