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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