Microbes in Sewage Treatment
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BIOXII10: MICROBES IN HUMAN WELFARE

343948 The primary treatment of waste water involves the removal of:

1 Dissolved impurities
2 Stable particles
3 Toxic substances
4 Harmful bacteria.
NCERT Exemplar
BIOXII10: MICROBES IN HUMAN WELFARE

343949 Primary treatment of wastes is the

1 Physical removal of large and small particles from sewage
2 Biological removal of large and small particles from sewage
3 Both (1) and (2)
4 Chemical removal of large and small particles from sewage
BIOXII10: MICROBES IN HUMAN WELFARE

343950 In primary treatment, floating debris is removed by ____

1 Decantation
2 Distillation
3 Sequential filtration
4 Fractional distillation
BIOXII10: MICROBES IN HUMAN WELFARE

343951 Select the correct answer
i. Sewage is treated in STPs to make it less polluting.
ii. STP stands for Sewage test plant

1 Only i is correct
2 Only ii is correct
3 Both are correct
4 None are correct
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BIOXII10: MICROBES IN HUMAN WELFARE

343948 The primary treatment of waste water involves the removal of:

1 Dissolved impurities
2 Stable particles
3 Toxic substances
4 Harmful bacteria.
NCERT Exemplar
BIOXII10: MICROBES IN HUMAN WELFARE

343949 Primary treatment of wastes is the

1 Physical removal of large and small particles from sewage
2 Biological removal of large and small particles from sewage
3 Both (1) and (2)
4 Chemical removal of large and small particles from sewage
BIOXII10: MICROBES IN HUMAN WELFARE

343950 In primary treatment, floating debris is removed by ____

1 Decantation
2 Distillation
3 Sequential filtration
4 Fractional distillation
BIOXII10: MICROBES IN HUMAN WELFARE

343951 Select the correct answer
i. Sewage is treated in STPs to make it less polluting.
ii. STP stands for Sewage test plant

1 Only i is correct
2 Only ii is correct
3 Both are correct
4 None are correct
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BIOXII10: MICROBES IN HUMAN WELFARE

343948 The primary treatment of waste water involves the removal of:

1 Dissolved impurities
2 Stable particles
3 Toxic substances
4 Harmful bacteria.
NCERT Exemplar
BIOXII10: MICROBES IN HUMAN WELFARE

343949 Primary treatment of wastes is the

1 Physical removal of large and small particles from sewage
2 Biological removal of large and small particles from sewage
3 Both (1) and (2)
4 Chemical removal of large and small particles from sewage
BIOXII10: MICROBES IN HUMAN WELFARE

343950 In primary treatment, floating debris is removed by ____

1 Decantation
2 Distillation
3 Sequential filtration
4 Fractional distillation
BIOXII10: MICROBES IN HUMAN WELFARE

343951 Select the correct answer
i. Sewage is treated in STPs to make it less polluting.
ii. STP stands for Sewage test plant

1 Only i is correct
2 Only ii is correct
3 Both are correct
4 None are correct
Join With Us for More Updates
BIOXII10: MICROBES IN HUMAN WELFARE

343948 The primary treatment of waste water involves the removal of:

1 Dissolved impurities
2 Stable particles
3 Toxic substances
4 Harmful bacteria.
NCERT Exemplar
BIOXII10: MICROBES IN HUMAN WELFARE

343949 Primary treatment of wastes is the

1 Physical removal of large and small particles from sewage
2 Biological removal of large and small particles from sewage
3 Both (1) and (2)
4 Chemical removal of large and small particles from sewage
BIOXII10: MICROBES IN HUMAN WELFARE

343950 In primary treatment, floating debris is removed by ____

1 Decantation
2 Distillation
3 Sequential filtration
4 Fractional distillation
BIOXII10: MICROBES IN HUMAN WELFARE

343951 Select the correct answer
i. Sewage is treated in STPs to make it less polluting.
ii. STP stands for Sewage test plant

1 Only i is correct
2 Only ii is correct
3 Both are correct
4 None are correct
For More Updates join with Us