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Give two reasons to explain as to why we need to conserve our forest resource.[2]  (b) (i) Mention two conditions required for the growth of Littoral Forest. (ii) State one characteristic feature of the forest found in the Nilgiri Hills.[2]  (c) (i) Give two reasons to explain as to why the Tropical Evergreen Forests are difficult to exploit for commercial purpose. (ii) Name any two trees found in Tropical Evergreen forests.[3]  (d) Briefly explain each of the following:  (i) The trees in the Tropical Desert Forest have stunted growth. (ii) There is a gradual increase in the forest cover in India in recent times. (iii) The trees in Monsoon Deciduous forests, shed their leaves for about 6-8 weeks during March and April.[3] Solutions Forests must be conserved because they have a favourable effect on the climate or temperature and rain / help in soil conservation / flood control measure / maintains the ecological balance / habitat of wild life / provide forest products ...