AGRICULTURE - Form 2 End of Term 1 2019 Examinations

SECTION A (80 marks)

1. Name two ways in which agriculture contributes directly to development of industries. (2 mks)
2. List four ways in which HIV/AIDS affect food supply. (2 mks)
3. State four disadvantages of pastoral-nomadism system of farming. (2 mks)
4. State four advantages of organic farming. (2 mks)
5. Differentiate between pomoculture and Olericulture. (2 mks)
6. State four factors that determine the choice of a farming method. (2 mks)
7. State any four human factors that influence agriculture. (2 mks)
8. State four harmful effects of pests to crops. (2 mks)
9. State three farming practices that can improve soil structure. (3 mks)
10. State any four categories of farm tools and equipment’s. (2 mks)
11. Study the illustrations below and answer the questions that follow.
    
    1. Identify the tool labeled: (1 ½ mk)
       K  
       L
       M
    2. State two uses of tools M. (2 mks)
    3. State two maintenance practices carried out on tools K and L. (2 mks)
12. Name the tools that can be used for following in the farm.
    1. Checking the specific gravity of milk.   (½ mk)
    2. Digging holes to fix posts during fencing. (½ mk)
13. Give two possible and appropriate hand tools needed to finish off the handle of a fork jembe. (1 mk)
14. Name any two combinations of tools that must always be used together when carrying out operation in animal production. (1 mk)
15. List four conditions that necessitate land clearing. (2 mks)
16. Give four benefits of ridging in Irish potato production. (2 mks)
17. Name two types of tithe likely to be achieved during harrowing. (2 mks)
18. Define the term seedbed. (1 mk)
19. Name four water storage structures in the farm. (2 mks)
20. Name three types of pipes used in conveyance of water in the farm. (1 ½ mks)
21. Below is a diagram showing a method of drainage . Use it to answer the questions that follow.
    
    1. Identify the above method of drainage. (1 mk)
    2. State one advantage of the above method of drainage. (1 mk)
    3. Outline four importance of drainage as a method of land reclamation. (4 mks)
22. The following is an illustration of a compost heap.
    
    1. Define compost manure. (1mk)
    2. Label parts A-D. (2 mks)
    3. What is the use of each of the parts labeled A, C and D. (1 ½ mks)
    4. Give three reasons why compost manure not commonly used in the farms 1 ½ mks
23. State four characteristics that should be met by plants to be used for green manure making. (4 mks.)
24. Complete the table that follow. 4mks
    

    	4 young castrated male cattle
    Pullet
    Piglet
    	4 mature male sheep

25. Name two dual purpose breeds of sheep. (2 mks)
26. State three reasons why goats are popular in most parts of Kenya. (3 mks)
27. State two major physical difference between Bactrian and dromedary breeds of camel. (2 mks)
28.  
    1. Define the term farm records. (1 mk)
    2. State four qualities of a good farm record. (2 mks)
29.  
    1. Differentiate between macro-nutrients and micro-nutrients. (1 mk)
    2. State four deficiency symptoms of nitrogen. (2 mks)
30. Calculate the amount of K0₂ contained in 400Kg of a compound fertilizer 25: 10: 5. (2 mks)
31. Name the vegetative part used for the propagation of the following crops: (2 mks)
    1. Sweet potatoes
    2. Banana
    3. Cassava
    4. Sisal
32. State two categories of crop propagation. (2 mks)

SECTION B (20 Marks)

Answer any two questions from this section:

33.  
    1. Explain six characteristics of nitrogenous fertilizers. (6 mks)
    2. State four type information that should be contained on the sample package before it is taken to the laboratory for sampling. (4 mks)
34.  
    1. State six advantages of using seeds as planting materials. (6 mks)
    2. State four factors that should be considered when selecting planning materials. (4 mks)
35.  
    1. Outline five disadvantages of broadcasting as a method of planting. (5 mks)
    2. State five importance of carrying out soil testing. (5 mks)