Questions

What is the name of the technology developed by Australian Scientists to transform soybean oil into graphene?

How much per cent of th e Indian population h ave access tointernet in India in 2015?

Which one of the following is not an exclusive right of the concerned coastal nations over Exclusive Economic Zone (EEZ)?

Black soil is also known by which of the following name ?

Bharatiya Janata Party is a part of which political group?

Which of the following physical quantity measures the rate of work done?

Which of the following is the cleanest source of energy?

Read the following passage carefully and choose the most appropriate answer to the question out of the four alternatives.

To avoid the various foolish opinions to which mankind are prone, no superhuman brain is required. A few simple rules will keep you free, not from all errors, but from silly errors. If the matter is one that can be settled by observation, make the observation yourself. Aristotle could have avoided the mistake of thinking that women have fewer teeth than men, by the simple device of asking Mrs. Aristotle to keep her mouth open while he counted. Thinking that you know when in fact you do not is a bad mistake, to which we are all prone. I believe myself that hedgehogs eat black beetles, because I have been told that they do; but if I were writing a book on the habits of hedgehogs, I should not commit myself until I had seen one enjoying this diet. Aristotle, however, was less cautious. Ancient and medieval writers knew all about unicorns and salamanders; not one of them thought it necessary to avoid dogmatic statements about them because he had never seen one of them.

According to the author, unicorns and salamanders