Idiom
Hemoglobin ,the oxygen carrying substance in red blood cells,is a

Nuclei acid
Fats
Proteins
Carbohydrates

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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. I sent him about his business as I could stand his insolence no longer.

dismissed him peremptorily
broke the partnership with him
requested him to bother someone else
abused him heartily

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