Section A (Multiple Choice)
1) D
2) C
3) A
4) D
5) B
6) C
7) B
8) C
9) B
10) A
11) C
12) A
13) B
14) D
15) D
16) C
17) B
18) C
19) C
20) A
Section B (50 mark)
21. a) Free range/semi-intensive/intensive system (3 marks)
   b. (i) Deep litter house (1 mark)
      (ii) Bricks/thatch grass/nails/bamboos/iron sheets/cement/linya/mesh wire/stones (quarry)
       (Any two of these)
      (iii).Birds are well protected from predators
          .It is easy to notify sick birds easily
          .Chickens are also well protected from extreme weathers such as cold, heat and wind
         .manure collection and eggs become easier (1 mark for each correct answer)
22. a) Help to avoid over expenditure
  . Assist famers to allocate production resources wisely to various competing enterprises
  . Shows a famer anticipated profit and loss from each enterprise
  . Helps the famer in planning and decision making (Any two of these)
  b) Is the amount of work done by humans/effort of people in process of production?
 Inputs for cotton farm           Inputs for broiler farm
 Sprayer                      Vaccines
 Fertilizer                   Vitamins
 Pesticides                   Drugs and water
 herbicides
Any four (ie. 2 from each column) (2 marks)
23.
Organic fertilizer                Inorganic fertilizer
Compost manure                    23:21:0
Farmyard manure                   Urea
                                  Calcium ammonium nitrate
24. Pie chart
                          20-25%         45-50%
                          air            Meneral matter
                          20-25%
                          water        3-5%                  4 fill marks if drawn like this
                                     organic
25. a) . They are greatly palatable
      . More nutritious
      . Greater disease resistance and pest tolerance
      . Cheap as they locally found in diverse
       . Low cost of production
       . Ease of production
    b) . Mulching
      .watering
      . Weeding
      . Application of manure or fertilizer
      . Stacking
      .pruning
      .protecting them from pests and diseases (Any two from the list)
26. a) Field pests, storage pests (2 marks)
    b). Limited land ownership
      . Low access to land use
      . Lack of access to credit
     .low access to extension services
      .limited to use of farm income (Any two from the list)
27. a) A-top soil
       B-sub soil
       C-weathered rock
       D-parent rock/parent material
    b). Dark in colour
      . Rich in nutrients
      . Rich in soil micro-organisms
      .High porosity hence well aerated
      .Rich in soil organism
28. a) (i) maize stalk borer (1 mark)
       (ii) .stem. Leaves
    b) (i).destroying all crop residue
. Observe closed season
. Plant large areas of maize and sorghum at the same time
. Rotation crops
. Tilling the soil
. Removing volunteer plants
. Early planting (any 2 of the option)
(ii) Dipterex (1 mark)
c). Rumen
 . Reticulum
 .Omasum
 .Obamusam (any two of these)
29. (i) Influences process of photosynthesis
   (ii) Influences seed germination
   (iii) influences drying of crops
   (iv) Influences seed dispersal
   (v) Influences cross planting
   (vi) influences driving of wind mills
   (vii) influences breathing of soil microbes
30. (i) Credit facilities
   (ii) Personal savings
   (iii) Inheritance
    (iv)grants or donations (any two from the list)