Why reproduction is important for an organism ? "Meiosis is characteristically different from Mitosis"-how would you justify the statement ?

How would you differ,Propyne & acetylene.

How would you eliminate peroxide from ether. How would you identify phenol?

Meiotic division during oogenesis is different from that in spermatogenesis. Explain how and why?

Can you think of a situation where we deliberately want to make a species extinct? How would you justify it?

How would you prepare urea from ammonia?

How would you distinguish monocots from dicots?

Cut a transverse section of young stem of a plant from your school garden and observe it under the microscope. How would you ascertain whether it is a monocot stem or dicot stem? Give reasons.

How would you differ chemically:Ethene & Ethyne.

How would you differ,Chemically ethane & ethylene.

How would you prepare but-2-enal from ethanol?