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

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1. Which statement is wrong for viruses?

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

2. Cell wall of fungi consists of

Chitin
Suberin
Hemicellulose
Lignin

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