Micro-organisms act upon the dead plants to produce
(i) sand
(ii) mushrooms
(iii) humus
(iv) wood
Question 13 Microorganisms act upon the dead plants to produce (i) sand (ii) mushrooms (iii) humus (iv) wood
Question 4
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) Topsoil contains the maximum amount of humus.
Choose the correct statements from the above (a) (ii) and (iv) (b) (i) and (iii) (c) (ii) and (iii) (d) (i) and (ii)