Questions

Select the word with the correct spelling.

Ajay Thakur kabaddi player belongs to

Anti Terrorism Day is observed in India on May 21 to commemorate the death of

Who invented the mobile phone?

Megasthenes was an ambassador for which of the following empires?

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

There was an old study

A-of marathon runners which

B-heart muscle during post-mortem

C-showed significant fibrosis of the

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

Crude mineral oil comes out of the earth as a thick brown or black liquid with a strong smell. It is a complex mixture of many different substances, each with its own individual qualities. Most of them are combinations of hydrogen and carbon in varying proportions. Such hydrocarbons are also found in other forms such as bitumen, asphalt and natural gas. Mineral oil originates from the carcasses of tiny animals and from plants that live in the sea. Over million of years, these dead creatures form large deposits under sea­bed and ocean currents cover them with a blanket of sand and silt. As this material hardens, it becomes sedimentary rock and effectively shuts out the oxygen, thus preventing the complete decomposition of the marine deposits underneath. The layers of sedimentary rocks become thicker, and heavier. Their pressure produces heat, which transforms the tiny carcasses into crude oil in a process that is still going on today.

Sedimentary rocks leads to the formation of oil deposits because

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

In exactly the same words as were used originally