Subject :NSO Class : Class 2
Study the given diagrams showing two aquariums. Vartika wants to find out if over crowding 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)
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Ans 1:
Class : Class 2
Ans 2:
Class : Class 4