Typhoid is a disease caused by

A. virus

B. bactena

C. fungus

D. animal

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  1. The endocrine glands secrete
  2. Consumption of potassium cyanide leads to total stoppage of cellular activity in the human body, as…
  3. Food substances are substances by
  4. The nerve messages enter the cell through the
  5. Dwarf plants can be made to attain their normal stature by applying
  6. The thrombocytes are associated with
  7. Xerophthalmia is a deficiency disease. Deficiency of _________ causes it.
  8. Which among the following is the best source of proteins?
  9. The small pox vaccine was discovered by
  10. The scientist who discovered the blood groups is
  11. Metastasis' is the process by which
  12. The equilibrium and co-ordination is looked after by which part of the brain?
  13. Which organelle in the cell, other than nucleus, contains DNA?
  14. The amount of blood in a normal man is about
  15. What are top carnivores?
  16. Which one of the following acts as a communication system?
  17. The radicle of the seeding always grows
  18. Biologists have so far known, found and identified a large number of species in the plant and animal…
  19. Vitamin D is known as anti-rachitic vitamin because it cures the deficiency disease called
  20. The disease in which blood clotting does not take place is known as
  21. The blood of cockroach shows the following characteristics except one. Mark it.
  22. The protoplasm of a child is exactly the same as that of its
  23. Phototropism means that plants react to the direction of
  24. Cutting and layering are the methods of plant propagation usually referred to as
  25. Turner's syndrome is a disease caused by
  26. The potato is a modified stem, is explained by the presence of
  27. Which of the following organelles is known as the 'power House' of the cell?
  28. The juice from the leaves of ________ is used for the treatment of diarrhoea, cholera and dysentery.
  29. Vestigeal organs are those which are
  30. Kangaroo is one of the animals popularly called as