Multiple choice questions XXXXVII — task. Science CBSE, Class 9.

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1. Which statement is wrong for viruses?

They have ability to synthesize nucleic acid and proteins.
All are parasites.
All of them have helical symmetry.
Antibiotic have no effect on them.

2. Cell wall of fungi consists of

Hemicellulose
Chitin
Lignin
Suberin

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