The northern slopes of the hills in Himalayan region are at high altitude and have low temperature or are snow covered. This does not allow much vegetation. In the southern part of the hills there are plains and valleys watered by rivers and with fertile soil and pleasant temperature levels all required for dense growth of vegetation.

The westward facing slopes receive much more rain than the eastward facing slopes and the Western Ghats are considerably wetter than the dry Deccan to the east.

To which one of the following types of vegetation does rubber belong to?
(a) Tundra 

(b) Himalayan 

(c) Tidal 

(d) Tropical Evergreen

ANS (d) Tropical Evergreen

Cinchona trees are found in the areas of rainfall more than:
(a) 100 cm
(b) 70 cm
(c) 50 cm
(d) Less than 50 cm
ANS (a) 100 cm

In which of the following states is the Simplipal bioreserve located?
(a) Punjab
(b) Delhi
(c) Orissa
(d) West Bengal
ANS (c) Orissa