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11th Standard Zoology - Trends in Economic Zoology English Medium Free Online Test One Mark Questions 2020 - 2021

11th Standard

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Zoology

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. Which one of the following is not related to vermiculture?
    (a) Maintains soil fertility
    (b) Breakdown of inorganic matter
    (c) Gives porosity, aeration and moisture holding capacity
    (d) Degradation of non-biodegradable solid waste

    (a)

    a and b is correct

    (b)

    c and d is correct

    (c)

    b and d is not correct

    (d)

    a and c is not correct

  2. Assertion: Nuptial flight is a unique flight taken the queen bee followed by several drones.
    Reason: The queen bee produces a chemical substance called pheromone. The drones in that area are attracted to the pheromone and then mating takes place.

    (a)

    Assertion and reason is correct but not reLated

    (b)

    Assertion and reason is incorrect but related

    (c)

    Assertion and reason is correct but related

    (d)

    Assertion and reason is incorrect but not related

  3. Which of the statement regarding Lac insect is TRUE?

    (a)

    A microscopic.resinous crawling scale insect

    (b)

    Inserts its proboscis into plant tissue suck juices and grows

    (c)

    Secretes lac from the hind end of body.

    (d)

    The male lac insect is responsible for the large-scale production of la(c)

  4. Prawn belongs to the class

    (a)

    Crustacea

    (b)

    Annelida

    (c)

    Coelenterata

    (d)

    Echinodermata

  5. Inland fisheries are

    (a)

    deep sea fishing

    (b)

    capturing fishes from sea coast

    (c)

    raising and capturing fishes in fresh water

    (d)

    oil extraction from fish

  6. Choose the correctly matched pair

    (a)

    Egg layers - Brahma

    (b)

    Broiler types - Leghorn

    (c)

    Dual purpose - White Plymouth rock

    (d)

    Ornamental breeds - Silkie

  7. Choose the wrong statement:
    (A) Vermicompost bed must be selected in an elevated level.
    (B) The vermibed should be exposed to sunlight.
    (C) Water stagnation is necessary for the worms.
    (D) The size of a pit for vermiculture can vary.

    (a)

    A and B

    (b)

    A and C

    (c)

    B and C

    (d)

    A and D

  8. Life cycle of Bombyx mori shows
    (A) Cocoon
    (B) Pupa
    (C) Eggs
    (D) lnstars
    Select the correct order of development

    (a)

    CBAD

    (b)

    CABD

    (c)

    CDBA

    (d)

    CDAB

  9. ___________ is called African bee.

    (a)

    Apis indica

    (b)

    Apis dorsata

    (c)

    Apis adamsoni

    (d)

    Apis mellifera

  10. Choose the correct statement.
    (i) The female lac insect is larger than male.
    (ii) The insect is a parasite.
    (iii) Immature harvesting produces 'Ari lac'.
    (iv) Lac is a good insulator.

    (a)

    i, ii, iii

    (b)

    all the above

    (c)

    ii and iv

    (d)

    i and iii

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