Question

Encircle the odd one out. Give reasons for your answer.
1. electric bell, telephone, bullet train, electric cell, electric motor
2. dry cell, button cell, solar cell, plant cell
3 plastic, rubber, silver, wood, bakelite
4. copper, aluminium, glass, lead-tin alloy, german silver

Answer 1

Explanation:

telephone because it is mode of communication and others are related to electrical appliances.

Answer 2

Answer :

1. Telephone because telephone is used for communication.

2. Plant cell because plant cell don't produce electricity.

3. Wood because wood is not man - made.

4. Glass because glass is not a metal.

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