2nd Class Science Animals Question Bank Animals

  • question_answer Study the given diagrams showing two aquariums. Vartika wants to find out if overcrowding affects the animals living in an aquarium. In order to test the same, which of the following should she keep the same in both aquariums?
    (a) Number of fish
    (b) Amount of water
    (c) Size of tanks
    (d) Type of fish

    A) (a) and (b) only                 

    B) (c) and (d) only

    C) (b), (c) and (d) only          

    D) (a), (b), (c) and (d)

    Correct Answer: C

    Solution :

    Crowding effects can be seen by changing number of fish in water while keeping other factors as constant.

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