Botany - Economically Useful Plants and Entrepreneurial Botany Model Question Paper

12th Standard EM

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Biology

Time : 02:00:00 Hrs
Total Marks : 50
    6 x 1 = 6
  1. Groundnut is native of _____________

    (a)

    Philippines

    (b)

    India

    (c)

    North America

    (d)

    Brazil

  2. Tectona grandis is coming under family

    (a)

    Lamiaceae

    (b)

    Fabaceae

    (c)

    Dipterocaipaceae

    (d)

    Ebenaceae

  3. New world species of cotton

    (a)

    Gossipium arboretum

    (b)

    G.herbaceum

    (c)

    Both a and b

    (d)

    G.barbadense

  4. The active principle trans-tetra hydro canabial is present in

    (a)

    Opium

    (b)

    Curcuma

    (c)

    Marijuana 

    (d)

    Andrographis

  5. The only cereal that has originated and domesticated from the New world.

    (a)

    Oryza sativa

    (b)

    Triticum asetumn

    (c)

    Triticum duram

    (d)

    Zea mays

  6. Paddy, Wheat and Sorghum, etc., comes under the category of cereals. All the members ofcereals belong to which of the following family?

    (a)

     Fabaceae

    (b)

     Poaceae

    (c)

     Leguminoneae

    (d)

    Caesalpinaeceae

  7. 6 x 1 = 6
  8. Sorghum is native to _________continent.

    ()

    Africa

  9. ________ is the state tree of Tamil Nadu.

    ()

    Palmyra

  10. Which district of Tamil Nadu is the World's largest wholesale turmeric dealer?

    ()

    Erode

  11. Binomial of teak is_________

    ()

     Tectona grandis

  12. The active principle in Marijuana is_________ 

    ()

    Trans-tetrahydrocanabinal (THC).

  13. The principal coloring agent present in the leaf paste of Lawsonia inermis which give orange to dark red when applied on skin is ______

    ()

    Lacosone

  14. 4 x 1 = 4
  15. Rice

  16. (1)

    Anacardiaceae
     

  17. Cashew nut

  18. (2)

    Poaceae

  19. Lady's finger

  20. (3)

    Malvaceae
     

  21. Plam

  22. (4)

    Arecaceae
     

    6 x 2 = 12
  23. Write the cosmetic uses of Aloe.

  24. What is pseudo cereal? Give an example.

  25. Name the humors that are responsible for the health of human beings.

  26. Give definitions for organic farming?

  27. What is maida? Mention its culinary purpose.

  28. Name any four millet varieties.

  29. 4 x 3 = 12
  30. Differentiate bio-medicines and botanical medicines.

  31. What are millets? What are its types? Give example for each type.

  32. What is TSM? How does it classified and what does it focuses on?

  33. Write the uses of nuts you have studied.

  34. 2 x 5 = 10
  35. Write the economic importance of rice.

  36. What are the King and Queen of spices? Explain about them and their uses.

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TN 12th Standard EM Biology free Online practice tests

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