Mention two disadvantages of tank irrigation. -Geography

1 Answer

Answer :

Disadvantages of tank irrigation are:  1. Many tanks dry up during the dry season.  2. Silting of tank is a problem and desilting of these tanks is often required.

Related questions

Description : State two reasons why tank irrigation is popular in South India. -Geography

Last Answer : Tank irrigation is popular in South India because : (i) The hard rocks underlying large areas in the deccan do not allow percolation of water easily. (ii) The undulating surface forms natural depressions.

Description : State two reasons why tank irrigation is popular in South India. -Geography

Last Answer : Tank irrigation is popular in South India because : (i) The hard rocks underlying large areas in the deccan do not allow percolation of water easily. (ii) The undulating surface forms natural depressions.

Description : (i) What is meant by tank irrigation ? (ii) State one advantage each of the following means of irrigation : -Geography

Last Answer : (i) A tank consists of water storage which has been developed by constructing a small bund of earth or stones built across a stream. The water impounded by the bund is used for irrigation. (ii) 1 ... of irrigation. 2. Tanks: The cost of construction of tanks is very low as tanks are natural.

Description : Despite tank irrigation being a simple form of irrigation, it is not used by all farmers. Explain why. -Geography

Last Answer : Tank irrigation is not used by all farmers because: Only limited area can be irrigated. Most tanks dry up in the dry season when water is most needed. Tanks cover large ... other sources of irrigation have been adopted and the dry beds of the tanks have been reclaimed for agriculture.

Description : (i) Mention two ways in which tube-vsells are better than ordinary wells as a form of irrigation. -Geography

Last Answer : (i) Tube wells are better form of irrigation than the ordinary wells because : 1. It is capable of irrigating more area, about 2 hectares per day while ordinary wells irrigate 0.2 hectares ... (ii) The two alternative methods of irrigation are: 1. Sprinkler irrigation. 2. Trickle-drip irrigation.

Description : Mention two different ways by which modern methods of irrigation are an improvement over the primitive methods. -Geography

Last Answer : Modern methods of irrigation are an improvement over the primitive methods. The following two points will highlight the same : 1. They are perennial and provide regular irrigation. 2. They are easier to operate.

Description : Mention two factors that favour the development of tube well irrigation in Punjab. -Geography

Last Answer : 1. They are reliable source of irrigation. 2. They can be easily dug.

Description : Mention two factors which are essential for the development of tube well irrigation. -Geography

Last Answer : Two factors for development of tubewell irrigation: (i) Cheap supply of Electricity. (ii) High underground water label.

Description : Name two states in which well irrigation is widely used. Mention one advantage of well irrigation in India. -Geography

Last Answer : Two states in which well irrigation is widely used are Uttar Pradesh and Punjab. Advantage—They are the simplest and the cheapest source of irrigation

Description : Mention any three advantages of well irrigation in India. -Geography

Last Answer : Three advantages of well irrigation are : (i) Well is the simplest and the cheapest source of irrigation as the farmer has to pay regularly for canal irrigation which is not the case with ... Nitrates, Chlorides, Sulphates are mixed in well water naturally which add to the fertility of the soil.

Description : Mention three ways in which modern means of irrigation are more advantageous than the ancient methods of irrigation. -Geography

Last Answer : The modern methods of irrigation are more advantageous than the ancient methods of irrigation because: 1. It is easy to operate. 2. They provide irrigation to a much larger area. e.g. Tube ... larger area than an ordinary well. 3. Regular irrigation throughout the year e.g. perennial canals.

Description : In which two ways are tube-wells better than ordinary wells as a form of irrigation ? -Geography

Last Answer : Tube Well 1. It generally irrigates 2 hectares of land per day. 2. Tube-wells can bring up water or irrigate land quickly with the help of machines. Ordinary Well 1. It irrigates 0 – 2 hec tares of land per day. 2. Wells take longer time to irrigate the same area.

Description : State two reasons to explain why irrigation is necessary in India. -Geography

Last Answer : Irrigation is necessary in India because of : 1. Uneven distribution of rainfall. Rainfall is confined to short duration of 3-4 months in the rainy season. The rest of the year is more or ... Crops like rice, jute, sugarcane require large amounts of water, which can be met only through irrigation.

Description : State any two advantages of using sprinkler irrigation. -Geography

Last Answer : In Sprinkler Irrigation as water is supplied by means of pipes no water is lost by seepage and also there is no scope for loss of water by evaporation due to direct watering on the fields.

Description : State two geographical conditions essential for the construction of canal irrigation. -Geography

Last Answer : Canal Irrigation can be done in areas of low level relief, deep fertile soils, perennial source of water and extensive command area.

Description : Discuss two demerits of tube well irrigation. -Geography

Last Answer : Two demerits of tube well irrigation are : 1. Wells dry up during the dry summers and fail to provide water. 2. As tube wells can draw out larger quantities of water, largescale depletion of ground Water takes place, the groundwater level or the water table goes down.

Description : Give two demerits of canal irrigation. -Geography

Last Answer : Two demerits of canal irrigation are : 1. Farmers tend to flood their fields with water with the intention of getting a bumper crop. They also wish to get the maximum benefit from the ... to use the facility of canal irrigation. 2. Marshy areas near canals become breeding grounds for mosquitoes.

Description : Well irrigation is still practiced in many parts of the country. Give two reasons to explain why. -Geography

Last Answer : 1. A well is by far the simplest and cheapest source of irrigation and the poor Indian farmers can afford it. 2. A well is an independent source of irrigation and can be used as and when the ... and cannot be used at will. The farmer has to pay no tax for well irrigation unlike canal irrigation.

Description : “The modem means of irrigation are gaining popularity.” Give two reasons to justify this statement. -Geography

Last Answer : 1. Fertilizer and nutrient loss is minimised. 2. Loss of water is minimum.

Description : “Without irrigation, development of agriculture is difficult in India.” Clarify the statement by giving two reasons. -Geography

Last Answer : Without irrigation, development of agriculture is difficult in India because : (i) India is an agricultural country and proper irrigation becomes a must. Rainfall in India is uncertain in both ... when there is proper irrigation facilities as monsoon in India are limited for four months only.

Description : Name two modern methods of irrigation. State one important reason for their growing popularity. -Geography

Last Answer : Two modern methods of irrigation are : 1. Perennial canals. 2. Drip irrigation system. They are becoming popular because there is minimum loss of water and can irrigate fields throughout the year.

Description : (i) Why is well irrigation still a popular means of irrigation ? Give two reasons to support your answer. -Geography

Last Answer : (i) Well irrigation is still a popular means of irrigation because : 1. It can supply water whenever and where ever required. 2. It is also a cheap source of irrigation. (ii) Significance ... ground water table by adding to ground water reserves. (iii) It solve the problem of water scarcity.

Description : Name two states in which tube wells are extensively used. Give a reason to explain its importance as a source of irrigation. -Geography

Last Answer : Tube Wells are extensively used in Uttar Pradesh and Haryana. Because the land is soft to bore and it is a fertile region.

Description : Explain any three reasons why irrigation is necessary for profitable farming in India. -Geography

Last Answer : Three reasons of necessity of Irrigation : (i) Due to irrigation high yielding crops are grown even when there is low and uncertain rainfall. (ii) Irrigation enhances agricultural ... large quantities of water for their growth. Irrigation fulfills the water requirement of such crops.

Description : Give three reasons to explain the importance of irrigation in Indian agriculture. -Geography

Last Answer : Lrrigation is important in Indian agriculture because : 1. Uncertainty of Rainfall: The rainfall in India is highly irregular in place and time. Sometimes monsoons arrives early and sometimes ... 4. Commercial crops like sugar cane needs frequent watering which is possible through irrigation only.

Description : Explain how the type of crops grown determines the need for irrigation. -Geography

Last Answer : Rainfall in India is confined to a short duration of three to four months in the rainy season. India has a long growing period which extends throughout the year. Provision of irrigation can make ... this crop is largely grown in western and northwestern parts of India with the help of irrigation.

Description : Give a reason for each of the following : 1. Most of the South Indian states are not suitable for development of canal irrigation. -Geography

Last Answer : 1. The South Indian region being rocky is difficult to dig. Most of the South Indian rivers are non perennial. 2. Water is basic input in agriculture. So conservation of water is must ... in India is very uncertain, which increases the element of risk and makes crop production rather difficult.

Description : There is plenty of rain in India during the rainy season, yet we need irrigation. -Geography

Last Answer : Variability in Rainfall: Rainfall in India is very uncertain, which increases the element of risk and makes crop production rather difficult. Unequal Distribution of Rainfall: In most parts of the ... of Punjab and Haryana are in the arid zone, where there is a constant deficiency of water.

Description : Give a reason for the significance of irrigation in : 1. Punjab. 2. Rajasthan. -Geography

Last Answer : 1. Punjab is an agriculture state so lot of water is required for irrigation. 2. Rajasthan is a dry state so irrigation is required to cultivate the crop and drinking.

Description : Give one geographical reason for each of the following : 1. Sprinkler irrigation is practiced in arid and semi-arid regions. -Geography

Last Answer : 1. To minimize the loss of water. 2. So that there is demand for irrigation and the cost involved in the construction and operation of the tube well can be recovered by the increased farm ... so digging is easy Deep fertile soil which helps in recovering the cost of construction of canals.

Description : Give one geographical reason for each of the following statements : (i) Irrigation is necessary despite the monsoon. -Geography

Last Answer : (i) Because monsoon are seasonal in nature. (ii) Because it prevents the loss of water through evaporation and directly reaches the ground. (iii) Because the ground around it suffer from the problem of ‘reh’ or salts in the upper layers of the soil.

Description : Why is the demand of water for irrigation increasing day by day? Discuss. -Geography

Last Answer : The demand of water is increasing day by day because: (i) Irrigation is needed because of spatio-temporal variability in rainfall in the country. The large tracts of the ... for agriculture, water need of certain crops makes irrigation necessary. Irrigation makes multiple cropping possible.

Description : Which ruler in ancient India had extensively built dames, lakes and irrigation system? -Geography

Last Answer : Chandragupta Maurya Water harvesting system was started in the first century B.C to channel the flood water of river Ganga. It was during the reign of Chandragupta Maurya that these water bodies such as dams, lakes and rivers were extensively built.

Description : Justify the high demand of water for irrigation in India. -Geography

Last Answer : (a) Rainfall in India is concentrated only for few months and therefore, irrigation is required in the other months. Rainfall is uneven and deccan plateau remains dry due to deficient rainfall ... c) Use of HYV seeds, fertilizers and multiple cropping in the fields have made irrigation essential.

Description : Mention the grassland found in Australia. There are two types of grasslands in Australia. -Geography

Last Answer : Tropical grasslands – Savanna Temperate grasslands- Downs

Description : Mention any two uses of a globe. -Geography

Last Answer : 1. The globe is useful to know the shape of the Earth 2. It helps us to understand the position, shape and size of the continents, oceans and seas.

Description : Mention any two uses of maps. -Geography

Last Answer : 1. Maps help us to locate places like towns, cities, districts, states, countries and continents. 2. They show the physical features such as mountains, plateaus, plains, coastal areas, islands, etc.

Description : Mention any two differences between the Bhabar and the Tarai regions. -Geography

Last Answer : Bhabar Region 1. It lies along the foot of the Shiwaliks from Indus to Tista, about 8 to 16 kms wide. 2. It comprises of pebble-studded rocks with porous beds so it is not suited for ... about 20 to 30 kms wide. 2. It is composed of comparatively finer alluvium and is reclaimed for agriculture.

Description : What is Agro-forestry ? Mention any two benefits of Agro-forestry. -Geography

Last Answer : Agro forestry involves the raising of trees and agricultural crops either on the same land or in close association in such a way that all land including the waste patches is put to good use. ... timber from their land. 2. The land gives maximum production and provides employment to rural masses.

Description : Mention two reasons for the development of the Bengaluru-Tamil Nadu Industrial Region. -Geography

Last Answer : Bengaluru - Tamil Nadu Industrial Region has experienced the fastest industrial growth in the post-independence era as : 1. This region is dominated by the cotton textile industry but, over ... climate and proximity to vast local markets have favored the concentration of industries in this region.

Description : (i) What is a Planning Region? (ii) Mention any two characteristics of a planning region. -Geography

Last Answer : (i) A planning region is a self-created living organism, having a lifetime which not only supports the life in the region but also radiates unifying forces that enable the region to be a unified ... should be flexible. 3. There should be natural cohesion. 4. It should have economic harmony

Description : Mention any two factors which have influenced the development of the Electronic City of Bengaluru. -Geography

Last Answer : Factors that influenced the development of the Electronic city of Bengaluru are : 1. The incentives by the state and central government. 2. The strategic location of the city in the ... number of Indian, foreign and multinational companies have invested large sums of money to nourish industries.

Description : What is urban forestry ? Mention any two of its objectives. -Geography

Last Answer : Urban forestry pertains to raising and management of trees on public and privately owned lands in and around urban centres. It includes green-belts, road side avenues, parks etc. Its main objectives are : 1. Reduction of environmental pollution. 2. Recreation and improving aesthetic values.

Description : Mention two major challenges faced by the tourism industry in India today. -Geography

Last Answer : Challenges faced by the tourism industry in India today are : 1. Unplanned, unrestricted growth of tourism in India deprives the tourists of the original charm and beauty and ... , airports, hotels and other services. Inadequacies of such infrastructural facilities adversely affect tourism.

Description : Mention any two drawbacks of land use pattern in India. Suggest any one measure to improve it. -Geography

Last Answer : The two drawbacks of land use pattern in India are : 1. Division of agricultural land into small and fragmented holdings. It is a serious problem in densely populated and intensively cultivated ... maintenance of Eco balance, this land should be put under afforestation and not under crop farming.

Description : Mention any two differences between the Western Ghats and the Eastern Ghats. -Geography

Last Answer : Western Ghats 1. It runs parallel to the western coast in a north-south direction from Tapi river to Kanya Kumari. 2. It's average elevation is 900 to 1100 metres above sea level. Eastern ... 's average elevation is less than that of the western ghats and is about 600 meters above sea level.

Description : Mention any two factors which influence natural vegetation of a place. -Geography

Last Answer : Two factors which influence natural vegetation of a place are climate and soil. (a) Climate: It influences the vegetation to a great extent and we can have several varieties such as Tropical ... of coastal areas and the acacia in drier parts of Maharashtra are examples of modification by soil.

Description : Mention the locational factors which favour the growth of cement industry in India. Name any two -Geography

Last Answer : Manufacturing of cement requires heavy and weight loosing materials and is primarily a raw material-oriented industry. Limestone is the main raw material and on an average 1.5 tonnes of limestone is required to ... input, as it is used not only as fuel in kiln but also to burn the limestone.

Description : Mention any two reasons why sufficient land is not available for cultivation in India. -Geography

Last Answer : Two reasons for land not available for cultivation in India are : 1. Barren and unculturable waste cover all barren and uncultivated lands in mountains, hills slopes, deserts and rocky areas. These ... 2. The other reason is land put to nonagricultural uses like irrigation, industry, mining, etc.

Description : (i) Why is cement industry known as a basic industry ? (ii) Mention two major centres of cement industry in India. -Geography

Last Answer : (i) Cement is indispensable for building and construction work. So, cement industry is considered to be an important core infrastructure core industry. The per capita consumption of cement is taken as one of the ... in India are : 1. Satna / Kymore / Katni/ Durg in - Chhattisgarh (Any two).