Questions

What is the capital of Uttarakhand?

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.
Opprobrium

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.
Riya _____ her matriculation examination in 2016.

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

Ammonium nitrate, on thermal decomposition, produces :

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.

After retirement Surti lived _______ Australia.

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.

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.

What is crude mineral oil?