1
Question
Match list I and list II.
List I List II A. Greenhouse effect 1. Causes skin cancer, cataract B. Acid rain 2. Corrodes marble, painted surfaces C. Depletion of ozone layer 3. Melting of polar ice caps D. Photo chemical smog 4. Causes irritation of eyes and mucous membrane 5. Causes headache and decreased vision
| List I | List II |
| A. Greenhouse effect | 1. Causes skin cancer, cataract |
| B. Acid rain | 2. Corrodes marble, painted surfaces |
| C. Depletion of ozone layer | 3. Melting of polar ice caps |
| D. Photo chemical smog | 4. Causes irritation of eyes and mucous membrane |
| 5. Causes headache and decreased vision |
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Solution
The correct option is B A-3, B-2, C-1, D-4
- Greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. The greenhouse gasses trap heat and make air less permeable, thus, raising the temperature across the globe which is responsible for the melting of polar ice caps.
- Acid rain is rain or any other form of precipitation that is unusually acidic, i.e. it has elevated levels of hydrogen ions. It can have harmful effects on plants, aquatic animals, and infrastructure. Acid rain damages buildings and structures because it dissolves the stone or corrodes the metal that is exposed to the weather. The phenomenon is also called Marble cancer.
- The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation. Ozone layer depletion increases the amount of ultraviolet-B (UVB) rays that reach the Earth's surface. Negative effects include skin cancers, eye cataracts, and immune deficiency disorders in human beings. It also affects plant growth, reducing agricultural productivity.
- Photochemical smog is the chemical reaction of sunlight, nitrogen oxides, and volatile organic compounds in the atmosphere, which leaves airborne particles and ground-level ozone. In photochemical smog, nitrogen oxides are irritating to the eyes, skin, nose, mucous membranes, and respiratory tract.
Hence, the correct matches will be:
A−3,B−2,C−1,D−4
Therefore, option (B) is the correct answer.
- Greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. The greenhouse gasses trap heat and make air less permeable, thus, raising the temperature across the globe which is responsible for the melting of polar ice caps.
- Acid rain is rain or any other form of precipitation that is unusually acidic, i.e. it has elevated levels of hydrogen ions. It can have harmful effects on plants, aquatic animals, and infrastructure. Acid rain damages buildings and structures because it dissolves the stone or corrodes the metal that is exposed to the weather. The phenomenon is also called Marble cancer.
- The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation. Ozone layer depletion increases the amount of ultraviolet-B (UVB) rays that reach the Earth's surface. Negative effects include skin cancers, eye cataracts, and immune deficiency disorders in human beings. It also affects plant growth, reducing agricultural productivity.
- Photochemical smog is the chemical reaction of sunlight, nitrogen oxides, and volatile organic compounds in the atmosphere, which leaves airborne particles and ground-level ozone. In photochemical smog, nitrogen oxides are irritating to the eyes, skin, nose, mucous membranes, and respiratory tract.
Hence, the correct matches will be:
A−3,B−2,C−1,D−4
Therefore, option (B) is the correct answer.
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