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Who was the first archaeologist to excavate the Harappan civilization site at Harappa?
(a)John Marshall
(b)Ram Sahni
(c)Rakhah Das Banerji
(d)Alexander Cunningham

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Important Questions on Atoms
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Write the names of the following :
A 15 mya primate that was ape-like.

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According to the Darwinian theory of natural selection, the rate of appearance of new forms is linked to the life cycle or the life span of an organism. Explain with the help of an example.

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Write the names of the following:
A 2 mya primate that lived in East African grasslands.

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How did Hershey and Chase differentiate between DNA and protein in their experiment while proving that DNA is the genetic material?

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