Idiom
It is an oxygen carrying protein of red colour concentrated in red blood cells.

Haemoglobin
Insulin
Gastrin
Actin

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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. Maya had a checkered career. since I first knew him as an office assistant in the insurance company.

A career where he signed a lot of cheques
Did odd jobs
Had a variety of jobs and experiences
A career which helped him make lot of money

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