Match List - I with List - II : List - I (compound) List - II (effect/affected species) a Carbon monoxide i Carcinogenic b Sulphur dioxide ii Metabolized by pyrus plants c Polychlorinated biphenyls iii Haemoglobin d Oxides of Nitrogen iv Stiffness of flower buds Choose the correct answer from the options given below:

( a ) - ( iii ), ( b ) - ( iv ), ( c ) - ( i ), ( d ) - ( ii )

( a ) - ( iv ) , ( b ) - ( i ) , ( c ) - ( iii ) , ( d ) - ( ii )

( a ) - ( i ) , ( b ) - ( ii ) , ( c ) - ( iii ) , ( d ) - ( iv )

( a ) - ( iii ) , ( b ) - ( iv ) , ( c ) - ( ii ) , ( d ) - ( i )

EASY

Earn 100

Eutrophication is caused due to

50% studentsanswered this correctly

Important Questions on Environmental Issues

EASY

Biology>Ecology>Environmental Issues>Water Pollution and its Control

The minimum proportion of impurities that made the drinking water unfit for human consumption is____________

EASY

Biology>Ecology>Environmental Issues>Water Pollution and its Control

Which ONE of the following can NOT cause eutrophication of lakes?

EASY

Biology>Ecology>Environmental Issues>Water Pollution and its Control

Eutrophication is the natural ageing of lake by _______

EASY

Biology>Ecology>Environmental Issues>Water Pollution and its Control

Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of

EASY

Biology>Ecology>Environmental Issues>Water Pollution and its Control

A lake which is rich in organic waste may result in

EASY

Biology>Ecology>Environmental Issues>Water Pollution and its Control

A scrubber in the exhaust of a chemical industrial plant removes:

EASY

Biology>Ecology>Environmental Issues>Water Pollution and its Control

The maximum concentration of harmful chemicals is expected to be found in organisms

EASY

Biology>Ecology>Environmental Issues>Water Pollution and its Control

Match the following

	List-I		List-II
(A)	Hospital wastes	(I)	Electrostatic precipitators
(B)	${SO}_{2}$ pollution	(II)	Catalytic converters
(C)	Particulates	(III)	Scrubbers
(D)	Automobile exhausts	(IV)	Biotoilets
		(V)	Incinerators

EASY

Biology>Ecology>Environmental Issues>Water Pollution and its Control

One of the following is called as 'Terror of Bengal'.

EASY

Biology>Ecology>Environmental Issues>Water Pollution and its Control

The biomagnification of which pollutant causes a decline in the bird population?

EASY

Biology>Ecology>Environmental Issues>Water Pollution and its Control

An increase in the concentration of the toxicant at successive trophic levels is known as:

MEDIUM

Biology>Ecology>Environmental Issues>Water Pollution and its Control

Rachel Carson's famous book ''Silent Spring'' is related to:

EASY

Biology>Ecology>Environmental Issues>Water Pollution and its Control

Air (Prevention and Control of Pollution) Act was amended in

1987

to include among pollutants:

HARD

Biology>Ecology>Environmental Issues>Water Pollution and its Control

Match the items given in Column I with those in Column II and select the correct option given below:

	Column – I		Column –II
a.	Eutrophication	i.	UV-B radiation
b.	Sanitary landfill	ii.	Deforestation
c.	Snow blindness	iii.	Nutrient
d.	Jhum cultivation	iv.	Waste disposal

EASY

Biology>Ecology>Environmental Issues>Water Pollution and its Control

According to Supreme Court of India, ruling with respect to 'Bharat Stage VI' Norms, from which date, these are supposed to be implemented in the country?

EASY

Biology>Ecology>Environmental Issues>Water Pollution and its Control

Match List - I with List - II :

	List - I (compound)		List - II (effect/affected species)
a	Carbon monoxide	i	Carcinogenic
b	Sulphur dioxide	ii	Metabolized by pyrus plants
c	Polychlorinated biphenyls	iii	Haemoglobin
d	Oxides of Nitrogen	iv	Stiffness of flower buds