Evolution — BIOLOGY STD 12 Science — Question

Life originated from earth’s inorganic atmosphere in past but not today. Suggest two reason.

Name the two enzymes used in producing protoplasts.

Standing crop and biomass are related to each other, how?

Name an immune immunosupressive agent?

What is evolution according to Hardy-Weinberg?

Eutrophication is the natural aging of a lake; mention any other feature which defines this term.

High fever, loss of appetite, stomach pain and constipation are some of the symptoms seen in a patient. How would the doctor confirm that the patient is suffering from typhoid and not amoebiasis

Mention one positive and one negative application of amniocentesis.

What causes swelling of the lower limbs in patients suffering from filariasis?

What is the difference in production of wine and whisky?