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Biology

Biology
The non-biotic pollutant of underground water is

Viruses
Bacteria
Arsenic
Algae

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Biology
Salts and sugars work to preserve foods by creating a

Depletion of nutrients
Lower osmotic pressure
Hypertonic environment
Lower pH

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Biology
Photosynthesis fulfills which of the following requirements of the autotrophic organisms?I. CarbonII. WaterIII. Energy

I and III
All I, II and III
Only I
Only III

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Biology
Which one of the following weeds is effective in controlling water pollution caused by industrial effluents?

Parthenium
Water hycinth
Elephant grass
Mogar grass

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Biology
How many bones are there in the human cranium?

10
12
6
8

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Biology
Protein synthesis in a bacterial cell is done by

Flagella
Ribosomes
Thylakoids
Centrioles

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MORE MCQ ON Biology

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