General Knowledge Questions

The idiom “to hear it on the grapevine” means to hear about something from informal communication or to hear a gossip. The above sentence talks about the rumour that is spread about the number of vacancies for various posts. Hence, option 3 is correct.

Chaparral biome is also called Mediterranean. The chaparral biome is a part of each continent and consists of various types of terrain including mountains and plains. It is often confused with the desert biome because they share many similarities such as both being hot and dry. The chaparral biome receives more rainfall per year than the desert biome.

Chloroplasts are organelles found in plant cells and eukaryotic algae that conduct photosynthesis. Chloroplasts absorb sunlight and use it in conjunction with water and carbon dioxide gas to produce food for the plant.

The  Presidentof  India  is  the  head of   the   executive   of   the   Union Government    and    all    executive powers are exercised by him or her either   directly   or   through   the subordinate  officers.  President  can appoint  the  important  officers  in Central  Government  including  the Attorney-General   for   India.   The supreme   commander   of   all   the defence  services  is  the  President and  in  this  capacity,  he  appoints the  chief  of  the  Army,  the  Naval and the Air Force.