Question

Section-C
Attempt any Four.
Q14. Role of human being in biodiversity conservation.

Q15. Write short notes on useful fungi

Q16. Differentiate between dicot & monocot

Q17. Birds need to keep their body light to help in flying hence they show presence of
Some organs only on one side how their skeleton helps in reducing their weight.

010. The RBC surface normally shows glycoprotein molecule when determining blood
Group do they play any role.

Q19. What is lock & key model?
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Answer 1

Explanation:

19) In 1894, German chemist Emil Fischer proposed the lock and key theory, which states that enzymes have a specific shape that directly correlates to the shape of the substrate. Basically, substrates fit into an enzyme the way a key fits into a lock