1. When soil pores saturated with subsoil water:
(A) Water logging
(B) Salinity
(C) Land reclamation
(D) All of these
2. Reason of water logging:
(A) Over irrigation
(B) Seepage
(C) All of these
(D) Excessive rainfall
3. Water logging can be controlled by:
(A) Economical use of water
(B) Pumping
(C) All of these
(D) Sump Well
4. Salinity refers to concentration of:
(A) Acids
(B) Oxygen
(C) Salts
(D) Hydrogen
5. The common salts of salinity are:
(A) Sodium Chloride & Potassium Titrate
(B) Sodium & Chlorine
(C) Sodium & Potassium Titrate
(D) Sodium Chloride & Magnesium Sulfate
6. Primary Salinity is also known as:
(A) Natural
(B) Dry Land
(C) Irrigation
(D) None of these
7. Secondary Salinity is also known as:
(A) Dry Land
(B) Natural
(C) Irrigation
(D) None of these
8. Tertiary Salinity is also known as:
(A) Dry Land
(B) Natural
(C) None of these
(D) Irrigation
9. Salinity is suitable for:
(A) Drinking
(B) Farming
(C) All of these
(D) Infrastructure
10. Making land use-able for irrigation:
(A) All of these
(B) Water logging
(C) Salinity
(D) Reclamation of land