Questions

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, 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.

The shepherd guarded a large ________ of sheep and allowed them to move from pasture to pasture.

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.

The woodpeckers of the West (with one exception) are different _______________ those of the East, and so are the flycatchers, the grosbeaks, the orioles, the tanagers, the humming-birds, _____________ many of the sparrows. ____________ of the purple and bronzed grackles (the latter are _______________ seen on the plains of Colorado, but are not common), the Rockies boast of Brewer's blackbird, ______________ habits are not as prosaic as his name would indicate.

the humming-birds, _____________ many of the sparrows.

In  which  one  of  the  following  cities  are the  Summer  Olympics,  2020  going  to  be held?

The area of a circle is 38.5 cm2. Find its circumference (in cm).

What does 'C' stands for 'CAGR', a business specific term for the geometric progression ratio that provides a constant rate over the specific time period?

In April 2017, N. K. Singh Committee recommended a fiscal deficit of how much percent of GDP by Financial Year 2022-23?

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’.

Education is a instrument which (1)/ imparts knowledge and, therefore (2)/ indirectly controls power. (3)/ No error (4)