Question

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) __.

Answer 1

(1) triatomic
(2) diatomic
(3) ozone
(4) troposphere
(5) stratosphere
(6) equator
(7) poles
(8) reactive
(9) ozonosphere
(10) ozone shield