ALLIANCE HIGH SCHOOL

AGRICULTURE

PAPER ONE

PRE- TRIAL EXAM 2016

TIME 2 HRS

NAME ……………………………………….ADM NO…………………………

TEACHER …………………………………..DATE DONE…………………….

SIGNATURE ……………………………….. DATE RETURNED ……………..

INSTRUCTIONS

  1. Write your name and admission number
  2. Answer all questions in section A and B and two questions ONLY in section C
  3. Write your answers on the spaces provided
  4. Use English Language
  5. Cancelled work will not be marked
  6. This paper consist of 9 printed pages

SECTION A (30MKS)

Answer ALL questions in this section in the spaces provided

  1. State four reasons for planting potatoes in a ridged seedbed.(2marks)

______

  1. Name two types of inventory records(1 mark)

______

  1. State two conditions under which seeds are seeded at a high seed rate(2marks)

______

  1. Mr. Kimani was advised to apply 150kg CAN/ha while top dressing the maize crop. Calculate the amount of nitrogen applied per hectare if CAN contains 20% nitrogen (2marks)

______

  1. Name two propagation materials used in the establishment of pineapples(1mark)

______

  1. State four reasons for pruning(2marks)

______

  1. Give a term used to mean a market condition where

i) There is a sole seller(1mark)

______

ii)There is a sole buyer(1mark)

______

  1. Outline four advantages of mixed farming(1mark)

______

  1. What is organic farming?(1mark)

______

  1. Outline four information contained in a title deed.(2marks)

______

  1. State three problems facing Agriculture in Kenya. (1½ marks)

______

  1. State four factors that determine the quality of tomatoes(2marks)

______

  1. Give four characteristics of large scale farming system(2marks)

______

  1. What are the reasons for forage conservation?(2marks)

______

  1. State three aspects of light that affect crop production (1½ marks)

______

  1. Give four factors considered when siting a milking parlour(2marks)

______

SECTION B (20MKS)

  1. The diagrams labeled B, C and D below illustrate some of the methods used to propagate some field crops.Study the diagrams and answer the questions that follow.

a) Identify the methods labeled B, C and D(1½ marks)

B______

C______

D______

b)Name one crop each propagated using method B, C and D(1½ marks)

______

c)Name the parts labeled K and L in B(2marks)

______

  1. The following table gives the monthly demand and supply schedule of potatoes in all secondary schools in Kenya. Use it to answer the questions that follow.

Price per Kg / Demand in million of Kgs / Supply in millions of Kgs
10
9
8
7
6
5
4
3 / 23
30
36
41
45
48
50
51 / 59
57
54
50
45
39
32
25

a) Draw the graph of demand against supply(2mks)

b)What is the equilibrium price?(½ mk)

______

c)State the effects of a government imposing a maximum price of:(½ mk)

i)Kshs.5per kg(½ mk)

______

ii)Kshs.7 per kg(½ mk)

______

d)If the government guaranteed a potato supply at a price of shs.7 per kg, what quantity would it have to purchase to maintain this price? (1mk)

______

e)State one factor that influences price of a good or service(½ mk)

______

  1. The diagram below represents a crop pest. Study it and answer the questions that follow.

a) Identify the pests(1mk)

______

b)Which type of mouth parts are possessed by the pests?(1mk)

______

c)State the kind of damage caused by the pests and its effect on crop development (2mks)

______

d)Why is the infestation of the pest regarded as an epidemic?(1mk)

______

  1. The illustration labeled S and T below show some structural methods used in soil and water conservation.

i) Identify the structures S and T.(1mk)

______

ii)State the function of the embankment in diagram S.(1mk)

______

iii)State two ways in which structure T help to control soil erosion(1mk)

______

iv)State four methods of harvesting water on the farms(2mks)

______

SECTION C (40 MARKS)

  1. a) Describe the different methods a farmer can adjust to risks and uncertainties.(7marks)

b) Describe the various processes through which soil can lose fertility(7marks)

c) Outline six effects of wind on agricultural production (6 marks)

  1. a) Describe the effects of solifluction on land potentially in Kenya (10 marks)

b)Outline the importance of agroforestry in soil and water conservation(4 marks)

c) Describe three forms of agroforestry.(6 marks)

23.a) Describe the procedure of silage making. (10 marks)

b) Give four reasons why green manure is not commonly used (4marks)

c) State six advantages of land consolidation. (6marks)

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