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The grouping o( blood is based on substances called

A. antibodies

B. antigens

C. antitoxin

D. enzymes

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  1. The cellular and molecular control o( programmed cell death is known as
  2. DNA is found
  3. The study of heart is called
  4. The first sign of life made its appearance on the earth about
  5. Kwashiorkar is characterised by
  6. The plant cells are surrounded rigidly by
  7. Bovine Spongiform Encephalopathy refers to
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  9. The nerve messages enter the cell through the
  10. Which one of the endocrine glands disappears after puberty?
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  12. Biocatalysts are
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  15. Compared to the veins, the walls of arteries are
  16. The spider spins its web from a liquid secreting from its
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  18. Blood of cockroach is
  19. Two tall plants, each being a hybrid and carrying a recessive factor for dwarfness are crossed. What…
  20. The equilibrium and co-ordination is looked after by which part of the brain?
  21. The artificial kidney is a
  22. Which organelle in the cell, other than nucleus, contains DNA?
  23. Lactose and Rennin, the enzymes required to digest milk, disappear in the human body by the age of _______…
  24. Chemical substances that called have effect on growth of plants are called
  25. The primary energy for living organisms is
  26. Pulse rate is measured in the wrist by observing the jerks of blood In the
  27. What is an antigen?
  28. Blood is
  29. Foal' is the young on of the
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