Air Pollution and its Control
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BIOXII16: ENVIRONMENTAL ISSUES

345347 Identify the reasons that cause harm to aquatic life

1 Increase in BOD
2 Algal bloom
3 Biodegradation of organic matter in water
4 All of them
BIOXII16: ENVIRONMENTAL ISSUES

345348 Which of the following is a correct option with reference to pathogenic bacteria and DDT?

1 Bacteria can undergo biomagnification and DDT cannot be broken by living cells.
2 Bacteria cannot undergo multiplication and DDT cannot be broken by living cells
3 Bacteria can undergo biomagnification and DDT can be broken by living cells
4 Bacteria can be digested by living cells and DDT undergoes biomagnification
BIOXII16: ENVIRONMENTAL ISSUES

345349 Statement A :
High concentrations of DDT disturb magnesium metabolism in birds, which causes premature breaking of eggs, eventually causing decline in bird populations.
Statement B :
Eutrophication is the natural aging of a lake by nutrient deficiency of its water.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII16: ENVIRONMENTAL ISSUES

345350 Eutrophication of water bodies leading to killing of fishes is mainly due to non availability of

1 Food
2 Light
3 Essential minerals
4 Oxygen
NEET - 2015
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BIOXII16: ENVIRONMENTAL ISSUES

345347 Identify the reasons that cause harm to aquatic life

1 Increase in BOD
2 Algal bloom
3 Biodegradation of organic matter in water
4 All of them
BIOXII16: ENVIRONMENTAL ISSUES

345348 Which of the following is a correct option with reference to pathogenic bacteria and DDT?

1 Bacteria can undergo biomagnification and DDT cannot be broken by living cells.
2 Bacteria cannot undergo multiplication and DDT cannot be broken by living cells
3 Bacteria can undergo biomagnification and DDT can be broken by living cells
4 Bacteria can be digested by living cells and DDT undergoes biomagnification
BIOXII16: ENVIRONMENTAL ISSUES

345349 Statement A :
High concentrations of DDT disturb magnesium metabolism in birds, which causes premature breaking of eggs, eventually causing decline in bird populations.
Statement B :
Eutrophication is the natural aging of a lake by nutrient deficiency of its water.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII16: ENVIRONMENTAL ISSUES

345350 Eutrophication of water bodies leading to killing of fishes is mainly due to non availability of

1 Food
2 Light
3 Essential minerals
4 Oxygen
NEET - 2015
NEET DIGITAL LIBRARY
BIOXII16: ENVIRONMENTAL ISSUES

345347 Identify the reasons that cause harm to aquatic life

1 Increase in BOD
2 Algal bloom
3 Biodegradation of organic matter in water
4 All of them
BIOXII16: ENVIRONMENTAL ISSUES

345348 Which of the following is a correct option with reference to pathogenic bacteria and DDT?

1 Bacteria can undergo biomagnification and DDT cannot be broken by living cells.
2 Bacteria cannot undergo multiplication and DDT cannot be broken by living cells
3 Bacteria can undergo biomagnification and DDT can be broken by living cells
4 Bacteria can be digested by living cells and DDT undergoes biomagnification
BIOXII16: ENVIRONMENTAL ISSUES

345349 Statement A :
High concentrations of DDT disturb magnesium metabolism in birds, which causes premature breaking of eggs, eventually causing decline in bird populations.
Statement B :
Eutrophication is the natural aging of a lake by nutrient deficiency of its water.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII16: ENVIRONMENTAL ISSUES

345350 Eutrophication of water bodies leading to killing of fishes is mainly due to non availability of

1 Food
2 Light
3 Essential minerals
4 Oxygen
NEET - 2015
Join With Us for More Updates
BIOXII16: ENVIRONMENTAL ISSUES

345347 Identify the reasons that cause harm to aquatic life

1 Increase in BOD
2 Algal bloom
3 Biodegradation of organic matter in water
4 All of them
BIOXII16: ENVIRONMENTAL ISSUES

345348 Which of the following is a correct option with reference to pathogenic bacteria and DDT?

1 Bacteria can undergo biomagnification and DDT cannot be broken by living cells.
2 Bacteria cannot undergo multiplication and DDT cannot be broken by living cells
3 Bacteria can undergo biomagnification and DDT can be broken by living cells
4 Bacteria can be digested by living cells and DDT undergoes biomagnification
BIOXII16: ENVIRONMENTAL ISSUES

345349 Statement A :
High concentrations of DDT disturb magnesium metabolism in birds, which causes premature breaking of eggs, eventually causing decline in bird populations.
Statement B :
Eutrophication is the natural aging of a lake by nutrient deficiency of its water.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII16: ENVIRONMENTAL ISSUES

345350 Eutrophication of water bodies leading to killing of fishes is mainly due to non availability of

1 Food
2 Light
3 Essential minerals
4 Oxygen
NEET - 2015
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here