(a) Tropical evergreen forests are difficult to exploit for commercial purposes because they are dense and found in mixed stands.
(b) Two characteristics of tidal forests are :
(i) They can grow in salty water.
(ii) Trunks of these trees are supported by still like roots.
(c) Three reasons why forests must be conserved are :
(i) They help in preventing floods.
(ii) They check soil erosion.
(iii) They help to save the habitat of the wild animals.
(d) Three trees found in monsoon deciduous forests are : Sal, Teak and Myrobalan.
Uses:
Sal: Its timber is useful for railway sleepers.
Teak: Its timber is used for house construction and furniture.
Myrobalan: Its fruit provide material for tanning leather.
