Economic Biology Model Question Paper

9th Standard

    Reg.No. :
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Science

Time : 01:00:00 Hrs
Total Marks : 40
    7 x 1 = 7
  1. Apiculture is the rearing of ____________.

    (a)

    Silk worm

    (b)

    Bacteria

    (c)

    Apex culture

    (d)

    Honey bees

  2. The quality and taste of honey depends upon the flower visited by _____________.

    (a)

    bees

    (b)

    flies

    (c)

    farmer

    (d)

    queen bee

  3. Nowadays organic farming and organic products are very popular, which of the following is the reason for people to prefer this kind of products.

    (a)

    Organic food may have higher nutritional value than conventional food

    (b)

    Consuming organic food may also reduce exposure to artificial chemicals

    (c)

    it reduces air pollution

    (d)

    All the above

  4. It is a live floating nitrogen factory.

    (a)

    Azolla

    (b)

    Azospirillum

    (c)

    Azotobacter

    (d)

    Rhizobium

  5. Flavonoids drug is obtained from _______________.

    (a)

    Nilavembu

    (b)

    Katralai

    (c)

    Vepalai

    (d)

    Pappali

  6. Haryana, Ongole, Kankrej are the cattle breeds favoured by farmers, because they are ____________.

    (a)

    Draught breeds

    (b)

    Dual purpose breeds

    (c)

    Buffalo breeds

    (d)

    Dairy breeds

  7. Which of the following is correctly matched?

    (a)

    Apiculture - Honey bee

    (b)

    Pisciculture- Silk moth

    (c)

    Sericulture - Fish

    (d)

    Aquaculture - Mosquito

  8. 4 x 2 = 8
  9. Differentiate Pollen and Nectar

  10. 5 x 3 = 15
  11. What are Lingzhi mushrooms? Give some of its benefits?

  12. What is Panchagavya? How it is prepered?

  13. Why are manure and fertilizers used in fields.

  14. How do good animal husbandry practices benefit the farmers?

  15. Explain how soil gets affected by the continuous plantation of crops in a field.

  16. 2 x 5 = 10
  17. Explain any five types Fish culture practices.

  18. List out the uses of honey.

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