345049
Non-biodegradable pollutants are created by:
1 Nature
2 Excessive use of resources
3 Humans
4 Natural disasters
Explanation:
A pollutant that is not broken down by natural processes such as heavy metals, plastic etc are created by human activities.
NCERT Exemplar
BIOXII16: ENVIRONMENTAL ISSUES
345050
Assertion : Bharat stage IV emission norms have been in place since April 2010, for 4 wheelers in 13 mega cities of India. Reason : Green muffler scheme refers to the plantation of trees and shrubs along road sides and is effective to control noise pollution only.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
Explanation:
Bharat stage emission standards are emission standards issued by the Government of India to regulate the emission of air pollutants from internal combustion of engine equipments of motor vehicles. Bharat Stage IV norms have been in place for 4-wheelers in 13 mega cities of India since April 2010. Green muffler or green belt vegetation is rows of trees and shrubs grown and maintained to serve as noise absorbers. It also reduces air pollution because the trees and shrubs absorb pollution gases and cause settling of suspended particulate matter.
BIOXII16: ENVIRONMENTAL ISSUES
345051
The white marbles of Taj Mahal is turning yellow due to
1 \(\mathrm{SO}_{2}\)
2 \(\mathrm{NO}_{2}\)
3 \(\mathrm{CO}_{2}\)
4 \(\mathrm{SO}_{3}\)
Explanation:
\(\mathrm{SO}_{2}\) is the main reason for yellowing of marbles of Taj Mahal. It's released from refineries and mix with atmospheric moisture and forms sulphuric acid. It reacts with marble \(\left(\mathrm{CaCO}_{3}\right)\) and leads to discoloration or corrosion of the monument.
BIOXII16: ENVIRONMENTAL ISSUES
345052
____ are used in electostatic precipitator.
1 Scrubber
2 Absorbers
3 Electrodes
4 Both 1 and 3
Explanation:
Scrubber and electrodes are used in electrostatic precipitator.
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BIOXII16: ENVIRONMENTAL ISSUES
345049
Non-biodegradable pollutants are created by:
1 Nature
2 Excessive use of resources
3 Humans
4 Natural disasters
Explanation:
A pollutant that is not broken down by natural processes such as heavy metals, plastic etc are created by human activities.
NCERT Exemplar
BIOXII16: ENVIRONMENTAL ISSUES
345050
Assertion : Bharat stage IV emission norms have been in place since April 2010, for 4 wheelers in 13 mega cities of India. Reason : Green muffler scheme refers to the plantation of trees and shrubs along road sides and is effective to control noise pollution only.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
Explanation:
Bharat stage emission standards are emission standards issued by the Government of India to regulate the emission of air pollutants from internal combustion of engine equipments of motor vehicles. Bharat Stage IV norms have been in place for 4-wheelers in 13 mega cities of India since April 2010. Green muffler or green belt vegetation is rows of trees and shrubs grown and maintained to serve as noise absorbers. It also reduces air pollution because the trees and shrubs absorb pollution gases and cause settling of suspended particulate matter.
BIOXII16: ENVIRONMENTAL ISSUES
345051
The white marbles of Taj Mahal is turning yellow due to
1 \(\mathrm{SO}_{2}\)
2 \(\mathrm{NO}_{2}\)
3 \(\mathrm{CO}_{2}\)
4 \(\mathrm{SO}_{3}\)
Explanation:
\(\mathrm{SO}_{2}\) is the main reason for yellowing of marbles of Taj Mahal. It's released from refineries and mix with atmospheric moisture and forms sulphuric acid. It reacts with marble \(\left(\mathrm{CaCO}_{3}\right)\) and leads to discoloration or corrosion of the monument.
BIOXII16: ENVIRONMENTAL ISSUES
345052
____ are used in electostatic precipitator.
1 Scrubber
2 Absorbers
3 Electrodes
4 Both 1 and 3
Explanation:
Scrubber and electrodes are used in electrostatic precipitator.
345049
Non-biodegradable pollutants are created by:
1 Nature
2 Excessive use of resources
3 Humans
4 Natural disasters
Explanation:
A pollutant that is not broken down by natural processes such as heavy metals, plastic etc are created by human activities.
NCERT Exemplar
BIOXII16: ENVIRONMENTAL ISSUES
345050
Assertion : Bharat stage IV emission norms have been in place since April 2010, for 4 wheelers in 13 mega cities of India. Reason : Green muffler scheme refers to the plantation of trees and shrubs along road sides and is effective to control noise pollution only.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
Explanation:
Bharat stage emission standards are emission standards issued by the Government of India to regulate the emission of air pollutants from internal combustion of engine equipments of motor vehicles. Bharat Stage IV norms have been in place for 4-wheelers in 13 mega cities of India since April 2010. Green muffler or green belt vegetation is rows of trees and shrubs grown and maintained to serve as noise absorbers. It also reduces air pollution because the trees and shrubs absorb pollution gases and cause settling of suspended particulate matter.
BIOXII16: ENVIRONMENTAL ISSUES
345051
The white marbles of Taj Mahal is turning yellow due to
1 \(\mathrm{SO}_{2}\)
2 \(\mathrm{NO}_{2}\)
3 \(\mathrm{CO}_{2}\)
4 \(\mathrm{SO}_{3}\)
Explanation:
\(\mathrm{SO}_{2}\) is the main reason for yellowing of marbles of Taj Mahal. It's released from refineries and mix with atmospheric moisture and forms sulphuric acid. It reacts with marble \(\left(\mathrm{CaCO}_{3}\right)\) and leads to discoloration or corrosion of the monument.
BIOXII16: ENVIRONMENTAL ISSUES
345052
____ are used in electostatic precipitator.
1 Scrubber
2 Absorbers
3 Electrodes
4 Both 1 and 3
Explanation:
Scrubber and electrodes are used in electrostatic precipitator.
345049
Non-biodegradable pollutants are created by:
1 Nature
2 Excessive use of resources
3 Humans
4 Natural disasters
Explanation:
A pollutant that is not broken down by natural processes such as heavy metals, plastic etc are created by human activities.
NCERT Exemplar
BIOXII16: ENVIRONMENTAL ISSUES
345050
Assertion : Bharat stage IV emission norms have been in place since April 2010, for 4 wheelers in 13 mega cities of India. Reason : Green muffler scheme refers to the plantation of trees and shrubs along road sides and is effective to control noise pollution only.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
Explanation:
Bharat stage emission standards are emission standards issued by the Government of India to regulate the emission of air pollutants from internal combustion of engine equipments of motor vehicles. Bharat Stage IV norms have been in place for 4-wheelers in 13 mega cities of India since April 2010. Green muffler or green belt vegetation is rows of trees and shrubs grown and maintained to serve as noise absorbers. It also reduces air pollution because the trees and shrubs absorb pollution gases and cause settling of suspended particulate matter.
BIOXII16: ENVIRONMENTAL ISSUES
345051
The white marbles of Taj Mahal is turning yellow due to
1 \(\mathrm{SO}_{2}\)
2 \(\mathrm{NO}_{2}\)
3 \(\mathrm{CO}_{2}\)
4 \(\mathrm{SO}_{3}\)
Explanation:
\(\mathrm{SO}_{2}\) is the main reason for yellowing of marbles of Taj Mahal. It's released from refineries and mix with atmospheric moisture and forms sulphuric acid. It reacts with marble \(\left(\mathrm{CaCO}_{3}\right)\) and leads to discoloration or corrosion of the monument.
BIOXII16: ENVIRONMENTAL ISSUES
345052
____ are used in electostatic precipitator.
1 Scrubber
2 Absorbers
3 Electrodes
4 Both 1 and 3
Explanation:
Scrubber and electrodes are used in electrostatic precipitator.