Questions

An enzyme speeds up a reaction by

A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentence in Indirect/Direct Speech.

He said, “The dog died in the night.”

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 is in favour of drawing conclusions on the basis of

Which gas in the atmosphere is essential for respiration?

A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence inPassive/Active Voice

Who burned the food?

In the following question, a sentence is given with some bold words which may contain errors. Below the sentence, a table is given with two columns in which column 'A' contains the list of bold words, and in column 'B' the suggested corrections are listed. You have to choose the best alternative among the four given options. If no correction is required against the given bold words, mark (E), i.e., "None of the above" as your answer. 

After learning that Ranjhi Rajak, a pilgrim from Madhya Pradesh had collapsed near Bhairo temple and needed immediate medical attention, SI Bahuguna carried Rajak on his back and walked uphill for over 2 kms till they reached the nearby hospital.

Choose the word that best defines the given phrase‘Prolonged inability to sleep’

The goal of a command economy is to