List any two bio atctive molecules of fungasl origin and explain how these molecules help in restoring good health in humans.

List any two bioactive molecules of fungal origin and explain how those molecules help in restoring good health in humans.

List any two criteria for selecting a good fuel.

List any two contraceptive methods practised only by women. Mention how these methods work?

One chromosome contains one molecule of DNA. In eukaryotes the length of the DNA molecule is enormously large. Explain how such a long molecule fits into the tiny chromosomes seen at Metaphase.

List out any two effects of loss of bio diversity.

Write any two reactions of glucose which cannot be explained by the open chain structure of glucose molecule.

List any three criteria that molecule can act as a genetic material.

List and explain any two taxonomical aids.