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Consider the following statements in connection with soil-water-crop relationship: 1. Water utilization by plants is mainly from capillary water. 2. The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth duration is its consumptive irrigation requirement. 3. The depth of water required to bring the soil-moisture level of a given soil up to its field capacity is called hygroscopic water. 4. With continuous increase in quantity of water applied, the yield of most crops increases up to a certain limit and then is expected to be constant. Which of the above statements are correct?
If one plots the tank irrigation in India and superimposes it with map of well irrigation,one may find that the two are negatively related. Which of the following statements explain the phenomenon?1. Tank irrigation predates well irrigation.2. Tank irrigation is in the areas with impervioussurface layers.3. Well irrigation requires sufficientground water reserves.4. Other forms of irrigation are not available.Select the correct answer using the code given below.
1996-7 and 2002-3, the area under canal irrigation declined by 2.4 million ha (13.8 percent), the area under tank irrigation fell by 1.4 million ha (42.4 percent), and the area irrigate by all other sources declined by 1 million ha (28 percent). The only irrigation source that increased its share was groundwater wells, by 2.8 million ha (more than 9 percent) Why has such a change in irrigation demands happened? 1. Not enough supply of water from canals 2. More tubewell irrigation by farmers in the source areas of rivers 3. High cost of irrigation water, and  diversion for non-farm use 4. Joint use of water not possible due to social and economic inequalities
If one plots the tank irrigation in India and superimposes it with map of well irrigation, one may find that the two are negatively related. Which of the following statements explain the phenomenon? 1. Tank irrigation predates well irrigation. 2. Tank irrigation is in the areas with impervious surface layers. 3. Well irrigation requires sufficient groundwater reserves. 4. Other forms of irrigation are not available. Select the correct answer using the code given below.
Maslow's need-hierarchy theory of motivation has classified the human needs into five categories as follows. Arrange the following needs in ascending order given by Maslow
1. Safety needs
2. Esteem needs
3. Social needs
4. Physiological needs
5. Self-actualisation needs
What is the sequence of domtion of these needs?
Which of the following statements are correct? (a) Low head bubbler irrigation is a modified method of sprinkler irrigation. (b) Micro spray irrigation is a modified method of sprinkler irrigation. (c) Water application efficiency is usually higher in clayey soils than sandy soils. (d) In sprinkler irrigation system water is applied at lower rates than soils in filterability to prevent ponding and surface run off.
Let us consider in a given area the plantation of a certain crop takes 20 days, and the total water depth required by this crop is 80 cm on the field. Find the duty of irrigation water required for the crop during this period. (
In the hierarchical theory of Maslow, the needs are classified as 1. physiological needs 2. self - actualization needs 3. needs of belong 4. esteem needs 5. safety needs Which of the following is the correct sequence of the hierarchy of these needs from bottom to the top according to Maslow?
Which of the following is the correct order of human needs as formulated in Maslow's hierarchy of needs? a) Safety needs b) Love and belonging needs c) Physiological needs d) Self-actualisation needs e) Esteem needs Choose the most appropriate answer from the options given below:
Depending upon the source from which the water is drawn, flow irrigation can be sub-divided into 1.River canal irrigation 2. Reservoir or tank irrigation 3. Combined storage and lift irrigation 4. Combined storage and diversion irrigation Which of the above designations are relevant?