Economic Biology Model Question Paper

9th Standard

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Science

Time : 02:00:00 Hrs
Total Marks : 50
    5 x 1 = 5
  1. The production and management of fish is called

    (a)

    Pisciculture

    (b)

    Sericulture

    (c)

    Aquaculture

    (d)

    Monoculture

  2. Which one of the following is not an Indian major carp?

    (a)

    Rohu

    (b)

    Catla

    (c)

    Mrigal

    (d)

    Singhara

  3. Drones in the honey bee colony are formed from

    (a)

    unfertilized egg

    (b)

    fertilized egg

    (c)

    parthenogenesis

    (d)

    both b and c

  4. The plant body of mushroom is

    (a)

    Spawn

    (b)

    Mycelium

    (c)

    Leaf

    (d)

    All of these

  5. It is a live floating nitrogen factory.

    (a)

    Azolla

    (b)

    Azospirillum

    (c)

    Azotobacter

    (d)

    Rhizobium

  6. 5 x 1 = 5
  7. Carica papaya leaf can cure __________ disease.

    ()

    dengue fever

  8. __________ is the maintenance of bee colonies in modern hives.

    ()

    Apiculture or Bee keeping

  9. __________ refers to the culture of prawns, pearl and edible oysters.

    ()

    Aquaculture

  10. ___________ is a preservative in honey.

    ()

    Formic acid

  11. Pasturage is related to _______________.

    ()

    apiculture

  12. 5 x 1 = 5
  13. Medicinal plants contain compounds that can be used for therapeutic purposes.

    (a) True
    (b) False
  14. Mycorrhiza is an algae.

    (a) True
    (b) False
  15. Milch animals are used in agriculture and transport.

    (a) True
    (b) False
  16. Ongole is an exotic breed of cattle.

    (a) True
    (b) False
  17. Sheep manure contains high nutrients than farm yard manure.

    (a) True
    (b) False
  18. 5 x 3 = 15
  19. What are secondary metabolites?

  20. What are the types of vegetable garden?

  21. Mention any two mushroom preservation methods.

  22. What are the species of earthworm used for vermiculture?

  23. List the medicinal importance of honey.

  24. 4 x 5 = 20
  25. Give an account on medicinal plants.

  26. What are biofertilisers? Give examples. Why are biofertilisers better than other fertilizers.

  27. What are the sources of organic resources for vermicomposting?

  28. List out the uses of honey.

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