Lamarck's theory of inheritance of acquired characters was challenged by

A. August Weismann

B. Hugo de Vries

C. Herbert- Spencer

D. Carl Linnaeus

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

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  18. A person with a blood group ____ is considered to be an universal donor.
  19. Insects that make a clicking sound are
  20. The drug Ergot is obtained from
  21. Pulse rate is measured in the wrist by observing the jerks of blood In the
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