Idiom
For each of the following sentences four alternatives are given. You are required to choose the correct meaning of the idiom or phrase given or underlined in the sentence. Chandu used very ugly words against his kind uncle; he threw down the gauntlet before him.

he put several conditions for negotiation
he threw the challenge
he behaved as if he was very great and important person
he abused and insulted him
he showed his readiness to leave the place

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Idiom
Dog in the manger

A dog that has no kennel of its own
A person who puts himself in difficulties on account of other people
A person who prevents others from enjoying something useless to himself
An undersized bull almost the shape of a dog

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Idiom
Mutation is

a change which affects the parents
a change that is inherited
a factor responsible for plant growth
a change which affects the offspring of F2 generation only

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