A. Carbon cycle
B. Nutrient cycle
C. Nitrogen cycle
D. None of the above
Related Mcqs:
- 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 - A nutrient element is said to be essential if___________________?
A. Plants can not complete their life cycle in absence of that element
B. Nutrients has some physiological function in metabolism of plant
C. Deficiency symptoms can be removed by application of that putrid
D. All the above - Percentage of area irrigated by a cusec of water during the season is called_______________?
A. Intensity
B. Base period
C. Cusec
D. Irrigation frequency - Ratio of economic yield to biological yield expressed in percentage is called_______________?
A. Harvest index
B. Seed index
C. Total yield
D. Dry matter - 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 - Hitting the seed with force against a hard surface to break seed dormancy is called_______________?
A. Impaction
B. Abrasion
C. Stratification
D. Scarification - 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 - The total dry matter produced by a plant as a resulting photosynthesis is called_______________?
A. Biological yield
B. Mass
C. Physical productivity
D. None of the above - Highly decomposed stage of organic matter is called_______________?
A. Cellulose
B. Organic acid
C. Humus
D. All the above
