Shotgun of knowledge

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Across
  1. 3. poor man's apple
  2. 4. galaxy comes from greek word
  3. 7. influence of humans
  4. 11. local hot and dry winds on indian subcontinent
  5. 14. northern lights
  6. 15. soils of northern plains
  7. 16. first animal in space
Down
  1. 1. silicone valley of india
  2. 2. Richest source of iron
  3. 4. nematode repulsive flower crop
  4. 5. constantly occuring disease
  5. 6. white revolution is related to
  6. 8. Shape of snowflakes
  7. 9. zeatin's family name
  8. 10. study of fruits
  9. 12. plant part that gives cinnamon
  10. 13. queen of cereals