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Q. No.What is not true regarding the Montreal Protocol?
1.
It is an international treaty designed to protect the ozone layer.
2.
It was signed in 1987.
3.
It entered into force on 1 January 1989.
4.
Same roadmap was developed for both developed and developing countries for reducing ozone depleting substances.
Subtopic: Ozone Layer Depletion |
65%
Level 2: 60%+
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What are the consequences of deforestation?
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I. | Enhanced carbon dioxide concentration in the atmosphere |
| II. | Loss of biodiversity |
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Resource Utilisation & Maintenance |
90%
Level 1: 80%+
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If we consider the problem of environmental pollution, CNG is considered a better fuel for motor vehicles than diesel primarily because:
| 1. | it burns more efficiently than diesel |
| 2. | it cannot be adulterated |
| 3. | it cannot be siphoned off by thieves |
| 4. | setting up distribution points is very easy |
Subtopic: Air Pollution |
89%
Level 1: 80%+
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Degradation of ozone continues for a very long time when CFCs are added to the stratosphere because of the formation of which of the following catalyst?
1. Carbon
2. Cl
3. Fe
4. Oxygen
1. Carbon
2. Cl
3. Fe
4. Oxygen
Subtopic: Ozone Layer Depletion |
86%
Level 1: 80%+
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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. | Enhanced greenhouse effect | ii. | Deforestation |
| c. | Snow blindness | iii. | Nutrient enrichment |
| d. | Slash and burn agriculture | iv. | Global warming |
| 1. | a-ii b-i c-iii d-iv |
| 2. | a-i b-iii c-iv d-ii |
| 3. | a-iii b-iv c-i d-ii |
| 4. | a-i b-ii c-iv d-iii |
Subtopic: Green House Effect & Global Warming | Ozone Layer Depletion | Resource Utilisation & Maintenance | Water Pollution |
95%
Level 1: 80%+
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Two of the most common gases responsible for the ‘greenhouse effect’ are:
1. Carbon dioxide and methane
2. Ozone and Ammonia
3. Oxygen and Nitrogen
4. Nitrogen and Sulphur dioxide
1. Carbon dioxide and methane
2. Ozone and Ammonia
3. Oxygen and Nitrogen
4. Nitrogen and Sulphur dioxide
Subtopic: Green House Effect & Global Warming |
93%
Level 1: 80%+
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Identify the incorrect statement:
| 1. | Electrostatic precipitator can remove over 99 percent of particulate matter present in the exhaust from a thermal power plant. |
| 2. | According to CPCB, particulate sizes of more than 10 micrometers are responsible for causing the greatest harm to human health. |
| 3. | Motor vehicles equipped with catalytic converters should use unleaded petrol. |
| 4. | CNG burns more efficiently than petrol or diesel. |
Subtopic: Air Pollution |
88%
Level 1: 80%+
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes:
| COLUMN I | COLUMN II | ||
| A | Environment protection act | P | 1986 |
| B. | Air [prevention and Control of Pollution] Act | Q | 1981 |
| C. | Water [Prevention and Control of Pollution] Act | R | 1974 |
| D | National Forest Policy | S | 1988 |
Codes:
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | Q | R | S | P |
| 3. | R | S | P | Q |
| 4. | S | P | Q | R |
Subtopic: Air Pollution | Resource Utilisation & Maintenance | Water Pollution |
86%
Level 1: 80%+
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What is the relative contribution of carbon dioxide and methane to total global warming respectively?
1. 14 % and 6 %
2. 14 % and 20 %
3. 60 % and 20 %
4. 60 % and 6 %
1. 14 % and 6 %
2. 14 % and 20 %
3. 60 % and 20 %
4. 60 % and 6 %
Subtopic: Green House Effect & Global Warming |
83%
Level 1: 80%+
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Regarding ozone depletion:
I. CFCs lead to release of Cl atoms in stratosphere that act as catalysts for ozone depletion
II. UV-B radiation can cause snow blindness and cataract
III. The thickness of ozone layer is measured in Dobson Unit
IV. Montreal protocol was signed in 1987 and became effective in 1989 to control emission of ozone depleting substances
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
I. CFCs lead to release of Cl atoms in stratosphere that act as catalysts for ozone depletion
II. UV-B radiation can cause snow blindness and cataract
III. The thickness of ozone layer is measured in Dobson Unit
IV. Montreal protocol was signed in 1987 and became effective in 1989 to control emission of ozone depleting substances
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
Subtopic: Ozone Layer Depletion |
83%
Level 1: 80%+
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