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Which organism probably arrived first in the world?

A. Algae

B. Fungi

C. Protozoa

D. None of the above

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  1. Which of the following is a disease of brain?
  2. One of the following is called a feminine hormone. Which one is it?
  3. Eugenics is the application of genetics to improve
  4. Human blood is oxygenated and purified in the
  5. The workers in the honey bee colony are
  6. Development without fertilization is called
  7. Sexual selection theory was propounded by
  8. Sadabahar, a common weed, is the raw material that provides the source of medicines used In the treatment…
  9. In case of a heart attack a hormone is injected as an emergency measure. Which one is it?
  10. The genetic code DNA is carried from the nucleus to Ribosome by
  11. Enzymes are produced by
  12. The hormone secreted when one is frightened or excited
  13. Which among, the following is a solid lubricant?
  14. The blood clotting requires the vitamin
  15. Green plants In the sea are useful for respiration of flash because they
  16. Metastasis' is the process by which
  17. Which among the following is a Cast growing tree?
  18. The organ that produces antibodies in our body is
  19. The natural defence of our body against foreign germs is formed by
  20. The blood of cockroach shows the following characteristics except one. Mark it.
  21. Hypogeal germination is found in
  22. The association between leguminous plants and bacteria is
  23. Leafy trees help in preventing
  24. The country where commercial production of cultured pearls is undertaken on large scale is
  25. The golden age of Dinosaurs was
  26. Haemophilia is a hereditary disease carried by
  27. The term 'Fauna' means
  28. The valve between the right auricle and right ventricle is called
  29. The olfactory area is concerned with
  30. The blood pressure is controlled by the hormone