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Q:

Which one is harmful mollusc

A) slug
B) snail
C) oyester
D) star fish

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Category : Biology ,

Q:

Deafness is caused by misuse of

A) penicillin
B) tetracycline
C) paracetamol
D) streptomycin

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Category : Biology ,

Q:

Irregular grape like cluster of bacilli is called

A) diplo bacilli
B) strepto bacilli
C) staphylo bacilli
D) none of these

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Category : Biology ,

Q:

The chief component of the cell wall of the majority of fungi is

A) pectin
B) chitin
C) lignin
D) cellulose

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Category : Biology ,

Q:

Which of the following kinds of atom do not occur in carbohydrates

A) carbon
B) hydrogen
C) nitrogen
D) oxygen

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Category : Biology ,