Idiom
Mutation is

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

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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. He does not like to be friendly with Sarita; he always gives her a cold shoulder.

tries to be unfriendly by taking no notice of her
insults her in the presence of others
argues with her on any issue
creates all sorts of troubles for her
pushes her with his shoulder whenever they meet

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Idiom
To pick holes

To criticise someone
None of these
To destroy something
To cut some part of an item
To find some reason to quarrel

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