Questions

In 2004, NASA launched the Messenger Spacecraft to study ___.

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

The passengers were afraid but the captain ___________ them that there was no danger.

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Private companies do not produce new varieties and inputs ______ as a result of their own research.

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Rome was not built in a day

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'.

Sarah's father, died(A)/of heart attack at(B)a very young age.(C)/No error(D)

Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.

We set out for the gallows. Two warders marched on either side of the prisoner, with their rifles at the slope; two others marched close against him, gripping him by his arm and shoulder, as though, at once pushing and supporting him. The rest of us, magistrates and the like, followed behind. Suddenly, when we had gone ten yards, the procession stopped short without any order or warning. A dreadful thing had happened ­ a dog, come goodness knows whence, had appeared in the yard. It came bounding among us with a loud volley of barks, and leapt round us wagging its whole body, wild with glee at finding so many human beings together. It was a large woolly dog, half Airedale, half Pariah. For a moment, it pranced round us, and then, before anyone could stop it, it had made a dash for the prisoner, and jumping up tried to lick his face. Everyone stood aghast, too taken aback even to grab at the dog.

How did the author respond to the appearance of the dog?

What happens as we go down the group in the periodic table?

Ammonium nitrate, on thermal decomposition, produces :