This quiz works best with JavaScript enabled. Home > Cbse > Class 9 > Science > Improvement In Food Resources > Class 9 Science Chapter 15 Improvement In Food Resources – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 9 Science Chapter 15 Improvement In Food Resources Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Manures are considered better than fertilisers because A) Manures are rich in inorganic matter while fertilisers are not rich in inorganic matter. B) Manures provide humus to the soil whereas fertilisers do not provide humus to the soil. C) Manures can be stored for a long time whereas fertilisers cannot be stored for long time. D) Manures are prepared in factories while fertilisers are prepared in the fields. Show Answer Correct Answer: B) Manures provide humus to the soil whereas fertilisers do not provide humus to the soil. 2. Berseem, Oats or Sudan grass are examples of A) Fodder crops. B) Spices. C) Pulses. D) Cereals. Show Answer Correct Answer: A) Fodder crops. 3. Chandu wants to store the grains of his field. What measures should he take to avoid damage to the grains. A) Keep the granary clean. B) Spray insecticides and fungicides. C) Dry the grains in the sun. D) All of these. Show Answer Correct Answer: D) All of these. 4. Which cropping pattern best conserves soil and prevents weed spread? A) Single cropping. B) Monoculture. C) Crop rotation. D) Fallowing. Show Answer Correct Answer: C) Crop rotation. 5. What is the supplying of water to land through artificial means? A) Sprinkling. B) Evapotranspiration. C) Natural rain. D) Irrigation. Show Answer Correct Answer: D) Irrigation. 6. Rice, maize, sorghum, provide us ..... for energy requirement. A) Carbohydrate. B) Minerals. C) Vitamins. D) Proteins. Show Answer Correct Answer: A) Carbohydrate. 7. Which of the following type of bees are found very less number in the bee hive? A) Worker Bee. B) Queen bee. C) Male bee. D) None of these. Show Answer Correct Answer: C) Male bee. 8. Farmers grow legumes as fodder in one season and wheat in next season. This helped in the replenishment of the soil with ..... A) Nitrogen. B) Hydrogen. C) Carbon. D) Nitric acid. Show Answer Correct Answer: A) Nitrogen. 9. Which problem is best addressed by adopting watershed management? A) Unpredictable water supply. B) Low seed viability. C) Nutrient deficiency. D) Pest infestation. Show Answer Correct Answer: A) Unpredictable water supply. 10. Green Revolution refers to ..... A) Grow more crops. B) High Yield Variety Programme. C) Use of green manure. D) Green Vegetation. Show Answer Correct Answer: B) High Yield Variety Programme. 11. Which animal-based practice gives economic return from both food and medicinal industry? A) Poultry. B) Cattle for draught. C) Goat farming. D) Bee-keeping (Honey + wax). Show Answer Correct Answer: D) Bee-keeping (Honey + wax). 12. Identify abiotic factor A) Temperature. B) Bacteria. C) Pest. D) Plants. Show Answer Correct Answer: A) Temperature. 13. The unwanted plants which grow with main crops are called A) Crops. B) Grasses. C) Weeds. D) Herbs. Show Answer Correct Answer: C) Weeds. 14. Which of the following is known as energy currency? A) ADP. B) AMP. C) ATP. D) All the above. Show Answer Correct Answer: C) ATP. 15. Which one is not a source of carbohydrate? A) Millets. B) Gram. C) Rice. D) Sorghum. Show Answer Correct Answer: B) Gram. 16. Explain intervarietal hybridisation A) Cross between two different varieties. B) Cross between two species. C) Cross between two genus. D) None of the above. Show Answer Correct Answer: A) Cross between two different varieties. 17. What is the other name for Apis cerana indica? A) Indian Buffalo. B) Indian cow. C) Indian horse. D) Indian bee. Show Answer Correct Answer: D) Indian bee. 18. Which one of the following nutrients is not available in fertilizers? A) Potassium. B) Phosphorus. C) Iron. D) Nitrogen. Show Answer Correct Answer: C) Iron. 19. Fumigation in grain storage is done to: A) Remove moisture. B) Improve taste. C) Kill pests. D) Prevent sprouting. Show Answer Correct Answer: C) Kill pests. 20. What percent of cropped area of India is still unirrigated A) 55. B) 5. C) 25. D) 45. Show Answer Correct Answer: D) 45. 21. A farmer uses sunhemp as a green manure before sowing wheat. What is the benefit? A) Acts as a weedicide. B) Adds nitrogen to soil. C) Reduces temperature. D) Increases moisture. Show Answer Correct Answer: B) Adds nitrogen to soil. 22. Hybridisation is the technique of A) Cross breeding between two genetically different plants. B) Inserting new gene into the genome of Crop of interest. C) Both. D) None. Show Answer Correct Answer: A) Cross breeding between two genetically different plants. 23. Find the odd one out:[White revolution, milk, fish] A) White revolution. B) Milk. C) Fish. D) None of them. Show Answer Correct Answer: C) Fish. 24. Loss of foodgrain may occur due to (a) Grains are properly dried(b) Spraying of chemical to protect grains from fungus and insects(c) Grains are kept in moisture(d)Storage place have rats A) B, d. B) A, b. C) C, d. D) B, c. Show Answer Correct Answer: C) C, d. 25. Plants have roots that take in water and nutrients from ..... A) Sunlight. B) Soil. C) Air. D) Stem. Show Answer Correct Answer: B) Soil. 26. Which among the following is the rabi crop? A) Rice. B) Soya bean. C) Cotton. D) Linseed. Show Answer Correct Answer: D) Linseed. 27. Hybridisation of which species of cow will give high immunity and high lactation period? A) Brown swiss-Jersey. B) Sahiwal-Red Sindhi. C) Brown swiss-Red Sindhi. D) None of these. Show Answer Correct Answer: C) Brown swiss-Red Sindhi. 28. What has green revolution led to? A) Increased milk production. B) Decreased milk production. C) Increased food grain production. D) Decreased food grain production. Show Answer Correct Answer: C) Increased food grain production. 29. Identify the macronutrient- A) Boron. B) Copper. C) Sulphur. D) Zinc. Show Answer Correct Answer: C) Sulphur. 30. Which of the following is rich in carbohydrates? A) Apples. B) Spinach. C) Wheat. D) Eggs. Show Answer Correct Answer: C) Wheat. 31. Name any two factors for which crop variety improvement is done. A) Higher yield and improved quality. B) Lower yield and decreased quality. C) Higher yield and decreased quality. D) Lower yield and improved quality. Show Answer Correct Answer: A) Higher yield and improved quality. 32. Differentiate between rabi and kharif crops with examples. A) Rabi crops are apples, oranges, and bananas. Kharif crops are potatoes, carrots, and tomatoes. B) Rabi crops are sunflower, sugarcane, and jute. Kharif crops are lentils, chickpeas, and mung beans. C) Rabi crops are corn, oats, and rye. Kharif crops are peanuts, almonds, and walnuts. D) Rabi crops are wheat, barley, peas, and mustard. Kharif crops are rice, maize, cotton, and soybean. Show Answer Correct Answer: D) Rabi crops are wheat, barley, peas, and mustard. Kharif crops are rice, maize, cotton, and soybean. 33. Who is the father of Green Revolution in the World? A) M.S Swaminathan. B) R.K.V Rao. C) Norman Borlaug. D) Raj Krishna. Show Answer Correct Answer: C) Norman Borlaug. 34. It is not a way to improve crop A) By incorporation of genes. B) Interchangeable fertilizers. C) Interspecific hybridization. D) Intervarietal genetic cross. Show Answer Correct Answer: B) Interchangeable fertilizers. 35. The "central dogma" states that genetic information flows from A) DNA$\rightarrow$mRNA$\rightarrow$Protein. B) Protein$\rightarrow$mRNA$\rightarrow$DNA. C) MRNA$\rightarrow$DNA$\rightarrow$Protein. D) Protein$\rightarrow$DNA$\rightarrow$mRNA. Show Answer Correct Answer: A) DNA$\rightarrow$mRNA$\rightarrow$Protein. 36. Iron is a macronutrient A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 37. M. S. Swaminathan is regarded as father of A) Physiology. B) Economic-Ecology. C) Ecology. D) Genetics. Show Answer Correct Answer: B) Economic-Ecology. 38. Animal husbandry is done for the following purposes (i) Milk Production (ii) Agricultural work (iii) Meat production (iv) Egg production A) (i), (ii) and (iii). B) (ii), (ii) and (iv) and (iv). C) (iii) and (iv). D) (i) and (iv). Show Answer Correct Answer: A) (i), (ii) and (iii). 39. The practice of growing two or more crops simultaneously in definite rows in the same field is called as A) Mixed cropping. B) Mixed farming. C) Crop rotation. D) Inter cropping. Show Answer Correct Answer: D) Inter cropping. 40. The National Dairy Development Board (NDDB) designed and implemented the world's largest dairy development programme, called "Operation Flood" , which came out to be the reason behind White Revolution in India. Can you name the man who is known as the Father of White Revolution? A) Dr.V. Kurien. B) Dr. M.S. Swaminathan. C) Norman Borlaug. D) Dr.G nammalvar. Show Answer Correct Answer: A) Dr.V. Kurien. 41. How does genetic modification (GM) differ from hybridization? A) Hybridization is faster and more precise than GM. B) GM involves altering the DNA of a plant, while hybridization involves cross-breeding two plants. C) GM is a natural process, while hybridization is done in a lab. D) GM is only used for increasing crop yields, while hybridization is used for pest control. Show Answer Correct Answer: B) GM involves altering the DNA of a plant, while hybridization involves cross-breeding two plants. 42. Mullets, prawns, mussels are examples of A) Finned fishes. B) Fresh-water fishes. C) Marine fishes. D) Shell fishes. Show Answer Correct Answer: C) Marine fishes. 43. Micronutrients required by plants in A) Large quantities. B) Small quantities. C) All the above. D) None of the above. Show Answer Correct Answer: B) Small quantities. 44. What is the process of growing two or more crops in a definite pattern? A) Inter-cropping. B) Crop rotation. C) Mixed cropping. D) Organic cropping. Show Answer Correct Answer: A) Inter-cropping. 45. How many nutrients are essential for plants? A) Eight. B) Twelve. C) Sixteen. D) Four. Show Answer Correct Answer: C) Sixteen. 46. Name the two factors on which food security depends. A) Availability of water and access to it. B) Availability of food and access to it. C) Availability of sunlight and access to it. D) Availability of air and access to it. Show Answer Correct Answer: B) Availability of food and access to it. 47. What is the main goal of crop variety improvement? A) To increase the use of chemical pesticides. B) To reduce biodiversity in agriculture. C) To improve crop yield, resistance, and adaptability. D) To decrease the cost of farming equipment. Show Answer Correct Answer: C) To improve crop yield, resistance, and adaptability. 48. Root nodules of leguminous Plants contain A) Rhizobium. B) Anabaena. C) Azolla. D) Mycorrhiza. Show Answer Correct Answer: A) Rhizobium. 49. The element which is required in largest quantity by plants is: A) Sulphur. B) Calcium. C) Phosphorus. D) Nitrogen. Show Answer Correct Answer: D) Nitrogen. 50. Why is continuous use of chemical fertilizers discouraged? A) They increase yield permanently. B) They encourage pest resistance. C) They deplete soil's organic content and harm microorganisms. D) They prevent leaching of nutrients. Show Answer Correct Answer: C) They deplete soil's organic content and harm microorganisms. 51. How can storage grain losses be minimized in agriculture? A) By using proper storage techniques. B) By using outdated storage methods. C) By storing the grain in a damp environment. D) By leaving the grain exposed to the elements. Show Answer Correct Answer: A) By using proper storage techniques. 52. Cyperinus and Parthenium are types of A) Weeds. B) Diseases. C) Pathogens. D) Pesticides. Show Answer Correct Answer: A) Weeds. 53. Hybridisation in crops involves: A) Crossing dissimilar plants for desirable traits. B) Inoculating seeds with fungi. C) Cross-breeding animals. D) Mixing fertilizers. Show Answer Correct Answer: A) Crossing dissimilar plants for desirable traits. 54. How will you control weeds in the field? A) Removing it manually. B) Deep ploughing. C) Using weedicides. D) All of these. Show Answer Correct Answer: D) All of these. 55. Crop rotation improves yield primarily because: A) It reduces sunlight exposure. B) It helps in maintaining soil fertility and controlling pests. C) It increases water usage. D) It eliminates pollination. Show Answer Correct Answer: B) It helps in maintaining soil fertility and controlling pests. 56. Process of growing two or more crops simultaneously on the same field in a definite pattern/alternative pattern is called A) Intercropping. B) Mixed cropping. C) Crop rotation. D) None of the above. Show Answer Correct Answer: A) Intercropping. 57. Which one is an oil yielding plant among the following? A) Hibiscus. B) Sunflower. C) Lentil. D) Cauliflower. Show Answer Correct Answer: B) Sunflower. 58. Which photoperiod-related factor must be considered before selecting a crop variety for cultivation in different regions? A) Duration of sunlight required for flowering. B) Availability of fertilizers. C) Number of irrigation cycles. D) Protein content. Show Answer Correct Answer: A) Duration of sunlight required for flowering. 59. Organic remains are fed by earthworms in pulverized state A) Compost. B) Compost worms. C) All the above. D) None of the above. Show Answer Correct Answer: B) Compost worms. 60. Poultry farming is undertaken to raise following (i) Egg production(ii) Feather production(iii) Chicken meat(iv) Milk production A) (iiii) & (iv). B) (i) & (iii). C) (I) & (II). D) (ii) & (iii). Show Answer Correct Answer: B) (i) & (iii). ← PreviousNext →Related QuizzesScience QuizzesClass 9 QuizzesClass 9 Science Chapter 15 Improvement In Food Resources Quiz 1Class 9 Science Chapter 15 Improvement In Food Resources Quiz 3Class 9 Science Chapter 15 Improvement In Food Resources Quiz 4 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books