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The theory that all animals and plants are made up of cells and they could arise only from pre-existing cells was propounded by

A. Robert Hooke

B. Matthias Schleiden and Theodore Schwann

C. Purkinije

D. Leuwenhoek

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  1. In plants water is carried upwards by
  2. Life begets life' or biogenesis was stated by
  3. One of the following disease cannot be prevented by the DPT (triple-antigen) immunization of children.
  4. Man is warm-blooded, frog is cold-blooded, Which one of the following is cold-blooded?
  5. The principal reason why it is better to have two eyes than one is that
  6. Sexual selection theory was propounded by
  7. The ultimate substances to which the carbohydrates are degraded are
  8. Plant diseases are spread by
  9. Herbivores are
  10. Organisms which synthesise their own food are called
  11. Which among the following is not a degenerative disease?
  12. The smallest size of a cell which can be seen directly by the eye is
  13. A plant cell is distinguishable from an animal cell by the presence of
  14. Whooping cough is caused by
  15. The plant that is dispersed with the help of water is
  16. Pneumonia is ,a bacterial disease caused by the type of bacteria called
  17. Timberline shows
  18. Plants grown in darkness show
  19. Blood cancer is otherwise called
  20. Athlete's Coot is the common name for the fungal disease
  21. The geotropism of the roots that makes them grow towards gravity is said to be
  22. Tetrodotoxin is a potent poison that
  23. The plants will stop growing if the shoot tip is cut off because
  24. Name the nematode which lives in lymph vessels of man.
  25. Leafy trees help in preventing
  26. The pH of normal urine of man ranges from
  27. Calcium and phosphorus assimilation will depend on sufficient intake of
  28. 1 gm of carbohydrate gives energy which is about
  29. Which organelle in the cell, other than nucleus, contains DNA?
  30. The hormone that is responsible for secondary sexual character in the male is