36) Crop ratio is the ratio of area irrigated

• (a) in Rabi season to Kharif season
• (b) in Kharif season to Rabi season
• (c) under perennial crop to total crop
• (d) under perennial crop to non-perennial crop

37) The duty of irrigation water will be less if

• (a) area irrigated is more
• (b) water supply required is less
• (c) water supply required is more
• (d) none of the above

38) The relation between duty (D) in hectares / cumec, delta (Δ) in metres and base period (B) in days is

39) The area in which crop is grown at a particular time or crop season, is called

• (a) gross commanded area
• (b) culturable commanded area
• (c) culturable uncultivated area
• (d) none of the above

40) The first watering before sowing the crop, is known as

• (a) kor watering
• (b) paleo
• (c) delta
• (d) none of these