Soil Pollution and Pesticides
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CHXI14:ENVIRONMENTAL CHEMISTRY

318558 Drawback of DDT as pesticide is

1 It is less effective than others
2 It is not easily/rapidly degraded in nature
3 Its high cost
4 It becomes ineffective after some time
CHXI14:ENVIRONMENTAL CHEMISTRY

318559 Solid component of the earth consisting of soil, rocks and mountains is called

1 Hydrosphere
2 Lithospehere
3 Atmosphere
4 Biosphere
CHXI14:ENVIRONMENTAL CHEMISTRY

318560 The correct statement among the following is

1 Extensive use of chemical fertilizers may lead to eutrophication of nearby water bodies.
2 Both Azotobacter and Rhizobium fix atmosphenc nitrogen in root nodules of plants.
3 Cyanobacteria such as Anabaena and Nostoc are important mobilizers of phosphates and potassium for plant nutrition in soil.
4 At present it is not possible to grow maize without chemical fertilizers.
CHXI14:ENVIRONMENTAL CHEMISTRY

318561 The term biomagnification refers to the

1 Increase in population size
2 Growth of organisms due to food consumption
3 Increase in the concentration of nondegradable pollutants as they pass through food chain
4 Blowing up of environmental issues by man
CHXI14:ENVIRONMENTAL CHEMISTRY

318562 BHC and DDT act as

1 Carcinogens
2 Allergens
3 Asthmatic agents
4 All of these
NEET DIGITAL LIBRARY
CHXI14:ENVIRONMENTAL CHEMISTRY

318558 Drawback of DDT as pesticide is

1 It is less effective than others
2 It is not easily/rapidly degraded in nature
3 Its high cost
4 It becomes ineffective after some time
CHXI14:ENVIRONMENTAL CHEMISTRY

318559 Solid component of the earth consisting of soil, rocks and mountains is called

1 Hydrosphere
2 Lithospehere
3 Atmosphere
4 Biosphere
CHXI14:ENVIRONMENTAL CHEMISTRY

318560 The correct statement among the following is

1 Extensive use of chemical fertilizers may lead to eutrophication of nearby water bodies.
2 Both Azotobacter and Rhizobium fix atmosphenc nitrogen in root nodules of plants.
3 Cyanobacteria such as Anabaena and Nostoc are important mobilizers of phosphates and potassium for plant nutrition in soil.
4 At present it is not possible to grow maize without chemical fertilizers.
CHXI14:ENVIRONMENTAL CHEMISTRY

318561 The term biomagnification refers to the

1 Increase in population size
2 Growth of organisms due to food consumption
3 Increase in the concentration of nondegradable pollutants as they pass through food chain
4 Blowing up of environmental issues by man
CHXI14:ENVIRONMENTAL CHEMISTRY

318562 BHC and DDT act as

1 Carcinogens
2 Allergens
3 Asthmatic agents
4 All of these
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CHXI14:ENVIRONMENTAL CHEMISTRY

318558 Drawback of DDT as pesticide is

1 It is less effective than others
2 It is not easily/rapidly degraded in nature
3 Its high cost
4 It becomes ineffective after some time
CHXI14:ENVIRONMENTAL CHEMISTRY

318559 Solid component of the earth consisting of soil, rocks and mountains is called

1 Hydrosphere
2 Lithospehere
3 Atmosphere
4 Biosphere
CHXI14:ENVIRONMENTAL CHEMISTRY

318560 The correct statement among the following is

1 Extensive use of chemical fertilizers may lead to eutrophication of nearby water bodies.
2 Both Azotobacter and Rhizobium fix atmosphenc nitrogen in root nodules of plants.
3 Cyanobacteria such as Anabaena and Nostoc are important mobilizers of phosphates and potassium for plant nutrition in soil.
4 At present it is not possible to grow maize without chemical fertilizers.
CHXI14:ENVIRONMENTAL CHEMISTRY

318561 The term biomagnification refers to the

1 Increase in population size
2 Growth of organisms due to food consumption
3 Increase in the concentration of nondegradable pollutants as they pass through food chain
4 Blowing up of environmental issues by man
CHXI14:ENVIRONMENTAL CHEMISTRY

318562 BHC and DDT act as

1 Carcinogens
2 Allergens
3 Asthmatic agents
4 All of these
For More Updates join with Us
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CHXI14:ENVIRONMENTAL CHEMISTRY

318558 Drawback of DDT as pesticide is

1 It is less effective than others
2 It is not easily/rapidly degraded in nature
3 Its high cost
4 It becomes ineffective after some time
CHXI14:ENVIRONMENTAL CHEMISTRY

318559 Solid component of the earth consisting of soil, rocks and mountains is called

1 Hydrosphere
2 Lithospehere
3 Atmosphere
4 Biosphere
CHXI14:ENVIRONMENTAL CHEMISTRY

318560 The correct statement among the following is

1 Extensive use of chemical fertilizers may lead to eutrophication of nearby water bodies.
2 Both Azotobacter and Rhizobium fix atmosphenc nitrogen in root nodules of plants.
3 Cyanobacteria such as Anabaena and Nostoc are important mobilizers of phosphates and potassium for plant nutrition in soil.
4 At present it is not possible to grow maize without chemical fertilizers.
CHXI14:ENVIRONMENTAL CHEMISTRY

318561 The term biomagnification refers to the

1 Increase in population size
2 Growth of organisms due to food consumption
3 Increase in the concentration of nondegradable pollutants as they pass through food chain
4 Blowing up of environmental issues by man
CHXI14:ENVIRONMENTAL CHEMISTRY

318562 BHC and DDT act as

1 Carcinogens
2 Allergens
3 Asthmatic agents
4 All of these
NEET DIGITAL LIBRARY
CHXI14:ENVIRONMENTAL CHEMISTRY

318558 Drawback of DDT as pesticide is

1 It is less effective than others
2 It is not easily/rapidly degraded in nature
3 Its high cost
4 It becomes ineffective after some time
CHXI14:ENVIRONMENTAL CHEMISTRY

318559 Solid component of the earth consisting of soil, rocks and mountains is called

1 Hydrosphere
2 Lithospehere
3 Atmosphere
4 Biosphere
CHXI14:ENVIRONMENTAL CHEMISTRY

318560 The correct statement among the following is

1 Extensive use of chemical fertilizers may lead to eutrophication of nearby water bodies.
2 Both Azotobacter and Rhizobium fix atmosphenc nitrogen in root nodules of plants.
3 Cyanobacteria such as Anabaena and Nostoc are important mobilizers of phosphates and potassium for plant nutrition in soil.
4 At present it is not possible to grow maize without chemical fertilizers.
CHXI14:ENVIRONMENTAL CHEMISTRY

318561 The term biomagnification refers to the

1 Increase in population size
2 Growth of organisms due to food consumption
3 Increase in the concentration of nondegradable pollutants as they pass through food chain
4 Blowing up of environmental issues by man
CHXI14:ENVIRONMENTAL CHEMISTRY

318562 BHC and DDT act as

1 Carcinogens
2 Allergens
3 Asthmatic agents
4 All of these