A. Impaction
B. Abrasion
C. Stratification
D. Scarification
Related Mcqs:
- The seed dormancy of rice seed can be broken by putting into the oven at____________________?
A. 50°c for 5 hrs
B. 53°c for 6 hrs
C. 45°c for 6 hrs
D. none of the above - Seed dormancy of nee seeds can be successfully broken by heat treatment at________________?
A. 50°c for 3-7 days
B. 45°c for 3-8 days
C. 54°c for 2-6 days
D. None of the above - Breeders seed production is taken up from the nucleus seed B and A lines are pollinated in an isolation of 1 Km in a ratio of_________________?
A. 1:2
B. 1:3
C. 1:4
D. 1:5 - The management of kind by planting a series of crops, pastures or following to maximize production with sustaining land quality is called_______________?
A. Crop rotation
B. Crop sequence
C. Cropping system
D. Crop management - Percentage of area irrigated by a cusec of water during the season is called_______________?
A. Intensity
B. Base period
C. Cusec
D. Irrigation frequency - The negative logarithm of the hydrogen ion concentration, a measure of the acidity of a solution is called_______________?
A. pH
B. EC
C. Cl
D. Saliruiy - The series of transformation which a nutrient undergoes in the biosphere before returning to its original formed is called_______________?
A. Carbon cycle
B. Nutrient cycle
C. Nitrogen cycle
D. None of the above - A. income farm where the operator is producing primarly his family’s needs rather than for sale is called_______________?
A. Family farming
B. Subsistence farming
C. Intensive farming
D. Progressive farming - The depth of irrigation water required for the full crop period is called_______________?
A. Consuptive use of water
B. Delta of water
C. Optimum use of water
D. non of these - Highly decomposed stage of organic matter is called_______________?
A. Cellulose
B. Organic acid
C. Humus
D. All the above