Excessive exposure of humans to UV-rays results in

(i) damage to immune system.

(ii) damage to lungs.

(iii) skin cancer.

(iv) peptic ulcers.

(a) (i) and (ii)

(b) (ii) and (iv)

(c) (i) and (iii)

(d) (iii) and (iv)



Checking the options:

  • (i) damage to immune system - This is true .
  • (ii) damage to lungs - This is false. 
  • (iii) skin cancer - This is true.
  • (iv) peptic ulcers - This is false.

Option (i) and (iii) are correct.

So, the correct answer is (c).

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo