In the following questions sentences are given with blanks to be filled in with an appropriate word(s). Four alternatives are suggested for each question. Choose the correct alternative out of the four. ______ the rain forests is very important, if we do not want the flora and fauna found there to become extinct.
Assertion : In a wildlife sanctuary, collection of timber, harvesting of minor forest products and private ownership rights are allowed. Reason : A sanctuary is a protected area meant for the conservation of both flora and fauna where cultivation of land is permitted.
Read the following text and answer the following question on the basis of the same : all biomes of the earth constitute the earth's ecosystem. All flora and fauna occur in the lithosphere , atmosphere and hydrosphere along with the their environments . Air , water , soil , biota , temperature and light are the major environmental factors the directly affect the flora and fauna in different geological areas of the earth. Climate of an depends upon :
Some halogen containing compounds are useful in daily life. Some compounds of this class are responsible for exposure of flora and fauna to more and more of UV light which causes destruction to a great extent. Name the class of these halocompounds. In your opinion, what should be done to minimise harmful effects of these compounds.
