Question

10. The excessive exposure of humans to UV rays results in:
A. damage immune system
B. skin cancer
C. peptic ulcers
D. damage to lungs​

Answer 1

Answer:

B) Skin cancer.

Explanation:

Excessive exposure of humans to UV rays results in skin cancer.

Hope it helps.

Answer 2

Answer:

Excessive exposure of human beings 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)

Solution

Option (c) is correct.

Prolonged human exposure to solar UV radiation may result in acute and chronic health effects on the skin, eye and immune system. Sunburn (erythema) is the best-known acute effect of excessive UV radiation exposure. Over the longer term, UV radiation induces degenerative changes in cells of the skin, fibrous tissue and blood vessels leading to premature skin ageing, photodermatoses

SIMILAR QUESTIONS

Match List I to List II:

(A)A-i; B-ii; C-iii; D-iv 

(B) A-iii; B-i; C-iv; D-ii

(C) A-iv; B-iii; C-ii; D-i 

(D) A-(i); B-iii; C-iv; D-ii