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BIOLOGY

Biology
The non-biotic pollutant of underground water is

Viruses
Algae
Arsenic
Bacteria

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Biology
Which group of organisms serves as the best indicator of pollution in a water body

Neuston
Benthos
Plankton
Nekton

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Biology
In female a small portion oviduct is removed and cut end is ligated by surgical operation is called

Tubecotomy
Vascotomy
Neurotomy
Psycotomy

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Biology
Which of the following would cause gene flow?

Genetic drift
Individuals moving into population
Artificial selection
Mutation

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Biology
Oral pills of birth control prevent

Ovulation
Fertilization
Pregnency
Entery of sperm in uterus

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