1.

Which of the following factors affect human health ? (i) Infections (ii) Silent mutations (iii) Life style (iv) Genetic disordersA. (i)m (ii) and (iv)B. (i) and (ii)C. (i), (iii) and (iv)D. (i), (ii), (iii) and (iv)

Answer» Correct Answer - C
Human health is affected by following three factors : (i) Genetic disorders : These are the deficiencies or defects that a child carries from parents by birth via genes.
(ii) Infections : A person gets infections from his/her surroundings.
(iii) Life style : It includes food and water we take, rest and exercise we give to our bodies and habits that we possess or lack, etc. in our life.


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