Tick the correct answer.
(i) Which one of the following is NOT a factor of soil formation?
(a) time
(b) soil texture
(c) organic matter
(ii) Which one of the following methods is most appropriate to check soil erosion on steep slopes?
(a) shelter belts
(b) mulching
(c) terrace cultivation
(iii) Which one of the following is NOT in favour of the conservation of nature?
(a) switch off the bulb when not in use
(b) close the tap immediately after using
(c) dispose polypacks after shopping
What is the threat to vegetation and wildlife? What is the need to conserve them? How can we do this?
Describe methods of soil conservation.
What are the major types of vegetation in the world? Describe vegetation in different rainfall conditions.
Write a short note on wildlife.
How is water an important resource?