AGRICULTURE PAPER 2 Questions and Answers - Form 3 End Term 1 Exams 2023

Share via Whatsapp

« Previous Topic
BUSINESS PAPER 2 Questions and Answers - Form 3 End Term 1 Exams 2023

Next Topic »
BIOLOGY PAPER 3 Questions and Answers - Form 3 End Term 1 Exams 2023

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

SECTION A (30 marks)

Answer all questions from this section

State any four signs of parturition shown by a cow (2mks)
State the uses of the following tools and equipments (4mks).
1. Secateurs
2. Sickle
3. Bolus gun
4. Strip cup
State four maintenance practices carried out on a wheelbarrow (2mks).
Name the breed of rabbit which is white with one or more of the ears, paws or tail being black (1mk).
State four conditions considered in citing an apiary (2mks)
State four properties of a good vaccine (2mks)
State any four disadvantages of natural mating in livestock production (2mks)
Outline four roles played by proteins in livestock nutrition (2mks)
State any four benefits of steaming up in livestock (2mks)
Name four reasons for castrating male calves (2mks)
Name any four dairy breeds of goats (2mks)
List any four farm structures that are necessary for handling dairy animals (2mks)
Give four reasons why young rams should be docked (2mks)
State two roles of a drone bee (1mk)
Give two advantages of using wood in construction of farm buildings (2mks)

SECTION B (20 MARKS)

Answer all questions from this section

Below is a diagram illustrating a type of a hive
1. Identify the type of hive illustrated above(1mk)
2. Why is it necessary to keep it in a slanting position (1mk?)
3. State one disadvantage of the hive above (1mk)
4. Name any other two types of bee hives ( 1mk)
5. List down four factors causing the swarming of bees (2mks)
6. Name one type of disease affecting bees (2mks)
The diagrams below represent some farm tools and equipment
1. Identify the tools (2mks)
2. State the use of each of the tools labeled C and D (2mks)
3. State one maintenance practice carried out on tool D (1MK)
A ration containing 20% DCP is to be prepared the available maize contains 7% DCP and fish meal 62% DCP. Calculate using Pearson square method, the amount in kgs required to prepare 100 kg of the feed (5mks)
1. Apart from Pearson square method, name any other method that can be used to prepare rations (1mk)
The diagram below shows a certain practice carried on pigs.
1. Identify the practice (1mk)
2. Name the tool used to carry out the practice above (1mk)
3. State any other two methods of identifying piglets (1mk)

SECTION C (40marks)

Answer any two questions from this section

1. Describe six signs of furrowing in a sow (6mks)
2. Explain six benefits of the Kenya Top bar hive ( 6mks)
3. describe 8 factors considered when citing farm structures (8mks)
1. Describe five reasons for maintaining farm tools and equipments (5mks)
2. State five differences between ruminants and non-ruminants (5mks)
3. Describe the various methods of treating timber for construction (10mks)
1. Discuss five human factors influencing agriculture (10mks)
2. Explain any five post harvest practices on cereal crops (10mks)

MARKING SCHEME

SECTION A

State any four signs of parturition shown by a cow (2mks)
- Distended adder which produces colostrums
- Swollen vulva with mucus discharge
- Slackened pelvic girdle
- Visible pin bones
- General restlessness
- Water bags appears and bursts
State the uses of the following tools and equipments (4mks).
1. Secateurs
  Pruning tree crops, harvesting, cutting, planting vegetables materials
2. Sickle
  Cutting back pyrethrum stick, harvesting rice and grasses
3. Bolus gun
  Shooting solid drugs through the mouth
4. Strip cup
  Test milk for mastitis
State four maintenance practices carried out on a wheelbarrow (2mks).
- Lubricate moving parts
- Clean after use
- Store when empty
- Repair any broken part
Name the breed of rabbit which is white with one or more of the ears, paws or tail being black (1mk).
- California white
State four conditions considered in citing an apiary (2mks)
- Availability of flowers
- Availability of water
- well sheltered place
- Free from noise
- Well secured place
State four properties of a good vaccine (2mks)
- Long keeping life
- Easy to administer
- Has no side effects on inoculation
- Compatible with other vaccines
- Single dose for long term immunity
State any four disadvantages of natural mating in livestock production (2mks)
- Uncontrolled breeding
- Expensive to keep a bull
- Transmission of a breeding disease
- Small females may be injured by big bulls
Outline four roles played by proteins in livestock nutrition (2mks)
- Growth, repair of worn-out tissues
- Synthesis of antibodies
- Synthesis of enzymes and hormones
- Synthesis of products
State any four benefits of steaming up in livestock (2mks)
- Provides nutrients for good fetal growth
- Builds up energy for parturition
- Ensures birth of healthy offsprings
- Improves health of the mother
- Maintains high milk yield after birth
Name four reasons for castrating male calves (2mks)
- Makes them docile
- Breeding is controlled
- Breeding diseases is controlled
- Steers fastens faster
Name any four dairy breeds of goats (2mks)
- Agio-nubian
- Toggenburg
- British alpine
- jamna pan
List any four farm structures that are necessary for handling dairy animals
- Crush
- Fence
- Milking shed
- Calf pen
- Cattle shed
Give four reasons why young rams should be docked (2mks)
- even fat distribution
- prevent blow fly infestation
- ease of mating
- minimize folding of wool with faeces
State two roles of a drone bee (1mk)
- Mates with the queen
- regulates temp of the hive by flapping wings
Give two advantages of using wood in construction of farm buildings (2mks)
- -it is cheap
- easily available
- easy to work with

SECTION B (20 MARKS)

Answer all questions from this section

Below is a diagram illustrating a type of a hive
1. Identify the type of hive illustrated above(1mk)
  - -log hive
2. Why is it necessary to keep it in a slanting position (1mk?)
  - To discourage honey badgers climbing on it
3. State one disadvantage of the hive above (1mk)
  - Honey mixes with brood
  - Smaller to accommodate bees
  - Heavy to raise or lower
4. Name any other two types of bee hives ( 1mk)
  - KTBH
  - Langstroth
  - Box
5. List down four factors causing the swarming of bees (2mks)
  - Bad smell
  - Noise
  - Overcrowding
  - Sick/ infertile queen
6. Name one type of disease affecting bees (2mks)
  - Acarive
  - American foul brood disease
The diagrams below represent some farm tools and equipment
1. Identify the tools (2mks)
  - A-stock and die
  - B- Plumb bob and line
2. State the use of each of the tools labeled C and D (2mks)
  - C-chops forage for livestock
  - D-shearing wool from sheep
3. State one maintenance practice carried out on tool D (1MK)
  - -cleaning after use
  - sharpening blades
A ration containing 20% DCP is to be prepared
1. The available maize contains 7% DCP and fish meal 62% DCP. Calculate using Pearson square method, the amount in kgs required to prepare 100 kg of the feed (5mks)
  Maize =42/55 *100=76.4 kg
  Fish meal=13/55 *100=23.6 kg
  Labeled square=2mks
2. Apart from Pearson square method, name any other method that can be used to prepare rations (1mk)
  - -trial and error method
The diagram below shows a certain practice carried on pigs.
1. Identify the practice (1mk)
  ear notching
2. Name the tool used to carry out the practice above (1mk)
  ear notcher
3. State any other two methods of identifying piglets (1mk)
  ear tagging
  ear tattooing

SECTION C (40marks)

Answer any two questions from this section

1. Describe six signs of farrowing in a sow (6mks)
  - restlessness
  - enlarged vulva
  - slacked muscles
  - loss of appetite
  - enlarged udder
  - makes a nest
2. Explain six benefits of the Kenya Top bar hive (6mks)
  - bars can be removed for inspection
  - honey combs can be removed without disturbing the brood
  - high quality honey is achieved
  - more wax is harvested
  - easy to construct and repair
  - cheaper to construct
3. Describe 8 factors considered when citing farm structures (8mks)
  - location should be at central position of the farm
  - all farm structures accessible
  - well drained
  - related structure built close to another
  - farmers tastes and preferences
  - stenchy enterprises to be on leeward side of homestead
  - amenities i.e. water and electricity to be near homestead
  - construct on a gently sloping land

Describe five reasons for maintaining farm tools and equipments (5mks)
- increase durability
- reduce replacement cost
- increase efficiency
- avoid injuries to user
- avoid damage to tools

State five differences between ruminants and non-ruminants (5mks)

Ruminant	non-ruminants
Chew cud	Don’t chew cud
Have four stomach chambers	One stomach chamber
Regurgitate food	Don’t regurgitate
Digest cellulose	Cannot digest
No ptyalin in saliva	Have ptyalin in saliva
Most digestion in rumen	Most digestion in intestines
Alkaline saliva due to ammonia	Ph is neutral

Describe the various methods of treating timber for construction (10mks)
- Drying-seasoning to prevent warping; rotting
- Chemical treatment-against insects
- sap displacement method
- pressure or vacuum treatment
- hot and cold soaking

1. Discuss five human factors influencing agriculture (10mks)
  - level of education and technology
  - health HIV/AIDS
  - economy
  - government policy
  - transport and communication
  - cultural practices and beliefs
  - market forces
2. Explain any five post harvest practices on cereal crops (10mks)
  - threshing
  - drying
  - cleaning
  - sorting and grading
  - processing
  - packaging