HARD
Earn 100

Select the correctly matched pairs:
A. Bhopal gas tragedy– leakage of poisonous gas MIC
B. Montreal Protocol– aimed for reduction in greenhouse gases
C. Bali conference (2007)– for checking global warming
D. Kyoto Protocol– was endorsed at COP 3
(a)(C) and (D)
(b)(A), (B) and (C)
(c)(A), (B) and (D)
(d)(A), (B), (C) and (D)

50% studentsanswered this correctly
Important Questions on Environmental Issues
EASY
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
Homeothermy in humans is maintained through

HARD
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
Define Greenhouse gases. Give any two examples.

EASY
Match the following:
List - 1 | List -2 | ||
Carbon monoxide | Global warming | ||
Carbon dioxide | UV - rays | ||
Sulphur dioxide | Eutrophication | ||
Ozone depletion | Acid rain | ||
Oxygen transport |
The correct match is

HARD
Describe the Green House effect.

MEDIUM
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
Define greenhouse effect. Name the greenhouse gases.

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

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

MEDIUM
Define ‘deforestation’. Comment on its effects.

EASY
With reference to temperature adaptations, identify of the following graph

MEDIUM
What is meant by seeding of clouds?

EASY
Following are the responses of different animals to various abiotic factors. Describe each one with the help of an example.
- Regulate

HARD
Which of the following causes biomagnification?

MEDIUM
What are the main consequences of Global warming ?

HARD
Very soon, our country will be the world’s highest populous country. This alarming rise in population forces us to find new areas for food production. CMFRI suggested the conversion of mangrove forests into aquacultural areas. If so, what will be the environmental and health problems we will be facing?

MEDIUM
How is green house gas raise the temperature of Earth?

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

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

