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26.	_____ is an area in which wild life is protected under forest laws.

Answer

Ans:Reserved forest

27.	The partly digested food that passes out of stomach is called ____

Answer

Ans:Chyme

28.	Cholera is caused by the bacterium ____

Answer

Ans:Vibro Cholerae

29.	Pollutants present naturally are known as _____

Answer

Ans:Natural or primary pollutant

30.	Spirulina is a ___ algae.

Answer

Ans: blue green