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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

1.

What percentage of land area should remain covered by forest to maintain Ecological balance?

A. 10%.
B. 5%.
C. 33%.
D. None of these.

2.

Full form of CTBT is;

A. Comprehensive Nuclear-Test-Ban Treaty.
B. Comprehensive Test Bank Trust.
C. Comprehensive Trust Ban Treaty.
D. Comprehensive Test Ban Trusty.

3.

What is the full form of BOD?

A. Bactorial Oxygen Demand.
B. Biological Oxygen Demand.
C. Biological Oxide Demand.
D. None of these.

4.

How much percentage of nitrogen consist in Earth's Atmosphere?

A. 25%.
B. 12%.
C. 92%.
D. 78%.

5.

Full form of COD is;

A. Chemical Oxide Demand.
B. Chemical Oxygen Demand.
C. Chemical Ozone Demand.
D. None of these.