The geotropism of the roots that makes them grow towards gravity is said to be

A. positive

B. negative

C. neutral

D. oblique

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  1. The insect vector for the disease Leishmaniasis is
  2. The germ theory of diseases was put forward by
  3. One of the following is called a feminine hormone. Which one is it?
  4. The blood pressure is controlled by the hormone
  5. Bovine Spongiform Encephalopathy refers to
  6. Plague is caused by
  7. Insect pollination is known as
  8. The dinosaurs (terrible lizards) became very successful during
  9. In one minute normally the heart beats
  10. Which of the following plays an important part in photosynthesis?
  11. Which organelle in the cell, other than nucleus, contains DNA?
  12. Chlorosis is the phenomenon where leaves have
  13. The most accepted theory of the origin of earth is the fiery origin which was propounded by
  14. The influenza vaccine was discovered by
  15. During dehydration, the human body is usually lost by the human body is
  16. Which among the following diseases is not caused by viral infection?
  17. The first person to observe the bacteria, protozoa and spermatozoa under the microscope was
  18. Calcium and phosphorus assimilation will depend on sufficient intake of
  19. When one gene controls two or more different characters simultaneously, the phenomenon is called
  20. Diseases in plants can be caused by
  21. The part of the human brain concerned with sight is the
  22. The medulla oblongata encloses the
  23. The metallic part in haemoglobin is
  24. The universal recipient belongs to blood group
  25. Who discovered the electron microscope?
  26. Agroecology relates
  27. Charles Darwin was influenced in his work by
  28. The equilibrium and co-ordination is looked after by which part of the brain?
  29. Light compensation zone refers to
  30. The small pox vaccine was discovered by