Tissues — Science STD 9 — Question

Which one of the following species of honey bee is an Italian species?

Which of the following is a mismatch?

1. Leprosy- bacterial infection.
2. AIDS- bacterial infection.
3. Malaria- protozoan infection.
4. Elephantiasis- nematode infection.

Which of the following statement defines hypertonic solution:

Alikunhi is famous for development of the technique of:

If you are to visit an agricultural field in December, you will not come across which of the following?

Kranti, Pusa Agrani and pusa bold are improved varieties of:

1. Urad bean.
2. Sunflower.
3. Chick pea.
4. Mustard.

Natural system of classification employs:

1. Compleify of cell structure.
2. Complexity of body structure.
3. Organisation.
4. All the above.

Starfish belongs to phylum:

1. Mollura.
2. Coelenterata.
3. Arthropoda.
4. Echinodermata.

Mitochondria are seats of:

1. Aerobic respiration.
2. Krebs cycle of aerobic respiration.
3. Glycolysis of aerobic respiration.
4. Anaerobic respiration.

Which are sensitive to SO₂ pollution?

1. Mosses.
2. Lichens.
3. Algae.
4. Ferns.