Conservation of Plants & Animals
Quick practice
Question 1 of 5
Which of the following statements about the ozone is correct?
A
It is mainly responsible for global warming.
B
Its proportion in air is about 3%.
C
It is essential for breathing.
D
It absorbs ultraviolet rays.
Get unlimited practice with CBSE Class 8 subscription
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go