Natural Resourc...

Read the statements given below and choose the correct option (F = False, T = True).

(a) Forests influence climate, water cycle and air quality.
(b) In a forest, trees form the uppermost layer, followed by herbs. The shrubs form the lowest layer of vegetation.
(c) The forest keeps on growing and changing and can regenerate.
(d) Forests protect the soil from erosion.

Match the following:
 

Read the statements given below and choose the correct option.

Statement 1: Nothing goes waste in a forest.
Statement 2: Forests provide us wood, gum, medicinal plants and many more things.

Read the following statements with reference to soil:

(i) Weathering is a very fast process of soil formation.
(ii) Percolation of water is faster in sandy soils.
(iii) Loamy soil contains only sand and clay.
(iv) Top soil contains the maximum amount of humus.

Which of the above statements are correct?

Read the following statements and give appropriate terms for each of them:

(a) The process of breakdown of rocks by the action of wind, water, sunlight
(b) Removal of topsoil during heavy rains or strong winds
(c) Accumulation of wastes in the soil generated by human activity, which alters the features of soil
(d) The process of movement of water into deeper layers of soil

Statement 1: Saprophytes play an important role in recycling of nutrients.
Statement 2: Saprophytes feed on living animals.