Description : Rotation of crops means (a) Same crop is grown again and again (b) Two crops are grown simultaneously to increase productivity of the soil (c) Different crops are grown in succession to maintain the soil fertility (d) None of the above
Last Answer : Ans: (c)
Description : Azolla increases soil fertility for – (1) maize cultivation (2) wheat cultivation (3) barley cultivation (4) rice cultivation
Last Answer : (4) rice cultivation Explanation: The nitrogen-fixing capability of Azolla has led to it being widely used as a biofertiliser for increasing the productivity of rice fields. When rice paddies ... can be inoculated with Azolla., which then quickly multiplies to cover the water, suppressing weeds.
Description : Azolla increases soil fertility for (1) maize cultivation (2) wheat cultivation (3) barley cultivation (4) rice cultivation
Last Answer : rice cultivation
Description : Which crop requires maximum amount of nitrogen ? (A) Potato (B) Wheat (C) Barley (D) Sugarcane
Last Answer : (D) Sugarcane
Description : Which is a tropical food crop requiring a temperature of 270C and a rain fall more than 100 cm? (1) Wheat (2) Maize (3) Rice (4) Barley
Last Answer : (3) Rice Explanation: Rice is a major crop grown in most tropical and semi tropical regions. Rice being a tropical and subtropical plant, requires a fairly high temperature, ranging from 20° to 40°C. it requires an average temperature of about 24°C.
Description : The crop mainly grown in hills is : (1) sweet corn (2) sweet jowar (3) sweet potato (4) sweet pea
Last Answer : (2) sweet jowar Explanation: Sweet potato may be grown either on hills or beds. Rows need to be spaced 90-120 cm apart with plants spaced 30-40 cm apart in the row. It is known in ... throughout the country. It is the second most important root crop after potato in terms of production and area.
Description : Rotation of crops is essential (1) For increasing the quantity of minerals. (2) For decreasing the quantity of proteins. (3) For getting different kinds of crops. (4) For increasing fertility of the soil.
Last Answer : (4) For increasing fertility of the soil. Explanation: Crop rotation is the practice of growing a series of dissimilar/different types of crops in the same area in sequenced seasons. It gives ... the replenishment of nitrogen through the use of green manure in sequence with cereals and other crops.
Description : Rotation of crops is essential : (1) For increasing the quantity of minerals. (2) For decreasing the quantity of proteins. (3) For getting different kinds of crops. (4) For increasing fertility of the soil.
Last Answer : For increasing fertility of the soil.
Description : $ Crop rotation decreasess the soil fertility. ! High concentration of minerals is required as fertilizers.
Last Answer : $ Crop rotation decreasess the soil fertility. ! High concentration of minerals is required as fertilizers. A. ... D. If both As and R are wrong.
Description : Rotation of crops means – (1) growing of different crops in succession to maintain soil fertility (2) some crops are grown again and again (3) two or more crops are grown simultaneously to increase productivity (4) None of the above
Last Answer : (1) growing of different crops in succession to maintain soil fertility Explanation: Crop rotation is the practice of growing a series of dissimilar/different types of crops in the same area ... and can also improve soil structure and fertility by alternating deep-rooted and shallow-rooted plants.
Description : Which crop is recommended for Zaid season cultivation in Uttar Pradesh ? (A) Vegetable pea (B) Groundnut (C) Barley (D) Lentil
Last Answer : (B) Groundnut
Description : Which of the following statements about Kharif and Rabi is not correct? (1) Kharif season begins with the onset of monsoon season and harvested in late Spring (2) Kharif season begins with the onset ... rice, millets, jute, maize and cotton; important Rabi crops are wheat, gram, barley and linseed
Last Answer : (1) Kharif season begins with the onset of monsoon season and harvested in late Spring Explanation: Kharif crops refer to the planting, cultivation and harvesting of any domesticated plant sown in the ... for autumn harvest and may also be called the summer or monsoon crop in India and Pakistan.
Description : Which fungal disease spreads by seed and flowers? (a) Loose smut of wheat (b) Corn smut (c) Covered smut of barley (d) Soft rot of potato
Last Answer : (a) Loose smut of wheat
Description : A farming practice influencing weed floristic diversity a). Fertility manipulation b). Crop rotation c). Intercropping d). All e). None
Last Answer : d). All
Description : Triticale, the first man-made cereal crop, has been obtained by crossing wheat with (a) barley (b) rye (c) pearl millet (d) sugarcane.
Last Answer : (b) rye
Description : The Principal cereal crop of India is? a. Barley b. Sorghum c. Rice d. Wheat e. Oats
Last Answer : c. Rice
Description : The principal cereal crop of India is (a) wheat (b) rice (c) barley (d) sorghum
Last Answer : (b) rice
Description : Which is a tropical food crop requiring a temperature of 270 C and a rain fall more than 100 cm? (1) Wheat (2) Maize (3) Rice (4) Barley
Last Answer : Rice
Description : Which one of the following groups of crops is grown in India during the Rabi season? [CPO AC 2003] (a) Wheat, barley, gram. (b) Rice, maize, wheat (c) Barley, maize, rice (d) Millet, gram, rice
Last Answer : Ans: (a)
Description : The three major cereals in India under high yielding varieties in declining order are: (a) wheat, paddy and coarse cereals (b) barley, wheat and coarse cereals (c) paddy, wheat and coarse cereals (d) coarse cereals, paddy and wheat
Description : Three crops that contribute maximum to global food grain production are ______. (1) wheat, rice, barley (2) rice, maize, sorghum (3) wheat, maize, sorghum. (4) wheat, rice, maize
Last Answer : (4) wheat, rice, maize Explanation: Maize (corn), rice and whet are the three major foodgrains of the world. As per the 2012 figures, maize was the most important crop with production of 873 million metric tons. Rice and what came next with 738 and 671 million metric tons.
Description : In which of the following ways can soil be conserved? 1. Contour ploughing 2. Terracing 3. Shifting cultivation 4. Crop rotation (a) I, II and IV (b) II, III and IV (c) II and IV (d) I and III shop.ssbcrack.com
Description : Soil can best be conserved on the hills by which of the cultivating methods? (a) Strip cropping (b) Crop rotation (c) Contour ploughing (d) Terracing
Description : In a desert region, soil erosion can be checked by – (1) Tree plantation/afforestation (2) Crop rotation (3) Contour ploughing (4) Using farm manure
Last Answer : (1) Tree plantation/afforestation Explanation: Soil erosion in a desert region can be checked by tree plantation and afforestation.
Description : In a desert region, soil erosion can be checked by – (1) Contour ploughing (2) Using farm manure (3) Tree plantation/Afforestaion (4) Crop rotation
Last Answer : (3) Tree plantation/Afforestaion Explanation: Afforestation holds the key for preventing soil erosion in desert regions and further desertification. Trees or even small plants bind soil to ... introduction of improved dry farming practices and animal husbandry and plantations for fuel and fodder.
Description : Salination of soil is caused by – (1) pesticides (2) soil erosion (3) excess irrigation (4) crop rotation
Last Answer : (3) excess irrigation Explanation: Soil salinity is the salt content in the soil: the process of increasing the salt content is known as salinization. Excess irrigation leads to increase in ... is also greatly increased by poor drainage and use of saline water for irrigating agricultural crops.
Description : Crop rotation is being adopted – (1) to increase the productivity of the land (2) to increase the crop yield (3) to increase the soil water (4) to increase the crop resistance to pests.
Last Answer : (1) to increase the productivity of the land Explanation: Crop rotation is the practice of growing a series of dissimilar types of crops in the same area in sequential seasons for various ... the replenishment of nitrogen through the use of green manure in sequence with cereals and other crops.
Last Answer : sweet jowar
Description : Among the following crop rotations, which is good for increasing soil nutrient status? a. Rice- wheat b. Groundnut- wheat c. Pearl millet- wheat d. Sorgham- wheat e. None of these
Last Answer : b. Groundnut- wheat
Description : Among the following crop rotations, which is good for increasing soil Nutrient status? 1) Rice-Wheat 2) Groundnut-Wheat 3) Pearlmillet-Wheat 4) Sorghum-Wheat
Last Answer : 2) Groundnut-Wheat
Description : Root exudates of which crop has allelo pathic effect on Chenopodium album? a). Wheat b). Oat c). Pea d). All
Description : For the cultivation of which crop is black soil moat suitable? (a) Cotton (b) Rice (c) Jute (d) Wheat
Description : Which of the following is/are correct about shifting cultivation ? 1. It involves no ploughing 2. It is slash and burn agriculture 3. It involves crop rotation 4. It is combined with transhumance (a) I, II, III and IV (b) II, III and IV (c) II and III (d) I and II
Last Answer : Ans: (d)
Description : Match the following: List-I List-II (Crops) (Geographical conditions) A. Barley 1. Hot and dry climate with poor soil B. Rice 2. Cool climate with poorer soil C. Millets 3. Warm and moist climate with high altitude D. Tea 4. Hot and moist ... C D (a) 2 4 1 3 (b) 3 4 1 2 (c) 2 1 4 3 (d) 3 2 4 1
Description : Match the following [IAS 1997] Crops Geographical conditions A. Barley 1. Hot and dry climate with poor soil B. Rice 2. Cool climate with poorer soil C. Millets 3. Warm and Moist climate with high altitude D. Tea 4. Hot and Moist climate with ... D (a) 2 4 1 3 (b) 3 4 1 2 (c) 2 1 4 3 (d) 3 2 4 1
Description : Maize-potato-sugarcane ratoon-green gram is the example of crop rotation for a.1 year b .3 year c.2 year d.4 year
Last Answer : b .3 year
Description : Crop logging’ is the method of? a. Soil fertility evaluation b. Plan analyst for assessing requirements for nutrients for crop production c. Assessing crop damage d. Testing suitability of fertilizers e. None of these
Last Answer : e. None of these
Description : Fertility of soil can be improved by : [IAS 1989] (a) adding living earthworms (b) adding dead earthworms (c) removing dead earthworms (d) removing living earthworms and adding dead earthworms
Description : Which of the following methods does not help in conserving soil fertility and moisture? (1) Contour ploughing (2) Dry farming (3) Strip cropping (4) Shifting agriculture
Last Answer : (4) Shifting agriculture Explanation: Shifting cultivation is an agricultural system in which plots of land are cultivated temporarily, then abandoned. It is also known as slash and burn ... reclaimed by natural vegetation, or sometimes converted to a different long-term cyclical farming practice.
Description : Which one of the following practices is adopted for restoring the fertility of soil? (1) Weeding (2) Levelling (3) (2) sweet jowar (4) (4) Harrowing
Last Answer : (2) sweet jowar Explanation: Fallowing, in agriculture, is the mode of preparing land, by ploughing it a considerable time before it is ploughed for seed. As a result of fallowing, parts ... and thus reciprocally ameliorated; so that they may afford more uniform nourishment to the roots of plants
Description : In which of the following crops Uttar Pradesh is not the largest producer in India? [UP PCS 2011] (a) Potato (b) Rice (c) Sugarcane (d) Wheat
Last Answer : Ans: (b)
Description : Crop rotation refers to : (a) method of farming without irrigation in an area of limited rainfall (b) farming done on the same land by different people turn-wise (c) growing same crop in alternate years (d) growing different crops in succession
Description : Crop rotation helps to – (1) lessen use of pesticides (2) eliminate parasites which have selective hosts (3) yield more crops (4) produce a greater choice of plant products
Last Answer : (2) eliminate parasites which have selective hosts Explanation: The growing of different kinds of crops on a piece of land in a preplanned succession is known as crop rotation. In the rotation of ... This is because weeds and pests are very choosy about the host crop plant, which they attack.
Description : High yielding plants can be produced by (1) Crop Rotation (2) Hybridisation (3) Inter-cropping (4) Mixed - cropping
Last Answer : (2) Hybridisation Explanation: Operation Flood in India, a project of the National Dairy Development Board (NDDB) was the world's biggest dairy development programme which made India, a milk-deficient nation, ... world, surpassing the USA in 1998, with about 17 percent of global output in 2010-11.
Description : The type of crop which is able to fix nitrogen from air is known as (a) Legume (b) Rice (c) Tuber (d) Potato
Description : Which of the following is NOT a plantation crop? (a) Coconut (b) Potato (c) Oil Palm (d) Cashew (e) Rubber
Description : Which of the following is NOT a food crop? (a) Maize (b) Bajra (c) Paddy (d) Wheat (e) Cotton shop.ssbcrack.com
Last Answer : Ans: (e)
Description : Which of the following is a Horticulture Crop? (a) Paddy (b) Wheat (c) Mango (d) Bajara (e) None of these
Description : Which of the following is not primarily a rabi crop in India? (a) Wheat (b) Gram (c) Jute (d) Linseed
Description : Which of the following is not primarily a kharif crop in India? (a) Wheat (b) Rice (c) Maize (d) Cotton