Agriculture Questions and Answers - Form 2 End of Term 3 Exams 2022

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Business Studies Questions and Answers - Form 2 End of Term 3 Exams 2022

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QUESTIONS

State two characteristic of beef cattle (2 marks)
Name two commonly records kept by a farmer (2 marks)
State five activities agriculture entails as an art (5 marks)
List four types of drainage (4marks)
Outline the agricultural practice that pollutes water (3marks)
Name two soil sampling method (2marks)
Name two broad categories of plant nutrients (2marks)
Outline four advantages of using seed as planting materials (4marks)
Given that maize is planted at spacing of (75 X 25) cm, calculate the plant population in a plot of land measuring (4 X 3)cm. (3marks)
State four nursery management practices (4marks)
What are the importance of tissue culture in crop propagation (3marks)
State four factors considered, that influencing crop rotation (4 marks)
What are the characteristics of a good grain store (4marks)
Name four categories of vegetables grown in Kenya. (4 marks)
Study the diagram of a tomato fruit below and answer the question that follows.
1. Identify the pest? (1mark)
2. Name three other pest that attack tomato (3maks)
Why should a farmer keep his/her animals healthy (4marks)
Name four pre-disposing factors of livestock diseases (4marks)
State four effects of parasites on livestock (4marks)
What is the function of water in animals (4marks)
State four factors affecting maintenance ratio required by an animal (4mks)
Define the following terms: (4mks)
1. Gapping
2. Rogueing
3. Seedling bed
4. Nursery bed
Name the four compartments of ruminant stomach starting with the last (4mks)
State two methods employed in ration computation. (2mks)

MARKING SCHEME

State two characteristic of beef cattle (2 marks)
- They are blocky in shape
- They have deep well fleshed bodies
- They grow fast leading to early maturity
- They breed regularly
- They are more tolerant to high temperature
- They are more tolerant to diseases
Name two commonly records kept by a farmer (2 marks)
- Production records
- Inventory records
- Field operation records
- Feeding records
- Health records
- Marketing records
- Breeding records
State five activities agriculture entails as an art (5 marks)
- Tilling of land
- Construction of farm structure
- Measuring distances
- Harvesting of crops
- Feeding and handling animals
- Marketing of agricultural products
List four types of drainage (4marks)
- Open ditches
- Underground drain pipes
- French drains
- Cambered beds
- Pumping
- Planting trees
Outline the agricultural practice that pollute water (3marks)
- Ridging
- Rolling
- Leveling
Name two soil sampling method (2marks)
- Traverse methods
- Zigzag method
Name two broad categories of plant nutrients (2marks)
- Macro-nutrients
- Micro-nutrients
Outline four advantages of using seed as planting materials (4marks)
- Easy to treat against soil borne pest and diseases
- They are not bulky therefore easy storage
- Easy to handle during planting
- Easy to mechanize like seed planter
- Possible to apply manure and fertilizer together with seed during planting
- Possible to develop new plant variety
Given that maize is planted at spacing of (75 X 25) cm, calculate the plant population in a plot of land measuring (4 X 3)cm. (3marks)
- Plant population = area of land
  Spacing of crop
  (4 X 3)100
  75 X 25
  = 64 plants
State four nursery management practices (4marks)
- Mulching
- Watering
- Weed control
- Pricking out
- Shading
- Pest and disease control
- Hardening off
What are the importance of tissue culture in crop propagation (3marks)
- Used to recover and establish pathogen free plan
- Used in the mass production of propagules
- It is fast and requires less space than the cultural methods of using cutting which requires a bigger space.
State four factors considered that influencing crop rotation (4 marks)
- Crop root depth
- Crop nutrient requirements
- Weed control
- Pest and disease control
- Soil fertility
- Soil structure
What are the characteristics of a good grain store (4marks)
- Rat or vermin proof
- Well ventilated
- Easy to load and off load
- Pest- free
- Leak proof well-secured to minimize theft
- Cool conditions to prevent overheating the would crack the grains
Name four categories of vegetables grown in Kenya. (4 marks)
- Leaf vegetables
- Root vegetables
- Fruit vegetables
- Stem vegetables
- Flower vegetables
- Pods vegetables
- Bulb vegetables
Study the diagram of a tomato fruit below and answer the question that follows.
1. Identify the pest?(1mark)
  - American bollworm
2. Name three other pest that attack tomato (3maks)
  - Cutworm
  - Red spider
  - Mite
  - Nematodes
Why should a farmer keep his/her animals healthy (4marks)
- They grow well and fast enough to reach maturity quickly
- Have longer economic and productive life
- Give maximum production or performance
- Produce good quality product that command a high market value
- Will not spread diseases to either animals or human being
- Are economic and easy to keep as less money is spend on diseases treatment
Name four pre-disposing factors of livestock diseases (4marks)
- Species of the animal
- The breed of the animal
- Age of the animal
- Sex of the animal
- Colour of the animal
State four effects of parasites on livestock (4marks)
- Cause anemia
- Deprive the host animal of food
- Injury and damage to tissues and organ
- Disease transmission
- Cause irritation
- Obstruction to internal organs
What is the function of water in animals (4marks)
- Component of body cell and body fluid
- Transportation of nutrients in the body
- Make cells turgid, maintaining the shape of the body
- Used in biochemical reaction
- Regulate body temperature through sweating and evaporation
- Help excretion of waste products from the body.
- Form part of animal product like milk.
State four factors affecting maintenance ratio required by an animal (4marks)
- Body size or weight of the animal
- Age of the animal
- Animal’s activities
- Level of production