Home
Class 12
BIOLOGY
Earth is protected from ultra-violet rad...

Earth is protected from ultra-violet radiations by means of

A

Ozone layer

B

nitrogen

C

oxygen

D

carbon dioxides

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL ISSUES

    DINESH PUBLICATION|Exercise Check your grasp|18 Videos

  • ENVIRONMENTAL ISSUES

    DINESH PUBLICATION|Exercise Brain teasers-X|145 Videos

  • ECHINODERMATA

    DINESH PUBLICATION|Exercise REVISION QUESTIONS|65 Videos

  • EVIDENCES OF EVOLUTION

    DINESH PUBLICATION|Exercise CHECK YOUR GRASP|3 Videos

Similar Questions

Explore conceptually related problems

Earth is protected from UV rays by

Earth is protected from UV rays by

"Photosynthesis protects us from harmful ultraviolet radiation of sun". Comment on the statement.

The upper stratosphere consists of considerable amount of X. X protects us from the harmful ultraviolet radiations coming from the sun. These radiations cause skin cancer (melanoma) in humans. X is :

Calculate the kinetic energy of the ejected electron when ultra-violet radiation of frequency 1.6 xx 10^(15) s^(-1) strikes the surface of potassium metal. Threshold frequency of potassium is 5 xx 10^(14) s^(-1) (h = 6.63 xx 10^(-34) Js) .