Concentration of ozone in troposphere is

The concentration of ozone in stratosphere is lowest during the period

presence of ozone in troposphere

Fill in the blanks : Decrese of the concentreation of ozone in the stratosphere is the cause of formation of………. holes.

Which of the following statements is/are not true? (i) Ozone layer occurs naturally in the atmosphere. (ii) Thinning of ozone layer allows more UV radiations to pass through it and cause harmful effects on humans, plants and animals. (iii) The region of the stratosphere that contains relatively high concentration of ozone is called troposphere.

The presence of ozone in troposphere

Higher concentrations of ozone is characte rised as

High concentration of ozone is explosive.

Assertion: Excess of ozone in troposphere called bad ozone while excess in stratosphere is known as "good" ozone. Reason: In troposphere ozone acts as pollutant while in stratosphere it protects from U.V. radiations.

Assertion: Excess of ozone in troposphere called bad ozone while excess in stratosphere is known as "good" ozone. Reason: In troposphere ozone acts as pollutant while in stratosphere it protects from U.V. radiations.