Questions

Stimulus diffusion is a type of expansion diffusion in which the idea is acceptable or adopted but not in its original form and expanded to culturally acceptable.

For example :

1. Mc. Donalds is also in India but not in beef. Indians culture will not accept beef and so it is with different forms like veg, non veg but the idea is same.

2. Yoga is an idea where in different regions use yoga for different reasons but the idea is same.

The    HIV    virus    continuously    invades    and destroys  T-cells  (lymphocytes).  Eventually  the body can't replace the T-cells fast enough, and the  immune  system  deteriorates.  When  the immune  system has deteriorated to the point that it is unable to fight off diseases, a person is diagnosed with AIDS.

An electric arc is a visible plasma discharge between two electrodes that is caused by electrical current ionizing gasses in the air. Electric arcs occur in nature in the form of lightning.

The regional meeting of World Customs Organisation is host in Jaipur.

Ans. B.
The correct preposition here would be 'by'. By follows 'represented' when something takes the place of and refers to something bigger. With follows 'represented' when an attribute with which something or someone is depicted. A contract is not represented in a policy but stated in a policy.