Questions

1. In India Alluvial Soils are most likely found in Indo-Gangetic Plains that stretches across almost East and North India. 

2. Indo-Gangetic Plains has got this name after the two rivers The Indus and The Ganges Drain th plain.

3. These soil cover more than the 35% of the total land in India.

4. These Soils are suitable for Wheat, Vegetables, Cotton, Bajra, Oil seeds,...

5. These soils tend to be sandier and has quick draining properties than many other soils in India.

Sunanda K Datta-Ray

The F1, F2 to F12 keys that are found on the top row of most computer keyboards are called as Function Keys. Unless you've witnessed the evolution of computers from their early days, you probably don't know why they were invented and for what.
Function keys were used by various computer programs to fulfill various functions.

F12 - It is used by many web browsers to open the developer tools.

sedimentary features all are related to water deposited minerals and rocks.

Which of your choices has nothing to do with water is not a sedimwntary structure. Here in the given choices Magma emplacement is not a sedimentary structure.

In Indian History, Dandi March or Salt Sathyagraha or The Salt March, also known as the Dandi Satyagraha, was an act of nonviolent civil disobedience in colonial India led by Mohandas Karamchand Gandhi to produce salt from the seawater. 

It is also called as 'White Flowing River'.