The statement below is followed by four options. Each option is related to the item in the statement, but only one is always true. Select the option that always holds and makes the statement true.
"A desert always has ______."
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → Very little rainfall
The answer must hold for every desert, without exception. An option that is present in most cases but can be missing in even one case is not always true.
Option (1) Very little rainfall — a desert is a region of scanty rainfall; that is what makes it a desert, whether it is hot like the Thar or cold like Ladakh, so this is always true.
Option (2) Sand dunes — rocky and cold deserts such as Ladakh have bare rock and stones, not sand dunes.
Option (3) Hot weather all year — Ladakh is a cold desert, freezing in winter.
Option (4) Thick grass cover — the lack of rain allows only scanty vegetation, not a thick cover of grass.