science

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Across
  1. 3. lens used for correcting hypermetropia
  2. 4. circular diaphragm behind the cornea
  3. 5. Substances which do not take part in the reaction but fasten up the reaction.
  4. 7. STD, bacterial infection
  5. 8. interaction of organisms along with abiotic components of environment
  6. 11. phenomenon of bending of light
  7. 12. light sensitive membrane on the back wall of eye ball
  8. 14. inventor of first telescope
  9. 16. Compounds of carbon with hydrogen
  10. 17. dense opaque outer covering of eyeball
  11. 21. Self-linking property of an atom
  12. 22. stage when reproductive organs become functional
  13. 23. fusion of male and female gamete
  14. 27. colour of spectrum having longest wavelength
  15. 30. transfer of pollen from anther to stigma
  16. 32. largest absolute refractive index
  17. 33. Name of group 1
  18. 34. branch of science dealing with heredity and variation
  19. 36. Curdy white precipitate formed when soap is used with hard water
  20. 38. colour of spectrum having shortest wavelength
Down
  1. 1. Solution of 5-8% ethanoic acid in water
  2. 2. preserved bodies or impressions of animals or plants between rocks
  3. 6. process of formation of new species
  4. 7. vision of a human being
  5. 9. Compounds formed by sharing of electrons.
  6. 10. splitting of light through prism
  7. 13. Reaction for preparing soap
  8. 15. first trophic level
  9. 16. transmission of features from on generation to another
  10. 18. discoverer of raman effect
  11. 19. Iodine dissolved in alcohol(ethanol)
  12. 20. lens used for correcting myopia
  13. 24. ________law of octaves.
  14. 25. Vertical column in the modern periodic table
  15. 26. Horizontal row in the modern periodic table
  16. 28. sinI/sinR = constant
  17. 29. C6H6
  18. 31. Same molecular formula different physical properties
  19. 35. levels of food chain
  20. 37. agreement to freeze CFC production at 1986 levels