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Q. No.In the wake of green revolution problems that have come are
a. Waterlogging
b. Soil salinity
c. Desertification
d. Ozone depletion
1. a and b
2. b and c
3. c and d
4. a and d
Subtopic: Resource Utilisation & Maintenance |
62%
From NCERT
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Select the incorrect match.
| 1. | Amrita Devi Bishnoi award | - | Wildlife protection award |
| 2. | Chipko movement | - | by local women in 1974 |
| 3. | Joint forest management | - | Started by government, no participation of local communities |
| 4. | Reforestation | - | may occur naturally |
Subtopic: Resource Utilisation & Maintenance |
61%
From NCERT
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Eutrophication is caused due to?
1. Accumulation of minerals
2. Effect of UV-C
3. Accumulation of metals only
4. Accumulation of zooplankton
1. Accumulation of minerals
2. Effect of UV-C
3. Accumulation of metals only
4. Accumulation of zooplankton
Subtopic: Water Pollution |
70%
From NCERT
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Eutrophication is caused due to?
1. accumulation of minerals
2. effect of UV-C
3. accumulation of metals only
4. accumulation of Zooplankton
1. accumulation of minerals
2. effect of UV-C
3. accumulation of metals only
4. accumulation of Zooplankton
Subtopic: Water Pollution |
87%
From NCERT
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What it is called when thousands of aquatic species are killed over a wide range in sea:
1. Bateson-effect
2. El Nino effect
3. Warburg effect
4. None
1. Bateson-effect
2. El Nino effect
3. Warburg effect
4. None
Subtopic: Green House Effect & Global Warming |
72%
From NCERT
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State true (T) or false (F) for the followin statements and select the correct option.
| A. | Bad ozone is formed in the troposphere. |
| B. | Good ozone is formed in the stratosphere and act as shield against UV rays. |
| C. | UV A may cause snow blindness. |
| A | B | C | |
| 1. | T | T | T |
| 2. | T | F | T |
| 3. | T | T | F |
| 4. | F | T | F |
Subtopic: Ozone Layer Depletion |
64%
From NCERT
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'Polyblend' geveloped by Ahmad Khan is a
1. Method for dealing with electronic wastes
2. Method for dealing synthetic fibers
3. Possible solution to accumulating plastic wastes
4. Product used in organic farming
1. Method for dealing with electronic wastes
2. Method for dealing synthetic fibers
3. Possible solution to accumulating plastic wastes
4. Product used in organic farming
Subtopic: Solid Waste Pollution |
86%
From NCERT
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Which of the following is not used for controlling air pollution in Delhi?
1. Phasing out of old vehicles
2. Use of unleaded petrol
3. Use of low sulphur petrol and diesel
4. Use of electrostatic precipitator in vehicles
1. Phasing out of old vehicles
2. Use of unleaded petrol
3. Use of low sulphur petrol and diesel
4. Use of electrostatic precipitator in vehicles
Subtopic: Air Pollution |
68%
From NCERT
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Harmful effects of air pollutants depend upon
a. Organism exposed
b. Duration of exposure
c. Concentration of pollutants
1. Only a
2. Only c
3. Only a and b
4. All a b and c
a. Organism exposed
b. Duration of exposure
c. Concentration of pollutants
1. Only a
2. Only c
3. Only a and b
4. All a b and c
Subtopic: Air Pollution |
87%
From NCERT
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Environment Protection Act protects the quality of
a. Air
b. Water
c. Soil
d. Environment
1. Only c
2. Only b and c
3. Only a
4. All a, b, c and d
a. Air
b. Water
c. Soil
d. Environment
1. Only c
2. Only b and c
3. Only a
4. All a, b, c and d
Subtopic: Introduction to Pollution & Types |
90%
From NCERT
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