The natural defence of our body against foreign germs is formed by

A. red corpuscles

B. white corpuscles

C. platelets

D. lymph

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  1. Jaundice is caused by a/an
  2. Kwashiorkor' is caused by deficiency of
  3. Carbohydrates are mainly needed for
  4. Higher plants take up nitrogen as
  5. The influenza vaccine was discovered by
  6. Blood pressure is measured by
  7. Which organism probably arrived first in the world?
  8. An inherited characteristic which does not appear in one generation but can appear in the next is called
  9. The following disease is prevented by triple-antigen immunization
  10. Niche' refers to
  11. Lactose and Rennin, the enzymes required to digest milk, disappear in the human body by the age of _______…
  12. Life begets life' or biogenesis was stated by
  13. The valve between the right auricle and right ventricle is called
  14. Maintenance of pregnancy is under the control of
  15. Who was the first scientist/doctor who attempted vaccination?
  16. The plant hormone which promotes ripening of fruits is
  17. Green plants synthesise carbohydrates by the
  18. Which one of the following is essential for blood clotting?
  19. The theory that believes that the first living organism came from another planet is known as
  20. The blood pressure is controlled by the hormone
  21. The cavities of the brain are filled with
  22. Human blood is oxygenated and purified in the
  23. Chemical substances that called have effect on growth of plants are called
  24. The two minerals required to keep teeth and bones intact and in good condition are
  25. What is an antigen?
  26. Insulin is produced in the human body by the
  27. Two tall plants, each being a hybrid and carrying a recessive factor for dwarfness are crossed. What…
  28. The metallic part of haemoglobin is
  29. Whooping cough is caused by
  30. Phototropism means that plants react to the direction of