Burying the radioactive wastes is not acceptable to many people as:
1. there is a risk of groundwater contamination
2. it may explode
3. it will harm the buried dead bodies
4. it may get accumulated in vegetation
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The Environment Protection Act was passed in:
1. 1988
2. 1987
3. 1985
4. 1986
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Brown air consists of:
1. | Sulphur dioxide | 2. | Nitrogen oxides |
3. | Carbon dioxide | 4. | Ozone |
Photochemical smog does not contain:
1. Ozone
2. NOx
3. PAN
4. Carbon monoxide
Which of the following is not an ill effect of PAN?
1. inhibition of electron transport system in plants
2. damage to chloroplasts in plants
3. acute irritation of eyes in humans
4. leukemia in humans
The pH of normal rainwater is:
1. | 6.0 to 7.0 | 2. | 6.5 to 7.5 |
3. | 5.6 to 6.5 | 4. | less than 5.5 |
Identify the incorrectly matched pair with respect to contamination of water:
1. Minamata disease: Mercury
2. Blue bay syndrome: excessive nitrates
3. Black foot disease: excessive arsenic
4. Dental caries: excessive fluoride
The CPCB has recommended zone-wise ambient noise levels. The limit during the day in residential areas is:
1. 75 dB
2. 65 dB
3. 55 dB
4. 50 dB
The group most profoundly affected by global warming normally is:
1. | Plants | 2. | Insects |
3. | Birds | 4. | Mammals |
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Which of the following commits the industrialised nations to reduce greenhouse gas emissions?
1. Montreal protocol
2. Kyoto protocol
3. UNECD earth summit
4. Alma Atta conference
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