Match the following: List-1 List-2 A) Global warming B) Eutrophication C) Biomagnification D) Ozone depletion I) Mercury II) UV-B rays III) Methane IV) Algal blooms V) Terror of Bengal The correct match is:

A = III , B = IV , C = I , D = II

A = III , B = V , C = I , D = II

A = II , B = I , C = IV , D = III

A = V , B = IV , C = II , D = I

Observe the following graph of regulators In the above graph I, II and III represent

I II III Regulators Conformers Partial regulators

I II III Conformers Regulators Partial regulators

I II III Partial regulators Conformers Regulators

I II III Partial regulators Regulators Conformers

Match the following. The correct combinations are List I List II List III (a) Diapause (i) Temperature variations with seasonal changes (p) Temperature lake (b) Cyclomorphosis (ii) Light produced by living organisms (q) Insects (c) Thermal stratification (iii) Inactiveness (r) Pyrosoma (d) Bioluminescence (iv) Seasonal morphological variations (s) Daphnia

(a-iii-q), (b-iv-s), (c-i-p), (d-ii-r)

(a-iii-r), (b-iv-q), (c-i-p), (d-ii-s)

(a-i-q), (b-iv-r), (c-ii-p), (d-ii-q)

(a-ii-s), (b-iv-q), (c-i-p), (d-ii-r)

MEDIUM

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Arrange $CFC, {CH}_{4}, N_{2} O$ and ${CO}_{2}$ in decreasing order according to their contribution in green house effect.

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Important Questions on Environmental Issues

EASY

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

Write any one reason for global warming.

HARD

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

What is global warming? Discuss the cause and effect of global warming. What measures need to be taken to control global warming?

MEDIUM

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

An increase in the level of greenhouse gases leads to global warming. How can it be controlled?

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Define greenhouse effect. Name the greenhouse gases.

MEDIUM

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

Match the following

	LIST-I		LIST-II
A	Radioactive wastes	I	Global warming
B	Greenhouse effect	II	Snow blindness
C	UV — B rays	III	Biomagnification
D	DDT	IV	Mutations
		V	Eutrophication

The correct match is

HARD

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

Define Greenhouse gases. Give any two examples.

MEDIUM

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

What is greenhouse effect? Write the name of two greenhouse gases affecting greenhouse effect.

MEDIUM

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

Which ONE of the following statements about ecosystem energetics is INCORRECT?

HARD

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

Match the following:

List-1	List-2
A) Global warming B) Eutrophication C) Biomagnification D) Ozone depletion	I) Mercury II) UV-B rays III) Methane IV) Algal blooms V) Terror of Bengal

The correct match is:

MEDIUM

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

What are the main consequences of Global warming ?

EASY

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

With reference to temperature adaptations, identify $A, B, C$ of the following graph

Question Image

EASY

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

Match the following:

	List - 1		List -2
$A)$	Carbon monoxide	$I)$	Global warming
$B)$	Carbon dioxide	$II)$	UV - rays
$C)$	Sulphur dioxide	$III)$	Eutrophication
$D)$	Ozone depletion	$IV)$	Acid rain
		$V)$	Oxygen transport

The correct match is

EASY

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

Observe the following graph of regulators

Question Image

In the above graph I, II and III represent

HARD

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

Describe the Green House effect.

EASY

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

In Amphibian and reptiles, the body temperature changes corresponding to external temperature. The organisms which show this kind of response is termed as -

EASY

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

Match the following. The correct combinations are

List I		List II		List III
(a)	Diapause	(i)	Temperature variations with seasonal changes	(p)	Temperature lake
(b)	Cyclomorphosis	(ii)	Light produced by living organisms	(q)	Insects
(c)	Thermal stratification	(iii)	Inactiveness	(r)	Pyrosoma
(d)	Bioluminescence	(iv)	Seasonal morphological variations	(s)	Daphnia

EASY

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

Homeothermy in humans is maintained through

MEDIUM

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

What is global warming? Give any two causes responsible for global warming.

MEDIUM

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

How is green house gas raise the temperature of Earth?

EASY

Biology>Ecology>Environmental Issues>Greenhouse Effect and Global Warming

Which of the following pairs of gases is mainly responsible for green house effect?

Arrange CFC,CH4,N2O and CO2 in decreasing order according to their contribution in green house effect.

Important Questions on Environmental Issues

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Arrange $CFC, {CH}_{4}, N_{2} O$ and ${CO}_{2}$ in decreasing order according to their contribution in green house effect.