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Anomalous Behaviour of Oxygen

Ozone present...

Question

Ozone present in stratosphere comes from.

A

Photosynthetic activity from earth

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B

Reaction between nitrogen oxides and

O_{2}

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C

Photochemical interactions of oxygen molecules

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D

Microbial decay on earth

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Solution

The correct option is D Photochemical interactions of oxygen molecules
Ozone formation is due to the photochemical reaction of oxygen atoms.
So, the correct option is 'Photochemical interactions of oxygen molecules'.

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Similar questions

Q. Nitrogen oxides released in the stratosphere cause ozone depletion due to

Q. Complete the following passage(s) with an appropriate word/term to be filled in the blank spaces.
Troposphere, Stratosphere, Triatomic, Ozonosphere, Ozone shield, Diatomic, Ozone, Equator, Poles, Reactive.
Ozone is a __(1)__molecule made up of three atoms of oxygen,

O_{3}

. The normal oxygen molecule is __(2)__. Oxygen is essential for all aerobic forms and combustion activities. __(3)__ is a deadly poison. Very little of it is present in the lower part of the atmosphere called __(4)__. A good quantity of ozone is present in the stratum of the atmosphere called __(5)__. It lies above the troposphere and extends between 16-50 km of height above __(6)__ and 8-30 km above __(7)__. Here, it is formed in situ from oxygen by the action of high energy ultraviolet rays. The latter split some oxygen molecules into nascent or atomic oxygen (O). Atomic oxygen is highly __(8)__. It combines with (

O_{2}

) to form ozone. The area of the stratosphere which is rich in ozone is called the ozone layer or ____(9)____. It is also called __(10) __.

Q. Assertion :Statement I : Ozone is a tri-atomic molecule of oxygen. Reason: Statement II : Ozone is concentrated mainly in stratosphere.

Q. Ozone is formed in stratosphere by action of ultravoilet radiations on oxygen.

Q. Read the following statements and select the correct option.

Statement 1: Ozone layer present in the stratosphere protects the living organisms from harmful UV rays coming from the sun by absorbing nearly all of them.

Statement 2: Ozone formed in the troposphere by photochemical reactions as a result of human activities which is harmful to all living organisms.

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Anomalous Behaviour of Oxygen

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