The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Forests are renewable living resource which provide wood and a number of other products. Conservation of forests is used in :
(i) prevention of soil erosion.
(ii) flood control.
(iii) maintenance of water cycle.
(iv) maintenance of health of climatic regimes.
(v) perennial supply of water and
(vi) providing raw materials like timber, wood pulp etc.