ICSE Worksheet for chapter-12 Improvement in Food Resources class 9

ICSE Worksheet for chapter-12 Improvement in Food Resources class 9

Worksheet For class 9

Find ICSE Worksheet for chapter-12 Improvement in Food Resources class 9

CLASS-9

BOARD: ICSE

BIOLOGY Worksheet - 12

TOPIC: Improvement in Food Resources

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1. Which of the following is not a sustainable agriculture technique?
   1. Mixed farming
   2. Slash and burn farming
   3. Crop rotation
   4. Crop selection
2. Which of the following is not a characteristic of mixed cropping?
   1. Minimises risk of crop failure
   2. Set pattern of rows
   3. Harvesting and threshing of crops separately is not possible
   4. Individual marketing and consumption of crop is not possible
3. What are the advantages of intercropping and crop rotation?
4. Why should preventive measures and biological control methods be preferred for protecting crops?
5. Which method is commonly used for improving cattle breeds and why?
6. What are the differences between broilers and layers and in their management?
7. Discuss the implications of the following statement:
   “It is interesting to note that poultry is India’s most efficient converter of low fibre foodstuff (which is unfit for human consumption) into highly nutritious animal protein food.”
8. What are the desirable characters of bee varieties suitable for honey production?
9. How do good animal husbandry practices benefit farmers?
10. How do you differentiate between capture fishing, mariculture and aquaculture?