Question

There is always a cycle of CO2
running in the atmosphere due to
which the concentration of CO2
remains constant in the atmosphere.
Choose the correct sequence of this
cycle:​

Answer 1

Answer:

Q1. What would happen, if all the oxygen present in the environment is converted to ozone?

(a) We will be protected more

(b) It will become poisonous and kill all living forms

(c) Ozone is not stable, hence it will be toxic

(d) It will allow harmful sun radiations to reach earth and damage many life forms

Answer: (b) It will become poisonous and kill all living forms

Q2.When we breathe in air, nitrogen also goes inside along with oxygen. What is the fate of nitrogen?

(a) It moves along with oxygen into the cells

(b) It comes out with the carbon dioxide during exhalation

(c)It is absorbed only by the nasal cells