Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

By which name is family planning known now?

What is divergent evolution?

Name the type of interaction seen between figs and wasps.

OR

Comment on the interaction between certain species of fig trees and wasps.

Write the names of two technical methods by which the symptoms of bacterial or viral infected diseases are identified before they appear on the body.

Write the name of contraceptive pills taken once in a week.

Name two free-living nitrogen fixing microbes.

Identify True/ False statements. Correct each false statement to make it true.
Leydig cells are found in ovary. (True/ False)

Name the interaction that exists between Cuscula and shoe-flower plant.

OR

State the type of interaction that exists between ticks and dogs.

Mark the odd one in the following groups.
Whisky, Wine, Brandy, Rum.

Name the embryonic stage that gets implanted in the uterine wall of a human female.