Doldrums is/are
A
Mount of sand blown and formed on beaches and in deserts
B
Low pressure belt of calm and light surface winds near the Equator
C
The north-east and south-east winds
D
Planetary winds
Correct Answer: Low pressure belt of calm and light surface winds near the Equator
Doldrums are Low pressure belt of calm and light surface winds near the Equator. The "doldrums" is a popular nautical term that refers to the belt around the Earth near the equator where sailing ships sometimes get stuck on windless waters.