The most accepted theory of the origin of earth is the fiery origin which was propounded by

A. Laplace

B. Chamberlain

C. James Jean

D. Hoyle

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. The heart of the human embryo starts beating in the _____ week of its development.
  2. Which one of the following is caused by the expression of a recessive gene present on sex chromosome?
  3. Man is warm-blooded, frog is cold-blooded, Which one of the following is cold-blooded?
  4. The animal without urinary bladder is
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  6. What is 'atavism'?
  7. Which element in chillies causes burning sensations?
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  11. Insects that make a clicking sound are
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  14. The buffer substance in blood is
  15. Maize is attacked by
  16. The aphotic zone means that light is
  17. The diseases that are caused by lack of vitamins are called
  18. Xerophthalmia is a deficiency disease. Deficiency of _________ causes it.
  19. Translocation of food takes place in plants through
  20. The olfactory area is concerned with
  21. Hormones are carried from their place of production by
  22. The artificial kidney is a
  23. Which among the following cows give maximum milk yields?
  24. The involuntary muscles are controlled by the
  25. Lecuminous plants are recommended for rotation of crops because they
  26. The rate of heartbeat is accelerated by the hormone
  27. Which of the following cell organelles play the most significant role in protein synthesis?
  28. In movable joints the tips of the bones are covered with
  29. Which among the following is a Cast growing tree?
  30. Blood is a kind of