MCQs on Life of Farmers(Farming Techniques)Sainik School Exam Class 6 GK Study Material, Questions Answers, Notes

Explore Multiple-Choice Questions (MCQs) on “GK Life of Farmers (Farming Techniques)” for the All India Sainik Schools Entrance Examination (AISSEE) Class 6. Each question comes with a detailed answer and explanation, covering farming methods, soil types, irrigation, crop rotation, organic farming, and more. Enhance your preparation with expert-curated study material and coaching from Anand Classes in Jalandhar.

MCQs on Life of Farmers (Farming Techniques) for Sainik School Exam Class 6 GK Study Material, Questions Answers, Notes

1. What is the primary purpose of crop rotation in farming?

A. To increase soil fertility
B. To reduce soil erosion
C. To control pests and diseases
D. All of the above

Answer: D. All of the above

Explanation:

• To increase soil fertility: Rotating crops helps replenish soil nutrients, as different crops utilize and contribute different nutrients.
• To reduce soil erosion: Diverse root structures from various crops help hold the soil together, reducing erosion.
• To control pests and diseases: Changing crops disrupts the life cycles of pests and diseases associated with specific plants, reducing their prevalence.

2. Which farming technique involves growing two or more crops in proximity for mutual benefit?

A. Monoculture
B. Intercropping
C. Shifting cultivation
D. Terrace farming

Answer: B. Intercropping

Explanation:

• Intercropping: This technique involves planting different crops close to each other to promote beneficial interactions, such as pest control and improved nutrient utilization.

3. What is the main advantage of using organic fertilizers over chemical fertilizers?

A. They are cheaper
B. They act faster
C. They improve soil structure
D. They are easier to transport

Answer: C. They improve soil structure

Explanation:

• Organic fertilizers: These fertilizers enhance soil structure by increasing its organic matter content, leading to better water retention and aeration.

4. Which irrigation method is considered most efficient in terms of water usage?

A. Flood irrigation
B. Sprinkler irrigation
C. Drip irrigation
D. Furrow irrigation

Answer: C. Drip irrigation

Explanation:

• Drip irrigation: This system delivers water directly to the plant roots in a controlled manner, minimizing water wastage and evaporation.

5. What is ‘mulching’ in agricultural practices?

A. Planting multiple crops in the same field
B. Covering the soil with organic or inorganic materials
C. Plowing the land multiple times before planting
D. Using chemical fertilizers to enhance growth

Answer: B. Covering the soil with organic or inorganic materials

Explanation:

• Mulching: It involves covering the soil surface with materials like straw, leaves, or plastic to retain moisture, suppress weeds, and regulate soil temperature.

6. Which of the following is a traditional method of rainwater conservation used in agriculture?

A. Drip irrigation
B. Terrace farming
C. Sprinkler systems
D. Hydroponics

Answer: B. Terrace farming

Explanation:

• Terrace farming: This method involves creating stepped levels on hilly terrains to reduce water runoff and soil erosion, effectively conserving rainwater for crops.

7. What is the primary goal of sustainable agriculture?

A. Maximizing crop yields at any cost
B. Ensuring long-term soil health and productivity
C. Using only chemical fertilizers and pesticides
D. Replacing human labor with machines

Answer: B. Ensuring long-term soil health and productivity

Explanation:

• Sustainable agriculture: It focuses on farming practices that maintain soil health, conserve resources, and ensure the ability to produce food for future generations.

8. Which practice involves growing crops without the use of synthetic chemicals?

A. Conventional farming
B. Organic farming
C. Intensive farming
D. Industrial farming

Answer: B. Organic farming

Explanation:

• Organic farming: This method relies on natural processes and inputs, avoiding synthetic chemicals to promote ecological balance and biodiversity.

9. What is ‘hydroponics’ in the context of agriculture?

A. Cultivating plants in soil with high water content
B. Growing plants without soil, using nutrient-rich water solutions
C. Using hydroelectric power for farming operations
D. A method of rainwater harvesting

Answer: B. Growing plants without soil, using nutrient-rich water solutions

Explanation:

• Hydroponics: This soilless cultivation technique allows plants to grow in water-based nutrient solutions, often leading to faster growth and higher yields.

10. Which term refers to the practice of planting trees and shrubs alongside crops to enhance biodiversity and reduce erosion?

A. Agroforestry
B. Monoculture
C. Aquaculture
D. Polyculture

Answer: A. Agroforestry

Explanation:

• Agroforestry: This farming technique integrates trees and shrubs with crops or livestock, improving biodiversity, soil fertility, and water retention.

11. What is the term for farming without soil using nutrient-rich water?

A. Aquaculture
B. Hydroponics
C. Horticulture
D. Apiculture

Answer: B. Hydroponics

Explanation:

• Hydroponics: This is a method of growing plants without soil, using nutrient-rich water solutions, ensuring efficient use of resources and space.

12. Which farming technique involves cutting and burning vegetation before planting crops?

A. Terrace farming
B. Slash-and-burn farming
C. Drip irrigation
D. Hydroponics

Answer: B. Slash-and-burn farming

Explanation:

• Slash-and-burn farming: This traditional method involves clearing land by cutting and burning vegetation, often used in shifting agriculture, but it can lead to deforestation.

13. What is the main purpose of vermicomposting in agriculture?

A. To increase soil temperature
B. To decompose organic waste using earthworms
C. To use chemical fertilizers efficiently
D. To increase pest resistance in crops

Answer: B. To decompose organic waste using earthworms

Explanation:

• Vermicomposting: This is a natural process where earthworms help break down organic waste into nutrient-rich compost, improving soil health and fertility.

14. Which of the following is NOT a type of irrigation system?

A. Sprinkler irrigation
B. Drip irrigation
C. Flood irrigation
D. Crop rotation

Answer: D. Crop rotation

Explanation:

• Crop rotation: This is a farming practice where different crops are planted in the same field in sequential seasons to improve soil fertility and reduce pests, but it is not an irrigation method.

15. What is the practice of growing the same crop in the same field year after year called?

A. Monoculture
B. Intercropping
C. Crop rotation
D. Mixed farming

Answer: A. Monoculture

Explanation:

• Monoculture: It refers to cultivating the same type of crop repeatedly in a field, which may lead to soil nutrient depletion and increased pest problems.

16. Which tool is used by farmers to till the soil before planting crops?

A. Harrow
B. Hoe
C. Plough
D. All of the above

Answer: D. All of the above

Explanation:

• Plough, hoe, and harrow are tools used in different stages of soil preparation to loosen and aerate the soil before planting crops.

17. What is the main advantage of using genetically modified (GM) crops?

A. Increased resistance to pests and diseases
B. Reduced need for irrigation
C. Faster soil erosion
D. Reduced soil fertility

Answer: A. Increased resistance to pests and diseases

Explanation:

• Genetically Modified (GM) crops are engineered to resist pests, diseases, and harsh environmental conditions, leading to higher productivity.

18. What is the scientific study of soil called?

A. Geology
B. Agronomy
C. Pedology
D. Ecology

Answer: C. Pedology

Explanation:

• Pedology: This is the branch of science that studies soil properties, formation, and classification, which is essential for effective farming.

19. Which is the best farming method for hilly regions to prevent soil erosion?

A. Drip irrigation
B. Terrace farming
C. Crop rotation
D. Monoculture

Answer: B. Terrace farming

Explanation:

• Terrace farming: This technique involves creating step-like fields on slopes, which reduces water runoff and prevents soil erosion.

20. What type of farming is mainly done for self-sufficiency rather than commercial sale?

A. Organic farming
B. Subsistence farming
C. Intensive farming
D. Commercial farming

Answer: B. Subsistence farming

Explanation:

• Subsistence farming: Farmers grow crops mainly for their own consumption, using traditional methods and small land areas.

21. What is apiculture?

A. Cultivation of fruits
B. Rearing of bees for honey production
C. Growing plants in water
D. Rearing of fish

Answer: B. Rearing of bees for honey production

Explanation:

• Apiculture: It is the practice of beekeeping to produce honey and other bee products like beeswax and royal jelly.

22. Which method is used to protect crops from pests without using chemicals?

A. Organic pesticides
B. Crop rotation
C. Biological pest control
D. Both B and C

Answer: D. Both B and C

Explanation:

• Crop rotation: Changing crops every season reduces the buildup of pests.
• Biological pest control: Introducing natural predators like ladybugs to control pests without chemicals.

23. What is the process of turning barren land into fertile land called?

A. Desertification
B. Afforestation
C. Land reclamation
D. Deforestation

Answer: C. Land reclamation

Explanation:

• Land reclamation: This process involves improving degraded land through soil conservation, irrigation, and planting trees.

24. What is the primary function of earthworms in farming?

A. Eating crops
B. Destroying soil fertility
C. Improving soil aeration and fertility
D. Causing soil erosion

Answer: C. Improving soil aeration and fertility

Explanation:

• Earthworms: They break down organic matter, improving soil structure, aeration, and increasing nutrient availability.

25. Which crop is best suited for dry and arid regions?

A. Rice
B. Wheat
C. Millets
D. Sugarcane

Answer: C. Millets

Explanation:

• Millets: They require less water and can survive in harsh climates, making them ideal for dry regions.

26. What is the main purpose of green manure?

A. To kill weeds
B. To enrich the soil with organic matter
C. To increase water retention
D. To reduce soil erosion

Answer: B. To enrich the soil with organic matter

Explanation:

• Green manure: These are crops grown and plowed back into the soil to improve its fertility and organic content.

27. Which of the following is NOT a major cereal crop in India?

A. Rice
B. Wheat
C. Maize
D. Cotton

Answer: D. Cotton

Explanation:

• Cotton: It is a fiber crop, whereas rice, wheat, and maize are cereal crops used for food production.

28. What type of farming focuses on growing food naturally without synthetic fertilizers or pesticides?

A. Conventional farming
B. Organic farming
C. Industrial farming
D. Commercial farming

Answer: B. Organic farming

Explanation:

• Organic farming: It relies on natural fertilizers, compost, and biological pest control instead of synthetic chemicals.

29. Which machine is used for harvesting crops?

A. Plough
B. Harrow
C. Combine harvester
D. Hoe

Answer: C. Combine harvester

Explanation:

• Combine harvester: It is a machine that cuts, threshes, and cleans grains, increasing efficiency in farming.

30. Which nutrient is primarily responsible for plant growth and is found in urea?

A. Phosphorus
B. Potassium
C. Nitrogen
D. Calcium

Answer: C. Nitrogen

Explanation:

• Nitrogen: It is essential for leaf and stem growth, and urea is a rich source of nitrogen for plants.

31. Which term refers to the artificial application of water to crops?

A. Irrigation
B. Fertilization
C. Harvesting
D. Weeding

Answer: A. Irrigation

Explanation:

• Irrigation: It is the process of supplying water to crops through channels, pipes, or sprinklers, especially in areas with insufficient rainfall.

32. Which gas is essential for plant photosynthesis?

A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Hydrogen

Answer: B. Carbon dioxide

Explanation:

• Carbon dioxide: Plants absorb CO₂ from the air and use it in photosynthesis to produce food and oxygen.

33. What is the name of the method where farmers grow crops and raise livestock together?

A. Mixed farming
B. Monoculture
C. Subsistence farming
D. Plantation farming

Answer: A. Mixed farming

Explanation:

• Mixed farming: This agricultural system includes both crop production and animal husbandry, ensuring better resource utilization.

34. Which farming technique is used in mountainous regions to prevent soil erosion?

A. Shifting cultivation
B. Hydroponics
C. Terrace farming
D. Drip irrigation

Answer: C. Terrace farming

Explanation:

• Terrace farming: Involves creating step-like structures on hills to control water flow and prevent soil erosion.

35. Which type of irrigation uses underground pipes to deliver water directly to plant roots?

A. Sprinkler irrigation
B. Drip irrigation
C. Flood irrigation
D. Furrow irrigation

Answer: B. Drip irrigation

Explanation:

• Drip irrigation: This method conserves water by supplying small amounts directly to the roots, reducing wastage.

36. What is the primary function of nitrogen fertilizers?

A. Improve soil texture
B. Increase leaf and stem growth
C. Help in seed formation
D. Control weeds

Answer: B. Increase leaf and stem growth

Explanation:

• Nitrogen fertilizers: Essential for producing green leaves and stems, promoting vigorous plant growth.

37. Which farming method is used to clear forests for agriculture and later abandon the land?

A. Terrace farming
B. Slash-and-burn farming
C. Hydroponics
D. Commercial farming

Answer: B. Slash-and-burn farming

Explanation:

• Slash-and-burn farming: Farmers clear forests, burn vegetation, and use the land for a few years before moving to another area.

38. What is the process of removing weeds from a field called?

A. Irrigation
B. Weeding
C. Ploughing
D. Fertilization

Answer: B. Weeding

Explanation:

• Weeding: The removal of unwanted plants (weeds) that compete with crops for nutrients, water, and sunlight.

39. Which of the following is an example of a fiber crop?

A. Wheat
B. Cotton
C. Rice
D. Maize

Answer: B. Cotton

Explanation:

• Cotton: A plant grown for its fibers, which are used in textile production.

40. What is the primary goal of organic farming?

A. Maximizing yield using chemicals
B. Using only genetically modified seeds
C. Growing food naturally without synthetic chemicals
D. Using artificial irrigation

Answer: C. Growing food naturally without synthetic chemicals

Explanation:

• Organic farming: Promotes natural methods such as composting, crop rotation, and biological pest control instead of synthetic fertilizers and pesticides.

41. What is the process of loosening and turning the soil before planting called?

A. Harvesting
B. Ploughing
C. Weeding
D. Irrigation

Answer: B. Ploughing

Explanation:

• Ploughing: This process improves soil aeration, allows roots to grow better, and helps in mixing organic matter and fertilizers.

42. Which type of soil is best suited for growing cotton?

A. Sandy soil
B. Clayey soil
C. Black soil
D. Loamy soil

Answer: C. Black soil

Explanation:

• Black soil: It retains moisture and is rich in nutrients, making it ideal for cotton cultivation.

43. Which nutrient is essential for root development in plants?

A. Nitrogen
B. Phosphorus
C. Potassium
D. Calcium

Answer: B. Phosphorus

Explanation:

• Phosphorus: Helps in root growth, seed development, and energy transfer within the plant.

44. Which of the following is a cash crop?

A. Rice
B. Wheat
C. Sugarcane
D. Maize

Answer: C. Sugarcane

Explanation:

• Cash crops: These are grown for sale rather than personal use, and sugarcane is one of the most valuable commercial crops.

45. What is the main purpose of crop rotation?

A. Increase soil fertility
B. Prevent soil erosion
C. Reduce pests and diseases
D. All of the above

Answer: D. All of the above

Explanation:

• Crop rotation: A method used to maintain soil fertility, control pests, and reduce soil erosion by alternating different types of crops.

46. What is the best method to prevent water loss from soil?

A. Weeding
B. Mulching
C. Harvesting
D. Ploughing

Answer: B. Mulching

Explanation:

• Mulching: Covering the soil with organic or inorganic materials reduces evaporation, retains moisture, and controls weeds.

47. Which farming method is suitable for areas with heavy rainfall and hilly terrain?

A. Terrace farming
B. Drip irrigation
C. Shifting cultivation
D. Monoculture

Answer: A. Terrace farming

Explanation:

• Terrace farming: It prevents soil erosion and allows effective water management in hilly areas.

48. What is the name of the tool used to cut crops at harvest time?

A. Plough
B. Hoe
C. Sickle
D. Harrow

Answer: C. Sickle

Explanation:

• Sickle: A curved, handheld cutting tool used by farmers to harvest crops like wheat and rice.

49. Which component of the soil helps retain water the most?

A. Sand
B. Clay
C. Silt
D. Gravel

Answer: B. Clay

Explanation:

• Clay soil: It has tiny particles that trap water, making it the best soil type for water retention.

50. Which farming method uses artificial nutrients and water without soil?

A. Shifting cultivation
B. Mixed farming
C. Hydroponics
D. Subsistence farming

Answer: C. Hydroponics

Explanation:

• Hydroponics: A technique where plants grow in water-based nutrient solutions, helping maximize yield in limited space.

51. Which of the following is an example of a leguminous crop that helps in nitrogen fixation?

A. Wheat
B. Rice
C. Gram
D. Sugarcane

Answer: C. Gram

Explanation:

• Leguminous crops (like gram, peas, and beans) have symbiotic bacteria in their roots that fix nitrogen, improving soil fertility.

52. Which of the following is an example of a kharif crop?

A. Wheat
B. Barley
C. Maize
D. Mustard

Answer: C. Maize

Explanation:

• Kharif crops (such as maize, rice, and millet) are sown in the rainy season (June–July) and harvested in September–October.

53. What is the primary function of potassium in plants?

A. Growth of roots
B. Development of flowers and fruits
C. Increase in leaf size
D. Absorption of water

Answer: B. Development of flowers and fruits

Explanation:

• Potassium: This nutrient plays a vital role in flower and fruit formation, improving crop yield and disease resistance.

54. Which method of irrigation is best suited for sandy soil?

A. Sprinkler irrigation
B. Flood irrigation
C. Drip irrigation
D. Canal irrigation

Answer: A. Sprinkler irrigation

Explanation:

• Sprinkler irrigation: It distributes water evenly, preventing excessive seepage in sandy soil and reducing wastage.

55. What is the term for the agricultural practice of growing fruits and vegetables?

A. Horticulture
B. Apiculture
C. Sericulture
D. Aquaculture

Answer: A. Horticulture

Explanation:

• Horticulture: It is a branch of agriculture focused on growing fruits, vegetables, and ornamental plants.

56. Which type of crop requires a lot of water to grow?

A. Bajra
B. Jowar
C. Rice
D. Gram

Answer: C. Rice

Explanation:

• Rice: It is a water-intensive crop that requires flooded fields for proper growth, especially during its early stages.

57. What is the scientific term for soil erosion caused by wind?

A. Sheet erosion
B. Rill erosion
C. Gully erosion
D. Aeolian erosion

Answer: D. Aeolian erosion

Explanation:

• Aeolian erosion: This occurs when strong winds carry away the topsoil, commonly seen in deserts and dry regions.

58. Which part of the plant absorbs water and minerals from the soil?

A. Stem
B. Leaves
C. Roots
D. Flowers

Answer: C. Roots

Explanation:

• Roots: They anchor the plant and absorb water and nutrients essential for growth.

59. Which of the following is an example of a Rabi crop?

A. Paddy
B. Maize
C. Wheat
D. Jowar

Answer: C. Wheat

Explanation:

• Rabi crops (such as wheat, mustard, and barley) are grown in the winter season and harvested in summer.

60. Which of the following is an organic fertilizer?

A. Urea
B. Compost
C. DAP (Diammonium Phosphate)
D. Superphosphate

Answer: B. Compost

Explanation:

• Compost: It is made from decomposed organic matter and enriches soil fertility naturally.

61. Which of the following farming techniques helps in conserving soil moisture?

A. Ploughing
B. Mulching
C. Weeding
D. Harvesting

Answer: B. Mulching

Explanation:

• Mulching: It involves covering the soil with organic or inorganic materials to reduce evaporation, maintain moisture, and prevent weed growth.

62. What is the term for the controlled breeding of fish, shellfish, and aquatic plants?

A. Apiculture
B. Horticulture
C. Aquaculture
D. Sericulture

Answer: C. Aquaculture

Explanation:

• Aquaculture: It is the practice of breeding and raising fish and other aquatic organisms in controlled environments like ponds and tanks.

63. Which of the following crops is known as a “cash crop”?

A. Wheat
B. Rice
C. Cotton
D. Gram

Answer: C. Cotton

Explanation:

• Cash crops: These are grown for commercial sale rather than for consumption, and cotton is one of the most valuable fiber crops.

64. What is the main benefit of using biopesticides in farming?

A. They are cheaper than chemical pesticides
B. They improve soil fertility
C. They do not harm beneficial insects
D. They work instantly

Answer: C. They do not harm beneficial insects

Explanation:

• Biopesticides: Made from natural materials like bacteria and fungi, they target specific pests without harming beneficial insects and the environment.

65. What is the primary purpose of irrigation in agriculture?

A. To increase soil nutrients
B. To provide water for plant growth
C. To prevent soil erosion
D. To remove weeds

Answer: B. To provide water for plant growth

Explanation:

• Irrigation: It ensures crops receive enough water, especially in areas with irregular rainfall, to support proper growth and yield.

66. Which crop is commonly grown in waterlogged soil?

A. Wheat
B. Maize
C. Rice
D. Bajra

Answer: C. Rice

Explanation:

• Rice: It thrives in flooded conditions because its roots can survive in low oxygen environments, unlike other crops.

67. Which of the following is NOT an organic farming practice?

A. Using chemical fertilizers
B. Using compost
C. Crop rotation
D. Biological pest control

Answer: A. Using chemical fertilizers

Explanation:

• Organic farming: It avoids synthetic fertilizers and pesticides, relying instead on natural compost, crop rotation, and biological pest control.

68. Which machine is commonly used for sowing seeds in modern agriculture?

A. Combine harvester
B. Seed drill
C. Plough
D. Thresher

Answer: B. Seed drill

Explanation:

• Seed drill: This machine sows seeds at the correct depth and spacing, ensuring better germination and higher crop yield.

69. Which of the following helps in soil conservation?

A. Overgrazing
B. Deforestation
C. Afforestation
D. Excessive ploughing

Answer: C. Afforestation

Explanation:

• Afforestation: Planting trees helps prevent soil erosion by stabilizing the soil and improving its water retention capacity.

70. What is the primary reason for crop failure in drought-prone areas?

A. Lack of fertilizers
B. Insufficient irrigation
C. Overuse of pesticides
D. Excessive rainfall

Answer: B. Insufficient irrigation

Explanation:

• Drought-prone areas: These regions receive little rainfall, making irrigation essential for maintaining crop production.

71. Which of the following is a traditional method of irrigation?

A. Drip irrigation
B. Sprinkler irrigation
C. Canal irrigation
D. Hydroponics

Answer: C. Canal irrigation

Explanation:

• Canal irrigation: This method has been used for centuries, where water is supplied to fields through a network of canals from a river or reservoir.

72. Which factor is MOST important for seed germination?

A. Sunlight
B. Temperature
C. Moisture
D. All of the above

Answer: D. All of the above

Explanation:

• Seed germination: Requires the right combination of moisture, warmth (temperature), and oxygen. Sunlight becomes essential once the seedling emerges.

73. Which of the following crops is used to make biofuel?

A. Sugarcane
B. Wheat
C. Gram
D. Cotton

Answer: A. Sugarcane

Explanation:

• Sugarcane: It is used to produce ethanol, a renewable biofuel that can be mixed with petrol to reduce carbon emissions.

74. What is the process of separating grains from harvested crops called?

A. Weeding
B. Irrigation
C. Threshing
D. Ploughing

Answer: C. Threshing

Explanation:

• Threshing: This process removes grains from harvested plants, traditionally done by beating or using machines like threshers.

75. Which of the following crops helps improve soil fertility by fixing nitrogen?

A. Rice
B. Wheat
C. Peas
D. Sugarcane

Answer: C. Peas

Explanation:

• Leguminous crops like peas: These have nitrogen-fixing bacteria in their root nodules, enriching the soil naturally.

76. What is the process of rearing silk-producing worms called?

A. Apiculture
B. Sericulture
C. Horticulture
D. Pisciculture

Answer: B. Sericulture

Explanation:

• Sericulture: It is the practice of raising silkworms for silk production, an important industry in India and China.

77. Which of the following is NOT an advantage of organic farming?

A. Improves soil health
B. Reduces chemical pollution
C. Increases resistance to pests
D. Provides instant high yield

Answer: D. Provides instant high yield

Explanation:

• Organic farming: While it is environmentally friendly and improves soil quality, it may not produce yields as high as chemical-based farming in the short term.

78. Which type of irrigation is most suitable for water-scarce regions?

A. Flood irrigation
B. Sprinkler irrigation
C. Drip irrigation
D. Canal irrigation

Answer: C. Drip irrigation

Explanation:

• Drip irrigation: This method provides water directly to plant roots in small amounts, reducing wastage and improving efficiency.

79. What is the role of earthworms in farming?

A. They harm crops
B. They improve soil aeration and fertility
C. They eat plant roots
D. They attract pests

Answer: B. They improve soil aeration and fertility

Explanation:

• Earthworms: They break down organic matter, mix soil layers, and enhance soil structure, making them beneficial for farming.

80. Which is the major oilseed crop grown in India?

A. Wheat
B. Mustard
C. Rice
D. Maize

Answer: B. Mustard

Explanation:

• Mustard: A widely cultivated oilseed crop, used for extracting edible oil and making condiments.

81. Which of the following is an important pulse crop in India?

A. Maize
B. Barley
C. Gram
D. Sugarcane

Answer: C. Gram

Explanation:

• Gram (chickpea): It is a widely cultivated pulse crop in India and a rich source of protein.

82. Which farming technique involves growing only one type of crop on a large scale?

A. Mixed farming
B. Monoculture
C. Crop rotation
D. Organic farming

Answer: B. Monoculture

Explanation:

• Monoculture: A farming system where a single crop species is grown over a large area, often leading to soil depletion and pest issues.

83. What is the main cause of soil erosion?

A. Afforestation
B. Overgrazing
C. Crop rotation
D. Mulching

Answer: B. Overgrazing

Explanation:

• Overgrazing: When animals feed excessively on vegetation, it weakens plant roots, making soil more vulnerable to erosion.

84. What is the primary function of phosphorus in plants?

A. Root development
B. Chlorophyll production
C. Pest resistance
D. Water retention

Answer: A. Root development

Explanation:

• Phosphorus: It is essential for strong root growth, flowering, and seed development in plants.

85. What is the most widely consumed cereal crop in the world?

A. Wheat
B. Rice
C. Maize
D. Barley

Answer: B. Rice

Explanation:

• Rice: It is a staple food for over half the world’s population, especially in Asia.

86. Which process involves adding nutrients to the soil to enhance plant growth?

A. Weeding
B. Irrigation
C. Fertilization
D. Harvesting

Answer: C. Fertilization

Explanation:

• Fertilization: The application of natural or chemical fertilizers to supply essential nutrients for healthy crop growth.

87. Which of the following is an example of an organic fertilizer?

A. Urea
B. Compost
C. DAP (Diammonium Phosphate)
D. Potash

Answer: B. Compost

Explanation:

• Compost: A natural fertilizer made from decomposed plant and animal matter, enriching soil fertility.

88. Which farming method helps conserve biodiversity?

A. Monoculture
B. Crop rotation
C. Overgrazing
D. Slash-and-burn

Answer: B. Crop rotation

Explanation:

• Crop rotation: Growing different crops in different seasons helps maintain soil fertility and reduces pest buildup.

89. What is the main advantage of terrace farming?

A. Requires less labor
B. Prevents soil erosion
C. Increases the use of chemical fertilizers
D. Needs little water

Answer: B. Prevents soil erosion

Explanation:

• Terrace farming: This method creates step-like fields on slopes, reducing water runoff and preventing soil erosion.

90. What is the term for artificially raising animals for food and other products?

A. Horticulture
B. Animal husbandry
C. Apiculture
D. Sericulture

Answer: B. Animal husbandry

Explanation:

• Animal husbandry: The practice of breeding and raising animals like cows, goats, and poultry for food, milk, wool, and other products.

91. What is the main purpose of crop rotation?

A. To increase soil fertility
B. To reduce soil erosion
C. To minimize pest attacks
D. All of the above

Answer: D. All of the above

Explanation:

• Crop rotation: It helps improve soil fertility, prevents soil depletion, and reduces pest infestations by alternating different crops in the same field.

92. Which of the following is an example of a fodder crop?

A. Maize
B. Sorghum
C. Barley
D. Cotton

Answer: B. Sorghum

Explanation:

• Fodder crops: These are grown specifically to feed livestock, and sorghum is commonly used as animal feed.

93. What is the name of the process in which farmers prepare land for sowing by loosening the soil?

A. Weeding
B. Ploughing
C. Harvesting
D. Threshing

Answer: B. Ploughing

Explanation:

• Ploughing: This process aerates the soil, making it easier for roots to grow and absorb nutrients.

94. Which insect is most beneficial for pollination in farming?

A. Mosquito
B. Ant
C. Butterfly
D. Honeybee

Answer: D. Honeybee

Explanation:

• Honeybees: They transfer pollen from one flower to another, aiding in the reproduction of plants and increasing crop yield.

95. What is the primary goal of greenhouse farming?

A. To grow crops in controlled conditions
B. To increase soil erosion
C. To avoid using fertilizers
D. To prevent irrigation

Answer: A. To grow crops in controlled conditions

Explanation:

• Greenhouse farming: It protects crops from extreme weather and pests, allowing year-round cultivation with regulated temperature and humidity.

96. Which of the following crops is commonly grown in sandy soil?

A. Wheat
B. Bajra
C. Sugarcane
D. Rice

Answer: B. Bajra

Explanation:

• Bajra (Pearl Millet): It thrives in sandy and dry soil conditions, making it ideal for arid regions.

97. What is the primary purpose of drip irrigation?

A. To flood fields with water
B. To provide water directly to plant roots
C. To remove pests
D. To plough the field

Answer: B. To provide water directly to plant roots

Explanation:

• Drip irrigation: This method conserves water by delivering it directly to the root zone, preventing water wastage.

98. What is vermicomposting?

A. Growing crops in water
B. Using worms to decompose organic waste
C. Mixing fertilizers with soil
D. Controlling pests naturally

Answer: B. Using worms to decompose organic waste

Explanation:

• Vermicomposting: Earthworms break down organic waste into nutrient-rich compost, improving soil quality.

99. What is the most common cause of low agricultural productivity?

A. Excessive use of fertilizers
B. Lack of irrigation facilities
C. Growing multiple crops at once
D. Overuse of organic manure

Answer: B. Lack of irrigation facilities

Explanation:

• Irrigation: Inadequate water supply affects crop growth, leading to low agricultural productivity, especially in drought-prone regions.

100. Which of the following is an essential micronutrient for plant growth?

A. Nitrogen
B. Phosphorus
C. Iron
D. Potassium

Answer: C. Iron

Explanation:

• Iron: It is required in small amounts for chlorophyll formation and overall plant health.

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