Biology miscellaneous
- Which of the following does not cause pollution ?
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Use of solar energy does not cause pollution.
Correct Option: B
Use of solar energy does not cause pollution.
- Which of the following weeds has been found useful to check water pollution caused by industrial effluents ?
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Parthenium and Elephant grass are useful to check water pollution caused by industrial effluents.
Correct Option: D
Parthenium and Elephant grass are useful to check water pollution caused by industrial effluents.
- Which of the following agricultural practices have been primarily responsible for pollution of our water resources ?
A. Use of live-stock manure
B. Use of chemical fertilisers
C. Excessive use of chemical pesticides
D. Deforestation
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Use of chemical fertilisers and excessive use of chemical pesticides are primarly responsible for pollution of our water resources.
Correct Option: A
Use of chemical fertilisers and excessive use of chemical pesticides are primarly responsible for pollution of our water resources.
- An invertebrate does not have
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An invertebrate does not have back bone and cell wall.
Correct Option: A
An invertebrate does not have back bone and cell wall.
- Odontology is the branch of science which deals with the study of
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Scientific study of teeth is called Odontology.
Correct Option: A
Scientific study of teeth is called Odontology.
