KNEC KCSE Agriculture Paper 1 Question Paper / 2014 Kakamega County Mock
2014 Kakamega County Mock
Agriculture Paper 1
SECTION A (30 Marks)
Answer all questions in this section.
1.
Give two characteristics of plantation farming.
1 marks
2.
Name two chemical processes of weathering.
1 marks
3.
State two advantages of organic farming .
1 marks
4.
Outline three effects of soil organisms which benefit plant growth.
1.5 marks
5.
Give two ways in which organic mulch help to conserve water in the soil.
1 marks
6.
Give two types of labour records.
1 marks
7.
Outline four ways in which land consolidation helps to improve farm management.
2 marks
8.
List six factors that should be considered when grading a crop produce.
3 marks
9.
State four importance of raising tomato seedlings in a nursery bed.
2 marks
10.
Give four ways of controlling weeds in a field of maize.
2 marks
11.
State three reasons for top dressing pasture.
1.5 marks
12.
Give four reasons for training crops as a field practice
2 marks
13.
State three activities the farmer carries out on a store before storing grains.
1.5 marks
14.
Give four desirable characteristics of certified seeds.
2 marks
15.
(a) Outline two characteristics of nitrogenous fertilizers. (1mk)
(b) Give the forms in which the following elements are available to plants: (1mk)
(i) Phosphorous
(ii) Potassium
2 marks
16.
List three general symptoms of viral diseases in crops.
1.5 marks
17.
Give four factors that influence the choice of tools and equipment used in Primary
cultivation.
2 marks
18.
State four factors that contribute to competitive ability of weeds.
2 marks
SECTION B (20 Marks)
Answer all questions in this section.
19.
(a) Diagram below shows an adult crop pest which in its larval stage causes the middle
shoots of sorghum to wither as shown in the diagram.
(i) Identify the pest. (0.5mks)
(ii) Give two ways of controlling the pest. (2mks)
(b) Diagrams E,Fand G below shows the panicles of three sorghum varieties growing side
by side.
(i) Which one of the threevarieties of sorghum is least likely to be damaged by the
birds. (0.5 mks)
(ii) Give a reason for your answer in (i) above. (1mk)
(iii) State two methods that are used in controlling birds in a field of sorghum.(2mks)
6 marks
20.
The diagram below shows a method of bringing tea into bearing. Use it to answer the
questions that follow
(i) Identify the specific method shown in the diagram. (0.5 mk)
(ii) Describe the procedure of carrying out the above in a tea bush. (4mks)
4.5 marks
21.
Use the diagrams below to answer the questions that follow
(a) Identify each of the soil structures labeled K and L (0.5mk)
(b) Give one place where the soil structure labeled L can be found. (1mk)
(c) State three ways in which a farmer can improve the structure of water logged clay
soil. (3mks)
4.5 marks
22.
The diagram below illustrates a vegetative propagation method. Study it and answer the
questions that follow.
(a) Name the method used in preparing the above planting material. (0.5 mk)
(b) Name the crop propagated using the above method (1mk)
(c) Name the parts labeled X and Y (2mks)
X____________________________________________________________________
Y____________________________________________________________________
(d) State one environmental condition necessary for the success of the method named in (a)
above. (1mk)
4.5 marks
SECTION C (40 Marks)
Answer two questions in this section.
23.
(a) Describe the production of Kales under the following sub headings:-
(i) Seedbed preparation (3mks)
(ii) Transplanting
(5mks)
(iii) Field practices (4mks)
(b) Explain eight cultural control measures of diseases in crop production. (8mks)
20 marks
24.
(a) Below is a graphical representation of the law of diminishing returns. Explain what
happens in each of the zones marked I, II and III in relation to output. (3mks)
Zone marked I__________________________________________________________
Zone marked II________________________________________________________
Zone marked III_______________________________________________________
(b) Which of the three is a rational zone of production? (1mk)
(c) State any six precautions a potato farmer would take to minimize risks in the
production of potatoes. (6mks)
(d) Explain ten factors to consider when selecting a farm enterprise (10mks)
20 marks
25.
(a)Give six precautions observed in pruning mature tea. (6mks)
(b) Describe the procedure followed when collecting a soil sample from the field for
testing in the laboratory. (6mks)
(c) Give four desirable characteristics of materials used in the preparation of compost
manure. (4mks)
(e) Outline four advantages of intercropping crops. (4mks)
