EASY
Earn 100

The two gases making highest relative contribution to the greenhouse gases are

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Important Questions on Environmental Issues

MEDIUM
Biology>Ecology and Environment>Environmental Issues>Greenhouse Effect and Global Warming
What is greenhouse effect? Write the name of two greenhouse gases affecting greenhouse effect.
MEDIUM
Biology>Ecology and Environment>Environmental Issues>Greenhouse Effect and Global Warming
Define greenhouse effect. Name the greenhouse gases.
MEDIUM
Biology>Ecology and Environment>Environmental Issues>Greenhouse Effect and Global Warming
What is global warming? Give any two causes responsible for global warming.
EASY
Biology>Ecology and Environment>Environmental Issues>Greenhouse Effect and Global Warming
Write any one reason for global warming.
MEDIUM
Biology>Ecology and Environment>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

MEDIUM
Biology>Ecology and Environment>Environmental Issues>Greenhouse Effect and Global Warming
An increase in the level of greenhouse gases leads to global warming. How can it be controlled?
MEDIUM
Biology>Ecology and Environment>Environmental Issues>Greenhouse Effect and Global Warming
What are the main consequences of Global warming ?
EASY
Biology>Ecology and Environment>Environmental Issues>Greenhouse Effect and Global Warming
Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?
HARD
Biology>Ecology and Environment>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:

HARD
Biology>Ecology and Environment>Environmental Issues>Greenhouse Effect and Global Warming
Describe the Green House effect.
EASY
Biology>Ecology and Environment>Environmental Issues>Greenhouse Effect and Global Warming
Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers?
EASY
Biology>Ecology and Environment>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 and Environment>Environmental Issues>Greenhouse Effect and Global Warming
An increase in the concentration of the toxicant at successive trophic levels is known as:
HARD
Biology>Ecology and Environment>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? 
EASY
Biology>Ecology and Environment>Environmental Issues>Greenhouse Effect and Global Warming
CO2 acts as a greenhouse gas because:
EASY
Biology>Ecology and Environment>Environmental Issues>Greenhouse Effect and Global Warming
Which, among grass, goat, tiger and vulture, in a food chain, will have the maximum concentration of harmful chemicals in its body due to contamination of pesticides in the soil?
EASY
Biology>Ecology and Environment>Environmental Issues>Greenhouse Effect and Global Warming
The highest DDT concentration in aquatic food chain shall occur in
HARD
Biology>Ecology and Environment>Environmental Issues>Greenhouse Effect and Global Warming
Define Greenhouse gases. Give any two examples. 
MEDIUM
Biology>Ecology and Environment>Environmental Issues>Greenhouse Effect and Global Warming
How is green house gas raise the temperature of Earth?
EASY
Biology>Ecology and Environment>Environmental Issues>Greenhouse Effect and Global Warming
Which of the following pairs of gases is mainly responsible for green house effect?