Questions

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

People may see, and hear, and feel all their lives without ____________ learning the nature of things they see. But reason is the mind's eye, and enables us to see why things are, and when and how events may be made to happen ___________ not to happen. The logician endeavours to ____________ exactly what this reason is which makes the power of men. We all, as I have said, must reason well or ill, but logic is the science of reasoning and enables us to distinguish ______________ the good reasoning which leads to truth, and the bad reasoning which every day betrays people into error _________ misfortune.

made to happen ___________ not to happen. 

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Candid

'Parsec' is the unit measurement of

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
An old unmarried woman

During fermentation of sugar, the compound which is always formed is

Which gas contributes most to the Greenhouse effect?

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word

Which Virus causes Chicken Pox?