Zoology - Human Health and Diseases Two Marks Question

12th Standard EM

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Biology

Time : 00:45:00 Hrs
Total Marks : 30
    15 x 2 = 30
  1. Given below are some human organs. Identify one primary and one secondary lymphoid organ. Explain its role. Liver, thymus, stomach, thyroid, tonsils.

  2. What are interferons? Mention their role.

  3. List out chemical alarm signals produced during inflammation.

  4. Explain the process of replication of retrovirus after it gains entry into the human body.

  5. Name the causal agent of African sleeping sickness and the vector.

  6. What is a digenic organism?

  7. Name two plants with hallucinogenic properties.

  8. List the signs and symptoms of mental depression.

  9. Mention the three phases in the life of Plasmodium parasite with their respective host.

  10. What causes shivering in malarial patient?

  11. Write a brief note on GALT.

  12. Why secondary immune response is more effective than primary immune response?

  13. Name the Agranulocytes involved in immune response

  14. Draw a simplified diagram of immunoglobulin.

  15. On which basis, the antibodies are classified? Name them.

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