Botany MCQ Questions and Answers Quiz

11. Anxiety and stress are caused by

  1. Air pollution
  2. Noise pollution
  3. Water pollution
  4. Nuclear pollution

12. Artificial methods of reproduction do not include

  1. Rhizome
  2. cutting
  3. layering
  4. budding

13. Artificial methods of vegetative propagation includes

  1. Cloning
  2. grafting
  3. cuttings
  4. both b and c

14. Automobile exhaust gas that causes major respiratory problem is

  1. CO
  2. CH4
  3. NO2
  4. Chlorine.

15. Banana is propagated by

  1. Stem cutting
  2. Tillers
  3. Suckers
  4. Crown

16. Basic taxonomic unit is

  1. Kingdom
  2. Genus
  3. Species
  4. Order

17. Binomial nomenclature means writing the name of plant in two words which designate

  1. Order and Family
  2. Family and genus
  3. Species and variety
  4. Genus and species

18. Bioherbicides have been recommended

  1. To prevent eco-degradation
  2. Because of their ready availability
  3. Because of their cheap rates
  4. Because of their abundance

19. BOD is connected with

  1. Organic matter
  2. microbes
  3. Microbes and Organic matter
  4. None of the above.

20. Cadmium damages

  1. Heart
  2. Lungs
  3. Stomach
  4. Liver and Kidneys.
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