Agriculture Questions and Answers - Form 1 End Term 3 Exams 2021

Share via Whatsapp

« Previous Topic
Business Studies Questions and Answers - Form 1 End Term 3 Exams 2021

Download PDF for future reference Get on Whatsapp for 50/-

INSTRUCTIONS.

Answer all the questions in the spaces provided.

QUESTIONS

Give four reasons for ridging in potato production. (2mks)
List four activities carried out in secondary cultivation. (2mks)
Name two methods of water collection in the farm. (1mk)
State any six art activities in agriculture. (3mks)
List four advantages of mixed farming. (4mks)
List four characteristics of a crop grown for green manure. (4mks)
What is organic farming? (1mk)
State four characteristics of large scale farming system. (4mks)
Mention the importance of agriculture in Kenya’s economy. (4mks)
State four human factors that affect agriculture. (4mks)
State four methods of drainage. (2mks)
State two reasons why nomads move with their livestock from place to place. (1mk)
State four problems associated with shifting cultivation. (2mks)
State four characteristics of clay soil. (2mks)
What is agro forestry? (1mk)
Why is it important to prepare land before planting? (4mks)
Name four types of water pumps. (2mks)
What is pollution? (1mk)
State six characteristics of a fertile soil. (3mks)
State six ways in which soil loses fertility. (3mks)
Examine the farm tools drawn below and then answer the questions that follow.
1. Identify the tools. (2mks)
2. State the uses of the tools (ii) and (iv). (2mks)
3. State four maintenance practices carried out on tool. (2mks)
Name four types if tools used in smoothing wood. (2mks)
Differentiate between a drenching gun and a bolus gun. (2mks)
State four reasons why it is important to maintain farm tools and equipment. (4mks)
What is the functional difference between a cold chisel and a wood chisel? (2mks)
The following is an illustration of a compost heap.
1. Label parts A, B, C and D (2mks)
2. What is the use of each of the part labeled? (1mk)
3. Give two reasons why is compost manure not commonly used in the farms. (1mk)

MARKING SCHEME

Give four reasons for ridging in potato production. (2mks)
- Facilitate tuber expansion
- For easier harvesting
- Conserve moisture
- Conserve soil
List four activities carried out in secondary cultivation. (2mks)
- Breaking of soil clods
- Mixing/incorporation of organic matter with the soil.
- Leveling the seed bed
- Removal of trash
- Control of weeds growing after primary cultivation.
Name two methods of water collection in the farm. (1mk)
- Dams/weirs
- Tanks/containers.
State any six art activities in agriculture. (3mks)
- Tilling of the land
- Construction of farm structures
- Measuring distances
- Machine operations
- Harvesting of crops
- Feeding and handling animals
- Marketing of agricultural produce.
List four advantages of mixed farming. (4mks)
- Mutual benefits between plants and animals.
- Provides insurance against total failure
- Economic use of labour in the farm.
- Continuous flow of cash for a commercial farmer from both enterprises.
- Land and labour are used well since when land is bare animals can be grazed on it.
- Animals can be used to work on the farm.
List four characteristics of a crop grown for green manure. (4mks)
- Highly vegetative / leafy
- Fast growth rate
- Leguminous / highly proteinous
- Easily decompost
- Hardy decompost
- Hardy/survive under difficult conditions.
What is organic farming? (1mk)
- The growing of crops and rearing of livestock without the use of industrial chemicals.
State four characteristics of large scale farming system. (4mks)
- Requires large tracts of land.
- Requires high capital investment
- Mechanization is common
- Skilled labour is used
- Processing of the product in the farm
- Provides more employment
Mention the importance of agriculture in Kenya’s economy. (4mks)
- Provides food
- Provides employment
- Provides raw materials for industries
- Provided market for industrial goods.
- Income generation
- Provides foreign exchange.
State four human factors that affect agriculture. (4mks)
- Level of technology and education
- Transport and communication
- Economy/ reberilization of economy
- Cultural and religious believes
- Health and HIV/AIDS
- Market forces
- Government policy
State four methods of drainage. (2mks)
- Open ditches
- Underground drain pipes
- French drains
- Cambered beds
- Pumping
- Plantings trees
State two reasons why nomads move with their livestock from place to place. (1mk)
- In search of better pastures
- In search of water
State four problems associated with shifting cultivation. (2mks)
- Wasteful method of cultivation.
- Slow rate of regeneration of vegetation of vegetation allowing soil erosion to take place.
- Low production from the land
- A lot of time wasted in movement
- No incentive to develop land
- Possible only with annual crops
State four characteristics of clay soil. (2mks)
- Poorly aerated/fine textured
- Poorly drained/high water holding capacity
- Cracks when dry and sticky when wet.
- Have high capillarity
- High nutrient holding capacity/ not easily reached.
What is agro forestry? (1mk)
- Is a form of land use which combines tree growing, pastures and food crops/ growing of trees and crops keeping of animals on the same piece of land.
Why is it important to prepare land before planting? (4mks)
- To kill weeds
- To incorporate manure and other organic matter into the soil.
- To destroy pests and other disease causing organisms.
- To aerate the soil
- To encourage the penetration of plant roots in the soil.
- To make subsequent operations easier.
Name four types of water pumps. (2mks)
- Centrifugal / rotar dynamic pumps
- Piston / reciprocating pumps
- Semi-rotary pumps
- Hydrum
What is pollution? (1mk)
- Is any process which leads to harmful increase in amount of chemical substances released into the environment by human activites.
State six characteristics of a fertile soil. (3mks)
- Good depth
- Proper drainage
- Good water holding capacity
- Adequate nutrient supply
- Correct soil pH
- Free from excessive infestation of soil bone pests and diseases.
State six ways in which soil loses fertility. (3mks)
- Leaching
- Soil erosion
- Change in soil pH
- Burning of vegetation cover
- Monocropping
- Continuous cropping
- Accumulation of salts.
Examine the farm tools drawn below and then answer the questions that follow.
1. Identify the tools. (2mks)
  1. Pruning saw
  2. Secateurs
  3. Tenon saw/back saw
  4. Garden trowel
2. State the uses of the tools (ii) and (iv). (2mks)
  ii. Prunning soft branches e.g. coffee trees
  iv. Lifting seedling from the nursery
3. State four maintenance practices carried out on tool. (2mks)
  - Sharpening the teeth
  - Setting the teeth
  - Repair/replace handle if broken
  - Apply oil on the saw blade
  - Store in cabinet/cool dry condition
  - Clean after use.
Name four types if tools used in smoothing wood. (2mks)
- Planes
- Scrappers
- Wood files
- Wood rasps
- Sand papers
- Routes
Differentiate between a drenching gun and a bolus gun. (2mks)
- Drenching gun is used for administering liquid drugs through the mouth of an animal while a bolus gun is used for shooting solid drugs through the mouth of an animal.
State four reasons why it is important to maintain farm tools and equipment. (4mks)
- Make them durable
- Reduce replacement cost
- To avoid injuries
- Increase efficiency of doing work
- To avoid damage to the tool.
What is the functional difference between a cold chisel and a wood chisel? (2mks)
- Wood chisel is used to remove unwanted wood while cold chisel is used to shape stones, cut thick sheet metal.
The following is an illustration of a compost heap.
1. Label parts A, B, C and D (2mks)
  - A – Stones / maize stalks
  - B – Green vegetation
  - C – Manure
  - D – Wood ash
2. What is the use of each of the part labeled? (1mk)
  - A -It helps in aeration of the heap.
  - B -Provide moisture for compost making
  - C – Supply nutrients to micro-organism.
  - D – Improves level of phosphorous and potassium in the resulting manure.
3. Give two reasons why is compost manure not commonly used in the farms. (1mk)
  - Lack of technical knowledge to prepare.
  - Scarcity of organic materials
  - Laborious/ tedious to prepare
  - Bulky to transport
  - It takes along time to prepare.