LUGARI REGION KCSE TRIAL EXAMINATION

Comments

Transcription

LUGARI REGION KCSE TRIAL EXAMINATION
LUGARI REGION KCSE TRIAL EXAMINATION - 2016
Kenya Certificate of Secondary Education 2016
443/1
AGRICULTURE
PAPER 1
JULY/AUGUST-2016
MARKING SCHEMES
1.
2
 Calcium
 Magnesium
 Sulphur
a)
b)
3.
Pricking out
 Removing excess/overcrowded seedlings in the nursery bed and planting in a second
nursery bed.
Trelishing
Providing support of crops with vines using a wire or sisal string
Meaning of production
 Combining available resources to make goods or services to meet human wants.
4.
Advantages of individual owner operator tenure system
 Title deed ensure there are no disputes
 Owner can sell or lease land as he wishes to earn income
 Permanent projects can be done
 Permanent projects, conservation and improvement can be practiced
5.
Benefits of draining
 To increase soil aeration
 To increase soil volume
 To raise soil temperature
 To increase microbial activities
 Reduce soil erosion
 Remove toxic substances
6.
Regulation and control of production, storage of maize, wheat and pulses
 Buying and storing maize
 Advising the minister on the production , and implementation of exportation of maize, wheat
and other scheduled crops.
7.
Reduces the spread of run-off lowering the erosive of run-off.
 Reduce /intercepts the impact of raindrops which reduces splash erosion
 Protects soil surface reducing wind erosion
 Organic matter from grass improves soil structure
8.
Indicator of well rotten compost
 Manure
 No smell
 Black in colour
© 2016 Lugari Region Academic Committee
1 Agriculture 443/1
Marking scheme
9.
Contact herbicides kill only the part of plant on which he herbicides falls systemic
herbicides when it is applied on one part it is translocated to all parts killing the whole
plant.
10.
The type of machinery to be used
 Soil fertility
 The size of the plant
 Moisture availability
 Use of the crop
 Pest and disease control
 Growth habit of the crop
11.
Help to show whether the business is making profits or losses
 Show history of the farm
 Help to detect losses or theft
 Helps assessment of income tax
 Determine the value of farm
 Provide labour information
12.
Remove any extra suckers
Removal of dry or diseased leaves
Leave three suckers
13.
Capital availability
 Topography of the land
 Water availability
 Type of soil
 Type of crop to be irrigated
14.
Sites that should be avoided during soil sampling
 Under trees
 Fence lines
 Old manure heaps
 Terrace stands
 Dead furrows
 Paths
15.
State two conditions that must exist for a market to be purely competitive
 Many buyers or sellers
 Homogenous products
16.
Advantages of intensive farming
 High production per unit area
 Can be practiced on small area of land
 High quality production
 Maximum use of resources like land.
17.
Reasons for deep ploughing
 To remove weed roots such as couch grass/eradicating perennial weeds
 Proper aeration of soil
 Allow root penetration and expansion
 Break hardpans and allow water infiltration
 Expose pests to predators and sun
© 2016 Lugari Region Academic Committee
2 Agriculture 443/1
Marking scheme
18.
Reasons for wilting sorghum before feeding to livestock
 Prevent bloat
19.
Four characteristic of a good vegetable seedling to transplant
 healthy
 vigorous growth
 disease and pest free
 4 - 6 true leaves
 10 - 15 cm height
20.
Benefits of agroforestry to a maize crop
 Acts as windbreaks
 Leguminous trees add fertility to the soil
 Leaves drop off to become manure
 Reduce soil erosion
SECTION B
21.
a)
b)
c)
Root trimming/root prunning.
Easen lifting the seedlings for transplanting.
 To develop a more dense rooting system.
 Faster establishment of the roots.
 Hardening of before transplanting.
Polythene sleeves make it easy to store and transport seedlings.
 Avoid damage to seedlings during lifting.
(a)
2
200
x
100
=
22
1000 = 0.5
b)
c)
Less than 1 its inelastic
Its less than 1
23
a)
ii)
(iii)
Trench silo (reject silo)
Silage
Polythene sheet
To prevent entry of water and air
Drainage - to prevent water run-off from getting into the silo
b)
Hay
Standing forage
24.
partial budget
(a)
22.
Credit
Costs incurred
Tomato seeds
Fungicide
Fertilizer
Folia Feed
Extra Revenue
Maize yield 35x800
TOTAL
Debit
Extra Cost
Kshs.
1,300
3,000
12,200
500
Maize Seed
Fertilizer
Revenue Forgone
Tomato yield
60 x 1200= 72,000
63,000
80,000 TOTAL
© 2016 Lugari Region Academic Committee
3 Agriculture 443/1
Kshs.
1,900
13,750
87,650
Marking scheme
Gains - losses
80,000 - 87,650= 7,650
(b)
It’s a loss of 7650 farmer should not change.
SECTION C
25
26.
a)
Information on an invoice.
 Date of transportation.
 People involved.
 Figure and quantity of goods.
 Price per unit of good.
 Total amount.
 Serial number.
 Terms of payment.
(b)
Factors influencing soil formation
(i)
Parent rock
(ii)
Climate
(iii) Topography
(iv)
Biotic factors
(v)
Time
(Brief explanation for each for one to score 1 mk)
(c)
Factor influencing elasticity of demand.
 Availability of substitutes.
Commodities with substitutes have elastic demand.
 Degree of necessity.
Commodities of great necessity have inelastic demand.
 No of uses product is used for commodities with several uses have elastic demand
 Time span
Elastic is greater in the long run since some adjustment can be made
 Time lag.
If use of the commodity can be postponed to another day, then it has elastic demand
 proportion
Commodities which form a large proportion of total expenditure have elastic demand.
(a)
Classification of crop pests.
(i)
Crop attacked.
(ii)
stage of development of net.
(iii) Scientific.
(iv) seedling habit.
( v) habitat .
(vi) level of damage.
(b)
Leaves should not be compressed to heating up and lowering of quality
 Keep plucked tea in a shade
 Take to the factory on the same day
 Put in woven baskets to prevent fermentation
(c)
Maintenance of agro forests type trees
(i)
Protection
(ii)
Pruning
© 2016 Lugari Region Academic Committee
4 Agriculture 443/1
Marking scheme
27.
(a)
(iii)
(iv)
(v)
Trunning
Grafting old trees
Watering, mulching, shading.
(i)
(ii)
Production of dry beans
Varieties: wairimu, rose coco, alpha 4, Canadian wander etc
land preparation - clearing , primary cultivation, secondary cultivation to medium
tilth.
planting
 Plant early
 Spacing 15cm x 30cm
 Depth 5 - 10 cm
 2 or 1 seed per hole
 Apply D.A.P or D.S.P. to plants
 Apply manure
(iii)
iv)
(b)
harvesting
 Harvest when dry/ at 2-5 months
 Early to avoid flattering
 Uproot whole plant
 Thrash to remove seeds from pods
V-
32  27
=5
43
W
X=
Y
48  39
=9
2 1
23  21
=2
65
20  19
=1
87
LCC= MRS
II)
= Price inverse ratio
LCC - MRS PX1
Px2
X1 - Dairy meal
X2 - Home made feed
8
/2 = 4
Where 5 units of dairy meals are mixed with 23 units of home made feed
© 2016 Lugari Region Academic Committee
5 Agriculture 443/1
Marking scheme

Similar documents