Multiple -Choice Questions:
________ is very fine sand.
(a) Dust (b) Cloud
_________ are formed around dust particles.
(a) Stones (b) Clouds
If there is/are no ________, then there would be no rain.
(a) Dust (b) germs
The _______ layer of the soil is made up of fine sand and humus.
(a) uppermost (b) Lowermost
The layer of the soil made up of fine sand and humus is called the _______.
(a) topsoil (b) bottomsoil
The uppermost layer of the soil made up of _____ and _______.
(a) Clay, fine sand
(b) Fine sand, humus
(c) Humus, pebbles
Strong wind and water carry the _______ topsoil with them.
(a) loose (b) tight
Topsoil is very ________ because it is rich in humus.
(a) fertile (b) infertile
Topsoil is very fertile because it is rich in ______.
(a) humus (b) clay (c) sand
What is the removal of the fertile topsoil by the action of wind and water called?
(a) Humus (b) Soil erosion
(1)-A; (2)-B; (3)-A; (4)-A; (5)-A; (6)-B; (7)-A; (8)-A; (9)-A; (10)-B