Botany Question with Answer


11. Lichens indicate pollution by

  1. O3
  2. SO2
  3. NO2
  4. CO.

12. Linnaeus is credited with introducing

  1. The concept of inheritance
  2. Law of limiting factor
  3. Theory of heredity
  4. Binomial nomenclature

13. Main function of biofertilizer is

  1. To increase chemical process
  2. To increase physiological process
  3. To increase biological process
  4. To increase photosynthesis process

14. Main function of biofertilizer is

  1. To increase chemical process
  2. To increase physiological process
  3. To increase biological process
  4. To increase photosynthesis process

15. Major aerosol pollutant in Jet Plane emission is

  1. SO2
  2. CO
  3. CH4
  4. CFC.

16. Minamata disease is due to pollutant

  1. Lead
  2. Mercury
  3. Hydrogen Sulphide
  4. Sulphur dioxide

17. Most abundant water pollutant is

  1. Detergents
  2. Pesticides
  3. Industrial wastes
  4. Ammonia.

18. Mycorrhizae is associated with the following

  1. Formation of root nodules
  2. Hyphae penetrating the soil
  3. Found mostly in lower plants
  4. Soil erosion

19. Noise Pollution is measured in

  1. Hertz
  2. Fathoms
  3. Manometers
  4. Decibels.

20. Onion and garlic are examples of

  1. Rhizome
  2. corm
  3. stem tuber
  4. bulb

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