The excessive exposure of humans to ultraviolet 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)

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Solution

(c) (i) and (iii)

Excessive exposure of humans to ultraviolet rays results in skin cancer and damage to the immune system.

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(i) Damage to immune system
(ii) Damage to lungs
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(iv) Peptic ulcers

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(b) (ii) and (iv)
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(d) (iii) and (iv)

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(ii) Damage to lungs
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(iv) Peptic ulcers

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Q. Question 9
Among the statements given below select the ones that correctly describe the concept of sustainable development
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(ii) Growth irrespective of the extent of damage caused to the environment
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The excessive exposure of humans to ultraviolet 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)

(c) (i) and (iii) Excessive exposure of humans to ultraviolet rays results in skin cancer and damage to the immune system.

The excessive exposure of humans to ultraviolet 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)

(c) (i) and (iii)

Excessive exposure of humans to ultraviolet rays results in skin cancer and damage to the immune system.