Idiom
Main function of white blood corpuscles is

None of these
Transport of CO2
Transport of oxygen
To produce immune system of body

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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 is a plain, simple and sincere man. He will always call a spade a spade.

say something to be taken seriously
avoid controversial situations
desist from making controversial statement
find meaning or purpose in your action
be outspoken in language

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