66. Suppose you are given hot kichdi to eat. How will it cool down without blowing air from your mouth?
(A) By mixing cold water into it
(B) By spreading it over the plate
(C) By putting ice cubes into it
(D) None of these
Answer:
(B) By spreading it over the plate
Explanation:
Spreading the hot food out over a wider surface area (like a plate) allows more heat to escape into the surrounding air, increasing the natural rate of cooling and evaporation.
67. In which direction one has to travel while going from Mumbai to Leh?
(A) East
(B) West
(C) North
(D) South
Answer:
(C) North
Explanation:
Mumbai is located on the western coast in the lower half of India, while Leh is located in the union territory of Ladakh in the extreme northern part of the country. One must travel straight north to get there.
68. By what quality players are generally recognized?
(A) By their caste
(B) By amount of money they have to make
(C) By their style and fashion
(D) By their talent and ability to play
Answer:
(D) By their talent and ability to play
Explanation:
In sports, players are and should be recognized and evaluated entirely by their skill, talent, and ability to perform in the game.
69. Polio is caused by:
(A) Bacteria
(B) Virus
(C) Infection
(D) None of these
Answer:
(B) Virus
Explanation:
Poliomyelitis (polio) is a highly infectious disease caused specifically by the poliovirus, which can attack the nervous system and cause paralysis.
70. During breathing which gas is most required by us?
(A) Oxygen
(B) Carbon dioxide
(C) Nitrogen
(D) None of these
Answer:
(A) Oxygen
Explanation:
Human cellular respiration requires oxygen. We breathe in air to absorb oxygen into our bloodstream and expel carbon dioxide as a waste product.
