Each of the following questions has underlined idioms/phrases. Each sentence is followed by four options. Choose the option that best describes the meaning of the underlined idiom/phrase.
Something should be done to stop the **brain drain** of Indian scientists to other countries.
- AMovement of professionals to another country for higher studies
- BMovement of professionals to another country for better prospect
- CMovement of professionals to another country for security
- DMovement of professionals to another country for excursion
Explanation
The idiom 'brain drain' refers to the emigration of skilled professionals seeking better opportunities abroad. In the sentence, Indian scientists moving to other countries is the concern. Option (b) 'Movement of professionals to another country for better prospect' is precise. Option (a) specifies higher studies (too narrow), (c) security and (d) excursion are incorrect. Brain drain is about talent leaving for better prospects. Therefore option B is correct. Cross-checked with Oswaal CDS Yearwise Solved Papers.