Organisms which synthesise their own food are called

A. autotrophs

B. heterotrophs

C. saprotrophs

D. auxotrophs

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  1. Which one of the following is essential for blood clotting?
  2. The phenomenon of summer sleep by animals is called
  3. Valves are present inside
  4. Lamarck's theory of inheritance of acquired characters was challenged by
  5. The most primitive mammals are
  6. The universal recipient belongs to blood group
  7. The study of ecology with pyramids was invented by
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  9. Oparin is known for his hypothesis on
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  16. A child goes on vomiting profusely and develops symptoms of diarrhoea. Chances are that in the child's…
  17. Man has ____ pairs of salivary glands.
  18. Fledgling is a term often used to denote the young one of a
  19. Darwinism does not explain
  20. The acid that is secreted in the stomach is
  21. The plant hormone which promotes ripening of fruits is
  22. Blood is
  23. Cutting and layering are the methods of plant propagation usually referred to as
  24. Scurvy is prevented by vitamin
  25. The brain is covered by
  26. When a movement of a plant organ is stimulated by contact with an object, it is termed
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  28. Blood is a kind of
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