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)

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

EASY

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Which of the following represents the regulative function of forest?

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Important Questions on Environmental Issues

EASY

Biology>Ecology>Environmental Issues>Deforestation

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

Question Image

EASY

Biology>Ecology>Environmental Issues>Deforestation

Deforestation is a serious issue in the present scenario. Write any two major consequences of deforestation.

EASY

Biology>Ecology>Environmental Issues>Deforestation

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

EASY

Biology>Ecology>Environmental Issues>Deforestation

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

MEDIUM

Biology>Ecology>Environmental Issues>Deforestation

Which of the following is a set of greenhouse gases?

EASY

Biology>Ecology>Environmental Issues>Deforestation

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

MEDIUM

Biology>Ecology>Environmental Issues>Deforestation

Define ‘deforestation’. Comment on its effects.

MEDIUM

Biology>Ecology>Environmental Issues>Deforestation

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

EASY

Biology>Ecology>Environmental Issues>Deforestation

The green house gas/es is (are):

(A) Carbon dioxide

(B) Oxygen

(D) Methane

Choose the most appropriate answer from the options given below:

MEDIUM

Biology>Ecology>Environmental Issues>Deforestation

Which among the following is not a greenhouse gas?

MEDIUM

Biology>Ecology>Environmental Issues>Deforestation

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

EASY

Biology>Ecology>Environmental Issues>Deforestation

Which one of the following human activities has contributed as deforestation by northeastern sides of India?

MEDIUM

Biology>Ecology>Environmental Issues>Deforestation

How is green house gas raise the temperature of Earth?

EASY

Biology>Ecology>Environmental Issues>Deforestation

Observe the following graph of regulators

Question Image

In the above graph I, II and III represent

EASY

Biology>Ecology>Environmental Issues>Deforestation

Homeothermy in humans is maintained through

EASY

Biology>Ecology>Environmental Issues>Deforestation

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

HARD

Biology>Ecology>Environmental Issues>Deforestation

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>Deforestation

List any four effects of global warming.

EASY

Biology>Ecology>Environmental Issues>Deforestation

Which one of the following is responsible for the sustenance of underground water?

EASY

Biology>Ecology>Environmental Issues>Deforestation

Joint Forest Management Concept was introduced in India during:

Which of the following represents the regulative function of forest?

Important Questions on Environmental Issues

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