Questions

Which one of the following is n ot an objective of the Pradhan Mantri Krishi Sinchayee Yojana (PMKSY)?

Right to education in our country is a _________right.

Which one of the following statements with regard to the National Commission for Scheduled Tribes is not correct?

Who was the first Chancellor of Jamia Millia Islamia University at Aligarh?

Find the odd word/letters/number from the given alternatives.

Which of the following organisation has approved a $25-30 billion commitment plan for India for the 2019-22 period? 

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

In view of last year's H1N1 attack and prevailing ________________ weather conditions, the health department officials _______________ that the virus will turn more active by January end. In-charge, Integrated Disease ________________ Programme (IDSP), Dr Shah, said, "Virus is still active, but not in a major way. In coming months, it is likely to become more active. Last year too, virus had claimed lives in January and February. Therefore, we are _____________ as coming months might _________________ a challenge."

Therefore, we are _____________

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