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Biology Test 95...

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  • Question 1
    4 / -1

    Match column-I with column-II and select the correct option from the codes given below :-

    Column-I Column-II
    A Electrostatic
    precipitator    		 i used for hospital
    wastes
    B Green muffler ii used in
    automobiles
    C Incineration iii Noise pollution
    D Catalytic
    converter    		 iv used in industries
    and power plants

  • Question 2
    4 / -1

    Endemism is related with, which of the following in-situ strategy :-

  • Question 3
    4 / -1

    Match the column I with Column II ?

    Column-I                 Column-II

    (i) Dachigam           (a) Snow leopard

    (ii) Periyar               (b) Four horned deer

    (iii) Sikkim               (c) Hangul

    (iv) Kanha               (d) Elephant

  • Question 4
    4 / -1

    What is the ratio of HNO3 and H2SO4 in acid rain composition :-

  • Question 5
    4 / -1

    A higher biochemical oxygen demand in a particular segment of a river indicates that :-

  • Question 6
    4 / -1

    Directions For Questions

    A lake near a village suffered heavy mortality of fishes within a few days. Consider the following reasons for this.

    (i)   Lots of urea and phosphate fertilizer were used in the crops in the vicinity

    (ii)  The area was sprayed with DDT by an aircraft

    (iii)  The lake water turned green and stinky

    (iv)  Phytoplankton populations in the lake declined initially, thereby greatly reducing photosynthesis

    ...view full instructions

    Which two of the above were the main causes of fish mortality in the lake ? 

  • Question 7
    4 / -1

    Population size more technically is designated as population density. Select correct statement with respect to this :-

    (a) Not necessarily be measured in number only.

    (b) Can be measured as biomass per unit area or volume.

    (c) Number of individuals per unit area.

  • Question 8
    4 / -1

    Common bath sponge is -

  • Question 9
    4 / -1

    In which animal genital duct and digestive duct join to form cloaca?

  • Question 10
    4 / -1

    Common name of animals are given, find mismatch :-

       Animal  Common name
    A  Chiton  Sea mica
    B  Dentalium  Tusk shell
    C  Doris  Sea Lemon
    D  Sepia  Devil fish

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