Q. Which of the following forests are grown in less than 50cm rainfall?

[A] Montane forests

[B] Thorn forests

[C] Littoral and Swamp forests

[D] Tropical Deciduous forests

Answer: B

Explanation: Tropical thorn forests occur in the areas which receive rainfall less than 50 cm.

  • These consist of a variety of grasses and shrubs.
  • It includes semi-arid areas of south west Punjab, Haryana, Rajasthan, Gujarat, Madhya Pradesh and Uttar Pradesh.

Source: NCERT – Fundamental of Physical Geography