Ageing in many mammals including man may be due to [MP PMT 1993] – McqOptions

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1.	Ageing in many mammals including man may be due to [MP PMT 1993]
A.	Adverse changes in the environment
B.	Interaction between hereditary factors (genes) and the environment
C.	Malnutrition and stress
D.	All of the above
Answer» E.

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