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

Insulin
Gastrin
Actin
Haemoglobin

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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. A bull in a china shop

A person who becomes too excited where no excitement is warranted
A person who is very ugly but loves the beautiful things of life
A person who is rough and clumsy where skill and care are required
A person who takes a sadistic delight in harming innocent people

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