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General Knowledge - Environment Science

Home: General Knowledge: Environment Science

Why General Knowledge Environment Science?

In this page you can learn and practice General Knowledge Questions and Answers on Environment Science with detailed solution. These questions and answers will help you to prepare for various competitive exams (UPSC, SSC, PSC, Bank, Railway, Insurance), Entrance Test (CAT, MAT, XAT) and Job interviews.

How to Practice General Knowledge Environment Science?

Basictell provides you MCQ and Multiple choice quiz type General Knowledge questions and answers on Environment Science. You can browse detailed answer with explanation on General Knowledge Environment Science and also can download as PDF Files and eBooks.

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At first you can try questions answers with exercises. Also discuss General Knowledge Environment Science questions and answers by practicing shortcut tricks and go through objective type exercises.

Topic: Environment Science Questions and Answers

  • ⇛ Environment Science: Environment Science Page 6


Almost 99% of clean air consists of two gases which are;

A. Nitrogen and Carbon Dioxide.
B. Oxygen and Argon.
C. Oxygen and Carbon Dioxide.
D. Nitrogen and Oxygen.


Ozone layer exists in;

A. Troposphere.
B. Stratosphere.
C. Mesosphere.
D. Ionosphere.


Ozone layer is being depleted by;

A. Smog.
B. Sulphur dioxide.
C. Carbon monoxide.
D. Chloroflurocarbon.