Solve 2012 CBSE : Biology Question Paper (Set-2) given here.
1. Mention the unique flowering phenomenon exhibited by Strobilanthus kunthiana (neelakuranaji).
2. How does smoking tobacco in human lead to oxygen deficiency in their body ?
4. Why is Eichhornia crassipes nicknamed as "Terror of Bengal" ?
5. Write the location and function of the sertoli cells in Human.
8. Write what do phytophagous insects feed on.
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