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Lizards, snakes, crocodiles and turtles belong to the class

A. Aves

B. Reptilia

C. Mammalia

D. Amphibia

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  1. Veins carry blood
  2. Which one of the following cells helps in storing water and food materials?
  3. The larva of the housefly is called
  4. The ultimate substances to which the carbohydrates are degraded are
  5. Which one is a water-soluble vitamin?
  6. The blood pressure is controlled by the hormone
  7. The counting of RBCs is done with
  8. The 'mad-cow disease' (Jakob-Creutzfeldt disease) is produced by certain
  9. The plant that is dispersed with the help of water is
  10. Damage to hearing is caused by sounds which exceed
  11. Infection of salivary glands by a virus leads to
  12. In case of a heart attack a hormone is injected as an emergency measure. Which one is it?
  13. Bats can fly in the dark because
  14. The theory that believes that the first living organism came from another planet is known as
  15. What are halophytes?
  16. Two tall plants, each being a hybrid and carrying a recessive factor for dwarfness are crossed. What…
  17. The eland having endorine as well as exocrine function is
  18. A biopsy is performed on a patient generally to detect which one of the following?
  19. Which one of the following is both an exocrine and an endocrine gland?
  20. The hormone secreted when one is frightened or excited
  21. The country where commercial production of cultured pearls is undertaken on large scale is
  22. Rate of mutation can be increased in plants by
  23. Sleeping sickness in man is caused by the organism
  24. Eosinophil™s are stained by
  25. Maintenance of pregnancy is under the control of
  26. Clotting of blood is
  27. Plants growing in sunlight are called
  28. Antisnake venom is prepared by
  29. Turner's syndrome is a disease caused by
  30. Life begets life' or biogenesis was stated by