CBSE Class 9 Science Improvement in food resources Sure Shot Questions Set 02

CBSE Class 9 Science Improvement in food resources Sure Shot Questions B. There are many more useful educational material which the students can download in pdf format and use them for studies. Study material like concept maps, important and sure shot question banks, quick to learn flash cards, flow charts, mind maps, teacher notes, important formulas, past examinations question bank, important concepts taught by teachers. Students can download these useful educational material free and use them to get better marks in examinations.  Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.

1. State one demerit with composite fish culture system.

2. State one importance of photoperiod in agriculture.

3. Name one micronutrient and one macronutrient which plants take from the soil.

4. List two desirable traits for fodder crops.

5. Distinguish between a mullet and a prawn.

6. Name two breeds of cows selected for long lactation period.

7. How does Bombay duck differ from common carp ?

8. How does catla differ from mrigal?

9. Name the two vitamins which are added in the poultry feed.

10. From where do plants acquire the following nutrients?

   (a) Nitrogen

   (b) Hydrogen

11. State the reason of introducing Italian bee variety in bee farms.

12. Mention any two activities for the improvement of crop yield.

13. Which nutrients are supplied by cereals and pulses ?

14. Name two fresh initiatives taken to increase the water availability for agriculture.

15. Mention any two advantages of using Italian bee variety in honey production.

16. Name any two weeds of crop field.

17. Define animal husbandry.

18. What are genetically modified crop?

19. Mention the components of food present in vegetable and fruits.

20. Name the cereals which provide us carbohydrate for energy requirement.

21. Give technical term for milk producing females and farm labour animals.

22. Why do we eat pea and groundnut?

23. Name two types of animal feed.

24. Give the full form of FYM.

25. Name two main factors responsible for loss during storage of grain.

26. How much damage to crops can be caused by insects, pests and diseases?

27. Name four macro nutients important for plants.

28. What is green revolution?

29. What was the aim of white revolution?

30. Name a marine fish.

31. Name the technique of culturing marine fish.

32. Which vitamins are found high in broilers?

33. Which Indian scientist is considered as the father of green revolution?

34. Name a fibres yielding crop.

35. Name four types of irrigation systems adopted in our country.

36. Name the members of a honey-bee family.

37. Give two hazards of using fertilizers.

38. Mention two examples of mixed cropping.

39. Name two factors responsible for losses of grains during storage?

40. Name an exotic variety of honey bee grown in India.

41. What is called the rearing of fish on a large scale?

42. List any two methods adopted in farming for the health of the cattle.

43. List the two types of food requirements of dairy animals.

44. What are rabi crops? State any two examples.

45. List two demerits of the continuous use of fertilizers.

46. List any two advantages of crop rotation.

47. List two characteristics each of roughage and concentrate in relation to animal feed.

48. Mention the two types of food requirements of dairy animals.

49. "Removal of weeds from cultivated fields during the early stages of growth of crops is essential for a good harvest". Justify the statement.

50. Farmers use bee-keeping as an additional income generating activity. Give two reasons.

51. Name any one bottom feeder that can be grown in composite fish culture.

52. What are the problems faced in such a culture ? How are they overcome?

53. The shorter the duration of the crop the more economical is the variety. Justify this statement.

54. What are the long term benefits of using manure in crop production?

55. What is the major problem is fish farming? How is this problem overcome?

56. How can insect/pests in crop plants and stored grains be controlled?

57. What is meant by the term 'green manure'? State its role in agriculture.

58. How is green manuring done? How is it useful for the soil?

59. What is pasturage and has how is it related to honey production?

60. What are Rabi and Kharif crops? Give two examples each.

61. Name two biotic and two abiotic factors that affects crop production.

62. What is meant by organic farming?

63. Compare the use of manure and fertilizers in maintaining soil fertility.

64. What is meant by sustainable agriculture?

65. What are macronutrients and why are they named so? Give examples also.

66. Which component of food is present in pulses ? Also mention its function in the body.

67. Define-green manure and vermicompost.

68. Differentiate between bee keeping and poultry farming.

69. Give two merits and two demerits of fish culture.

70. Suggest two preventive measures for the diseases of poultry birds.

71. List out four useful traits in improved crop?

72. What is a GM crop? Name any one such crop which is grown in India.

73. Define the term photoperiod.

74. Group the following and tabulate them as energy yielding, protein yielding, oil yielding and fodder crop.

75. What type of crops are generally raised in green fields?

76. Write four points on human dependence on plants and animals for food.

77. Distinguish between intercropping and mixed cropping. List any two advantages of intercropping over mixed cropping.

78. State three management practices that are common in dairy and poultry farming.

79. List any three desirable characters of bee varieties suitable for honey production?

80. List any three ways by which the insect/pests attack the plants.

81. List any three desirable characters of bee varieties suitable for honey production?

82. List any six factors for which variety improvement in crops is done.

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