Kenya Certificate of Secondary Education
2020 Agriculture Paper 1 Questions
SECTION A (30 marks)
Answer all the questions in this section in the spaces provided.
1. State four pieces of information found in animal health records.(2 marks)
2. State four ways in which organic matter in the soil is important.(2 marks)
3. Name four equipment used for large scale overhead irrigation.(2 marks)
4. State four functions of the Agricultural Society of Kenya (ASK).(2 marks)
5. State four pieces of information found on a delivery note. (2 marks)
6. Name four implements used for primary cultivation.(2 marks)
7. State four factors that influence soil formation.(2 marks)
8. State four reasons for ridging in potato production.(2 marks)
9. Distinguish between each of the following pair of terms as used in crop production:
(a) Thinning and Roguing.(1 mark)
(b) Seedling bed and Nursery bed.(1 mark)
10. Apart from tillage, name four methods farmers use to control weeds.(2 marks)
11. State four causes of crop diseases.(2 marks)
12. State four ways in which a land title deed is important to a farmer.(2 marks)
13. State four agents of soil erosion.(2 marks)
14. State four effects of late defoliation in pasture utilisation.(2 marks)
15. State four agricultural practices that pollute surface water sources.(2 marks)
SECTION B
Answer all the questions in this section.
16. The diagram below shows a bag of Calcium Ammonium Nitrate fertiliser
.
(a) Classify the fertiliser.(1 mark)
(b) Explain the effect of applying the above fertiliser on soil pH.(1 mark)
(c) A farmer is advised to apply 50 kg of nitrogen per hectare.
How many bags of the above fertiliser will this farmer require for one hectare? Show your working.(3 marks)
17. The diagram below shows a nursery practice carried out soon after tree seedlings have emerged.
(a) Identify the practice.(1 mark)
(b) Give two reasons for carrying out the above practice.(2 marks)
(c) State one precaution that should be observed in the practice illustrated in relation to the direction of the sun.(1 mark)
(d) Name the type of nursery bed illustrated.(1 mark)
18. The diagram below shows a soil borne pest that attacks plant roots.
(a) Identify the pest.(1 mark)
(b) State two symptoms of attack by the pest in tomato production.(2 marks)
(c) State two control measures for the pest.(2 marks)
19. The table below shows a farm record for Mwamuzi Farm.
| RECEIPTS | ISSUES | |||||
|---|---|---|---|---|---|---|
| Date | COMMODITY/ITEM | QUANTITY | DATE | ISSUED TO | QUANTITY | BALANCE IN STOCK |
(a) Identify the farm record.(1 mark)
(b) The farm received 20 bags of DAP fertiliser from Milimani Agrovet on 07/07/2018 and another 20 bags on 21/07/2018.
On 28/07/2018, a gardener took eight bags of DAP and used it to plant potatoes on the farm. Enter this information in the farm record illustrated above.(3 marks)
(c) Give one reason for keeping the farm record illustrated above in farm accounting.(1 mark)
SECTION C (40 marks)
Answer any two questions from this section.
20. (a) Describe the risks and uncertainties encountered by sugarcane farmers in Kenya.(7 marks)
(b) Explain three ways in which each of the following reduces tomato production:
(i) inadequate rainfall;(3 marks)
(ii) low temperature;(3 marks)
(iii) strong wind.(3 marks)
(c) Give four reasons why farmers prefer using tillage to control weeds.(4 marks)
21.(a) Describe how maize is planted in the field.(7 marks)
(b) Explain seven factors that determine spacing in bean production.(7 marks)
(c) Give six reasons why tree seedlings should be established using a nursery.(6 marks)
22. (a) Describe how a plucking table is maintained in a tea plantation.(5 marks)
(b) Describe how onion seedlings are transplanted.(7 marks)
(c) Describe eight types of micro-catchments used in water conservation.(8 marks)
