Description : In this method of irrigation (Tube wells)...... a. The ground should be hard should be available. c. The water table should be low rainfall. b. Cheap hydroelectric power d. The area must experience scanty
Last Answer : b. Cheap hydroelectric power
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 : (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 : 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 : Give two advantages of tube-wells as a method of irrigation, -SST 10th
Last Answer : (i) (a) Tube-wells can irrigate a larger area about 400 hectares, (b) They are definitely better in times of drought when surface wells dry up. (c) The process of irrigation is quicker and ... for tube wells are: (a) Sufficient ground water. (b) Cheap electric power must be made available.
Description : Which among the following is not a modern means of irrigation. A. Sprinkle. B. Perennial Canals. C. Tube wells. D. Persian wheel.
Last Answer : D. Persian wheel.
Description : Are pollination and fertilization necessary in apomixis? -Biology
Last Answer : answer:
Description : What is the difference between pollination and fertilization? -Biology
Description : Pollination and fertilization occurs before opening of flower is termed as
Last Answer : Ans. Cleistogamy
Description : Fertilization & Pollination:
Last Answer : Fertilization is a process in sexual reproduction that involves the union of male (sperm) and female (ovum) gametes (each with a single, haploid set of chromosomes) to produce a ... process by which pollen is transferred in flowering plants, thereby enabling fertilisation and sexual reproduction.
Description : Differentiate between the following. a) Hypoglycemia and hyperglycemia b) Epidemic and endemic c) Herbivores and carnivores d) Photosynthesis and respiration e) Pollination and fertilization
Last Answer : a) Hypoglycemia and Hyperglycemia: Hypoglycemia:the medical condition of having an unusually low level of sugar in the blood Hyperglycemia: the medical condition of having an unusually high level of sugar in ... reproduce sexually-that is, when a male and a female are needed to produce an offspring.
Description : Causes of misshapen and angularity in cucumber fruit under tunnel is due to a. Poor pollination b. Poor fertilization c. Proper pollination d. None
Last Answer : Poor pollination
Description : The development of fruit without fertilization or seed is called as: a. Pollination b. polyembryony c. pseudogamy d. Parthenocarpy
Last Answer : Parthenocarpy
Description : First and the heaviest flower drop in fruit plants occurs due to : a. Structural defects in the flowers b. Lack of pollination c. Non fertilization d. All of the abov
Last Answer : All of the abov
Description : Completion of pollination and fertilization in unopened flower bud is termed as a. Chasmogamy b. Apogamy c. Cleistogamy d. Dichogamy
Last Answer : Cleistogamy
Description : The transfer of pollen grains from anther to stigma is called; a) Fertilization b) pollination c) Microsporogenesis d) Polyembryony
Last Answer : Ans. b) Pollination
Description : The remains of salt over the soil after evaporation of water is known as a. water logging b. salivation c. dehydration d. hydration
Last Answer : d. hydration
Description : Which characteristic is applicable to this method of irrigation? (Surface Wells) a. About 10% of the irrigated area in India is under this method of irrigation. b. Is an age old method of supplying water for various purposes? c. Water from this source is not potable. d. All of the above.
Last Answer : b. Is an age old method of supplying water for various purposes?
Description : An earth formation which, although porous and capable of absorbing water does not provide an appreciable supply to wells, is known as (A) Aquifer (B) Aquiclude (C) Aquifuge (D) None of these
Last Answer : (B) Aquiclude
Description : Pick up the correct statement from the following: (A) A confined bed of impervious material laid over an aquifer, is known as an aquiclude (B) The top most water bearing strata having no aquifer, is ... water from the top most water bearing strata, are called water table wells (D) All the above
Last Answer : Answer: Option D
Description : Name the State which leads in irrigation by wells in India. -SST 10th
Last Answer : Uttar Pradesh.
Description : With reference to India, which one of the following statements is not correct? [IAS 2002] (a) About one-third of the area of the country records more than 750 millimetres of annual rainfall. (b ... the country (d) The mountain areas account for about thirty percent of the surface area of the country
Last Answer : Ans: (d)
Description : In India, the irrigation of agricultural land is carried out maximum by – (1) Canals (2) Wells (3) Tubewells (4) Tanks
Last Answer : (2) Wells Explanation: Canal is the second largest source of irrigation providing water to 29.24 percent of the net area under irrigation. The country has one of the world's largest canal systems ... more popular in those regions where ground water is in plenty and where there are very few canals.
Description : Such wells (Lined Wells) are....... a. Lined with Bricks and cement b. Used for domestic purposes c. Used for irrigation d. All of the above
Last Answer : d. All of the above
Description : Name the types of irrigation that does not prevail in India. A: Wells: B. Sprinkle. C. Tanks, D. Canals.
Last Answer : B. Sprinkle.
Description : Name the State which leads in irrigation by wells in India. A: Uttar Pradesh. B. Rajasthan. C. Maharashtra. D. Karnataka.
Last Answer : A: Uttar Pradesh.
Description : Most widely used means of irrigation in South India. A. Sprinkle. B. Wells. C. Drip. D. Canal.
Last Answer : D. Canal.
Description : Most expensive means of irrigation in India. A. Sprinkle. B. Wells. C. Tank. D. Drip.
Last Answer : A. Sprinkle.
Description : Most popular means of irrigation in India. A. Canal. B. Wells. C. Sprinkle. D. Drip.
Last Answer : B. Wells.
Description : Wells are popular means of irrigation because, A. They are cheap to construct and are private source. B. They can irrigate very large area. C. Wells occupy small area. D. All the above,
Last Answer : A. They are cheap to construct and are private source.
Description : Most popular means of irrigation is A. Wells. B. Tanks. C. Canals. D. Drip irrigation.
Last Answer : A. Wells.
Description : Which is the main source of irrigation of Agricultural land in India? a. Tanks b. Rivers c. Streams d. Canals e. Wells
Last Answer : e. Wells
Description : In India, the irrigation of agricultural land is carried out maximum by (1) Canals (2) Wells (3) Tubewells (4) Tanks
Last Answer : Wells
Description : involves incorporating water soluble fertilizer into the irrigation systems of greenhouse and nursery crops. a. Broadcasting b. Fertilization c. Fertigation d. Perforation
Last Answer : Fertigation
Description : $ Fertilization with the help of a pollen tube is called Siphonogamy. ! Entry of pollen tube into the ovule through integuments is called Mesogamy.
Last Answer : $ Fertilization with the help of a pollen tube is called Siphonogamy. ! Entry of pollen tube into the ovule ... wrong D. If both As and R are wrong.
Description : In gymnosperms, the pollen chamber represents (a) a cavity in the ovule in which pollen grains are stored after pollination (b) an opening in the megagametophyte through which the pollen tube approaches the ... pollen grains develop (d) a cell in the pollen grain in which the sperms are formed.
Last Answer : (c) the microsporangium in which pollen grains develop
Description : What category are ventilation irrigation fertilization and lubrication are called?
Last Answer : Soil
Description : What category are ventilation irrigation fertilization and lubrication?
Last Answer : Feel Free to Answer
Description : For least effect on the water table, the tube wells must be dug one in every (A) 0.5 sq km (B) 0.75 sq km (C) 1.0 sq km (D) 1.5 sq km
Last Answer : (D) 1.5 sq km
Description : Tamilnadu coastal belt has drinking water shortage due to: (A) high evaporation (B) sea water flooding due to tsunami (C) over exploitation of ground water by tube wells (D) seepage of sea water
Last Answer : Answer: D With increasing exploitation of ground water, seepage of seawater into the earth takes place, reducing sea water level. Coastal environment plays a vital role in nation's economy by virtue ... coastal length of India and stretches along the Bay of Bengal, Indian Ocean and Arabian Sea.
Description : The first rule of weed prevention a). Regular survey to identify new weeds b). Destruction of weeds before they set seed c). Clean seed d). Clean farm equipments and irrigation water
Last Answer : c). Clean seed
Description : Give two advantages and one disadvantage that tube wells have over surface wells. -Geography
Last Answer : Advantages of tube wells: (i) Tube well can irrigate a larger area. (ii) It does not dry up during summers. Disadvantage: It requires electricity for its working.
Description : Name two states in which tube wells are extensively used. -SST 10th
Last Answer : Tube wells are extensively used in Punjab and Haryana because the land is soft to bore and availability of electric power.
Description : Give two advantages and one disadvantages that tube wells have over surface wells. -SST 10th
Last Answer : Advantages: Tube wells do not result in evaporation of water like suface wells. It irrigates large area (400 hectares). Disadvantage: However tube wells are only possible in areas where the groundwater level is not too low power is needed to drain water.
Description : What are the reasons for increasing demands on the tube wells?
Last Answer : Safe
Description : Used for irrigating extremely large area up to 500 hectares. . (A) Unlined wells (b) Lined wells (c) Tube wells. (d) Tanks.
Last Answer : (c) Tube wells.
Description : Nehru called these “temples of modern India”.(a) Tube wells. above. Ans: B (b) Multipurpose Dams. (c) Ordinary wells. (d) None of the
Last Answer : (b) Multipurpose Dams
Description : Abyssinian tube well is a special type of (A) Slotted type wells (B) Cavity type wells (C) Strainer type well (D) None of these
Last Answer : (C) Strainer type well