Agriculture Paper 1 Question Paper
KCSE CLUSTER TESTS 20
Agriculture Paper 1
SECTION A (30 Marks)
Answer all the questions in this section in the spaces provided.List any three climatic factors which influence agriculture (1 ½ mks)
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1.5 marks
Explain two ways in which temperature influences soil formation.
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1 marks
List three methods of fertilizer application in crop production.
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1.5 marks
List two sites on which agroforestry trees can be established on a farm.
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1 marks
Give two advantages of planting cereal crops in rows instead of broad casting.
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1 marks
Explain how the following methods help to control weeds.
a) Biological method
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b) Legislative method
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2 marks
Mention four practices that should be carried out to maintain grass pastures.
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2 marks
State any three sources of capital for farming.
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1.5 marks
State three advantages of a mixed –grass legume pasture over a pure stand pasture.
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1.5 marks
State three effects of soil erosion.
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1.5 marks
Give two reasons for carrying out soil testing.
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1.5 marks
State three farming activities which may cause pollution to water sources.
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1.5 marks
State four financial books that should be kept on a farm.
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2 marks
Name four natural factors that may encourage soil erosion
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2 marks
State two functions of agricultural finance co-operation.
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2 marks
Name two methods of sampling soil from the field for analysis.
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1 marks
Give two methods of controlling blossom end rot disease in tomatoes.
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1 marks
State three factors which determine the quality of farmyard manure.
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1.5 marks
Name two methods of frame formation in tea.
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1.5 marks
Give two reasons for drying grain crops before storage.
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1.5 marks
State three factors that determine the depth of cultivation during seedbed preparation.
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1.5 marks
Explain how monocropping leads to a loss of soil fertility.
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1.5 marks
SECTION B (20 Marks)
Answer all the questions in this section in the spaces provided.The graph below shows the quantity of potatoes supplied at different prices on a market
a) From the graph determine the following :-
i) The quantity of potatoes supplied at a price of ksh 65 per kilogram
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ii) The price per kilogram when 80kg of potatoes were supplied to the market
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b) A part from the price, state four other factors that could have influenced the supply of potatoes on the market.
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c) If the price of potatoes changes Ksh 50.00 to Ksh.60.00 per kilogram resulting in a change of supply from 400kg to 600kg, calculate the elasticity of supply
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5 marks
Study a section of the diagram of soil conservation practice shown below, then answer the questions that follow.
a) Identify any two soil conservation practices on the diagram, other than the grass wall.
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b) Explain any two ways in which grass wall helps to conserve soil.
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3 marks
Below is a diagram of a tomato fruit which has been infected by pest K.
a) Name pest K.
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b) State two cultural methods used in controlling the pest in the field
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3 marks
Below is an illustration of a structure used in crop propagation. Study the diagram and answer the questions that follow.
a) Identify the structure
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b) State two advantages of having the part labeled C.
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c) What is the recommended distance between D and E in the diagram?
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d) Give two ways of minimizing root damage of tomato seedlings during lifting from the above structure. ...................................................................................................................................................................................................................................................................
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5 marks
a) Calculate the plant population in a 4.5 ha plot on a maize crop planted at the spacing of 75cm x30cm (Assume 1 plant per hole).
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b) A farmer wanted to topdress one hectare of maize crop. There was only sulphate of ammonia containing 21% N. Sulphate of ammonia is applied at the rate of 120kg/ha. Calculate the amount of nitrogen in kilograms that is to be applied per hectare.
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4 marks
SECTION C (40 Marks)
Answer any two questions from this sectiona) Describe four practices carried out to prepare seeds for planting. (8mks)
b) Outline five reasons for planting crops at the correct spacings. (5mks)
c) Describe the factors that should be considered when classifying crop pests. (7mks)
20 marks
a) Describe the factors that contribute to the competitive ability of weeds. (6mks)
b) Outline five reasons for planting annual crops at the onset of rains. (5mks)
c) Describe the farming practices which may help in achieving minimum tillage (6mks)
20 marks
a) State and explain the principles that govern the operations of farmers co-operative societies. (10mks)
b) Discuss the importance of budgeting in agricultural production. (10mks)
20 marks