(D) The biosphere is the global sum of all ecosystems. It is the zone of the earth where life exists. It includes all living organisms (biotic compone

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Living organisms $+$ Lithosphere $+$ Atmosphere $+$ Hydrosphere

(D) The biosphere is the global sum of all ecosystems. It is the zone of the earth where life exists. It includes all living organisms (biotic components) and their interactions with the lithosphere (land),atmosphere (air),and hydrosphere (water).

Class 11 Chemistry Environmental Chemistry Environmental Study

Easy

The biosphere is composed of........

A
Living organisms
B
Living organisms $+$ Lithosphere
C
Living organisms $+$ Lithosphere $+$ Atmosphere
D
Living organisms $+$ Lithosphere $+$ Atmosphere $+$ Hydrosphere

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Class 11 Questions

Class 11

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Chapter

Environmental Chemistry

Subtopic

Environmental Study

Carbon monoxide gas is more dangerous than carbon dioxide gas. Why?

Medium

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$BHC$ and $DDT$ act as

Medium

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Match the following:
List-$I$ List-$II$
$A$. Insecticide $I$. $COD$
$B$. $K_2Cr_2O_7 / 50\% H_2SO_4$ $II$. $PAN$
$C$. Bleaching of clothes and paper $III$. $Na_3AsO_3$
$D$. Eye irritant $IV$. $BOD$
$V$. $H_2O_2$

The correct answer is:

List-$I$	List-$II$
$A$. Insecticide	$I$. $COD$
$B$. $K_2Cr_2O_7 / 50\% H_2SO_4$	$II$. $PAN$
$C$. Bleaching of clothes and paper	$III$. $Na_3AsO_3$
$D$. Eye irritant	$IV$. $BOD$
	$V$. $H_2O_2$