Questions

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.

The author portrays mankind as

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

Go up the beach and watch for tourists (A)/so you could warn anyone(B)/before they get to the water.(C)No error(D)

In 1970, an organized resistance to the destruction of forests spread throughout India and came to be known as-? 

Which of the following caused radioactive pollution along the coast of Kerala?

A covex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be :

What type of force acts on a car moving around a curve?

When the offices of the President and Vice­President fall vacant simultaneously, who acts as President?

The first programming language was