Organisms and Populations — BIOLOGY STD 12 Science — Question

Which bacterium has been used as a clot buster? What is its mode of action.

Name the fluid which protects an embryo.

What is meant by emasculation? When and why does a plant breeder employ this technique?

a. Give an example of viral biocontrol agent.
b. Why are they considered to be desirable when an ecologically sensitive area is being treated?

Discuss with your teacher and find out how to distinguish between:
Exonuclease and Endonuclease

Write two similarities between male monkeys named as 'Dryopithecus' and 'Ramapithecus'.

DNA is unzipped twice in a cell. Mention the two events and the enzymes responsible for it.

Name the type of fruit, apple is categorised under and why? Mention two other examples, which belong to the same category as apple.

Does our blood have proteases and nucleases?

you are given a tall pea plant, how would you find out its genotype? Explain.