EASY
AP EAPCET
IMPORTANT
Earn 100

Which of the following statements are correct related to ozone depletion in the stratosphere?
(i) Ozone found in the upper part of the atmosphere that act as an efficient shield by absorbing UV rays from the Sun
(ii) DNA and proteins of living organisms could not absorb UV rays
(iii) Ozone gas is continuously formed by the action of UV rays on molecular oxygen
(iv) Ozone gas is more stable
(v) Cl atoms are related from CFC by the action of UV rays, these Cl atoms act as catalyst to degrade, ozone molecules

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Important Questions on Environmental Issues

EASY
AP EAPCET
IMPORTANT

Match the following related to effect of UV rays on organisms?

List I List II
(i) UV Light (a) 320-380 mm
(ii) UVC Light (b) 280-320 mm
(iii) UVB Light (c) 100-280 mm
(iv) UVA Light (d) 100-380 mm