11 The largest amount of energy that Earth receives from the Sun is in the from of
Infrared and heat energy
12 The study of the inter-relationships of plants and animals with each other and with their environment is known as
Ecology
13 The best source of Vitamin C is
Oranges
14 J. J. Thomson discovered
Electron
15 The nerve centre for sight is located in the
Cerebrum
16 Radius, Ulna and Scapula are
Bones of the arm
17 A green leaf illuminated by blue light looks
Black
18 Why does a dog hang its tongue out?
To cool its body
19 Who lays eggs in a honeybee colony?
The queen bee
20 If Cerebellum get injured, the person
Cannot walk in a straight line or stand erect
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