Evolution — BIOLOGY STD 12 Science — Question

Name four non-human organisms whose genomes have been sequenced.

Write about application and future challanges of HGP

Can you identify major differences between spermatogenesis and oogenesis?

Draw a labelled diagram of female reproductive system.

Name the microbes that help production of the following products commercially:

1. Statin.
2. Citric acid.
3. Penicillin.
4. Butyric acid.

The flow of energy is unidirectional for sustainable ecosystem. Explain.###Energy flow is an unidirectional in ecosystem- explain.

Write a short article on the utility of bacteriophage as a vector.

Why is a person with cuts and bruises following an accident administered tetanus antitoxin? Give reasons.

OR

Why does a doctor administer tetanus antitoxoid and not a tetanus vaccine to a child injured in a roadside accident with a bleeding wound? Explain.

Collect 5 examples of palindromic DNA sequences by consulting your teacher. Better try to create a palindromic sequence by following base-pair rules.

Do you think microbes can also be used as source of energy? If yes, how?