Home Science Paper 1 Questions and Answers - KCSE 2021 Westlands Mock Exams

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Questions

Instruction to Candidates

  • Write your name and index number in the spaces provided above
  • This paper consists of three sections A,B and C.
  • Answer all questions in section A and B and any two questions from section C in the spaces provide
  • Candidates should answer the questions in English.

 

  1. List four time and labour saving kitchen equipment. (2mks)
  2. State two signs and symptoms of scurvy. (2mks)
  3. Name four types of fruits which can be preserved using sugar. (2mks)
  4. Mention two ways of conserving vitamins during cooking of vegetables. (2mks)
  5. Distinguish between food spoilage and food poisoning. (2mks)
  6. Outline two ways of preventing the occurrence of athletes foot. (2mks)
  7. Give the meaning of the term post-natal care. (2mks)
  8. Mention two points on prevention and control of roundworms. (2mks)
  9. Write down two dangers of poor sanitation in schools. (2mks)
  10. Give one function for each of the following items found in the first aid kit. (2mks)
    1. Sterilegauze
    2. tweezers
    3. Triangular sling
    4. Cotton wool
    5. Petroleum jelly
  11. Mention two vegetables fibres for making brooms and brushes. (2mks)
  12. Outline four pieces of information found on the packaging of serviettes. (2mks)
  13. Differentiate between bungalows and maisonettes. (2mks)
  14. State two precautions to take when laundering a silk tie. (2mks)
  15. Mention two advantages of breast milk. (2mks)
  16. List four fastenings suitable for a toddler’s garment. (2mks)
  17. Write down two functions of facing in garment construction. (2mks)
  18. State two reasons why a machine- fell seam is suitable in construction of under garments. (2mks)
  19. Give the function of the following needle work tools (2mks)
    1. Bodkin …………………………………………………………………………………………
    2. Stiletto …………………………………………………………………………………………

SECTION B

  1. You are at home over the weekend and asked to assist in through cleaning of the following items:
    1. Launder a white synthetic shirt with a fresh blood stain (6 1/2mks)
    2. Clean an enamel cup that was previously used to serve tea. (5 1/2mks)
    3. Clean and polish white canvas shoes (8 mks)

SECTION C
Answer any two questions from this section in the spaces provided

  1.     
    1. Explain four factors to consider when buying fabric for making an apron, (8 mks)
    2. Explain four control measures to take to avoid contracting Covid-19 disease. (4 mks)
    3. Explain five reasons for sufficient ventilation in a room. (5 mks)
    4. Outline three areas where the following body measurements are taken from (3 mks)
      1. Bust
      2. Waist
      3. Back length
  2.    
    1. Explain four preparations to make before baby’s arrival. (8 mks)
    2. Explain three factors that have led to growing demand of convenience foods. (6 mks)
    3. Explain three considerations to make when choosing a method of lighting for a house. (6mks)
  3.    
    1. Explain four points to consider when selecting furniture for a sitting room. (8 mks)
    2. State four points on the importance of immunization. (4 mks)
    3. Explain four factors to consider when setting a table. (8 mks)

Marking Scheme

  1.    
    • Food mixers          Sterilizing sinks
    • Food mincers        Microwave
    • Potato peelers       Blender
    • Deep fat fryers       Sandwich maker
    • Dishwashers          Meat mincer
    • Liquidisers             Toaster
    • Food slicers           Air fryer
    • Potato chippers      Food warmers
  2.        
    • Weak blood capillaries which break easily
    • Bleeding gums
    • Anaemia
    • Unhealthy skin
    • Wounds that take long to heal
    • General weakness of the body

  3.    
    • Pineapples        Apples        Plums
    • Pears             Mangoes       Guavas
    • Grapes           Tangerine      Passion fruit
  4.      
    • Cook quickly/do not overcook
    • Cook just before serving
    • Cover the food when cooking
    • Cook in a little amount of water
  5.    
    • Food spillage is deterioration of food resulting in the food becoming unfit for human consumption.
    • Food poisoning is the illness resulting from consuming contaminated food.
  6.    
    • Keep feet clean and dry especially between toes
    • Wash feet with disinfectant and apply talcum powder
    • Avoid wearing wet shoes and socks
    • Avoid sharing shoes and socks
    • Treat with anti-fungal gels
  7. Care given to the mother and the baby after birth at the clinic.
  8.         
    • Thorough washing of fruits and vegetables before use
    • Proper disposal of human feaces
    • Proper hygiene practices such as washing hands
    • Deworming
  9.  
    • Encourages the breeding of disease-causing organisms
    • Contamination of water/food leads to spread of communicable diseases
    • It results in an unsightly environment
  10.  
    •  Surgical tweezers- to pull/pluck out foreign objects
    • Triangular sling- to support a limb/fracture
    • Cotton wool- to clean a wound/apply antiseptic
    • Petroleum jelly- to apply on small burns/to relieve pain
  11.   
    •  Bass         Sisal
    • Bassive   Coconut palm
  12.   
    • The address/place of manufacture
    • The brand names
    • The number of pieces
    • The KEBS mark sign.
  13. Mansionettes are houses with some rooms on the ground floor and others on the upper floor whereas bungalows have all the rooms on the same floor.
  14.   
    • Do not use friction method
    • Do not wring/twist
    • Do not dampen before ironing
    • Do not soak
  15.  
    •  Always at the right temperature
    • Contains all nutrients needed by the baby in the right proportion.
    • Clean and free from contamination
    • Available all the time doesn’t need to be purchased
  16.  
    • Buttons Buttonhole
    • Hooks and eyes
    • Zips
    • Loops with cords
    • Ties
    • Press studs
    • Velcro tape
  17.  
    • To neaten the raw edge
    • To decorate the garment
    • To provide enough thickness for attaching fasteners
    • To shape and give body where applied
  18.  
    •  Its strong
    • Its flat
  19.  
    • Stiletto- used for making holes and eyelets
    • Bodkin – used for threading elastic cords
  20.  
    1.      
      • Collect all equipment and materials needed to save on time
      • Shake to remove loose dirt
      • Soak in cold salty water for a while/duration of time until the stain is removed
      • Rinse out of the soaking water
      • Wash in warm soapy water using kneading and squeezing method
      • First rinse in warm water to remove soap and dirt
      • Final rinse in cold water into which fabric conditioner has been added
      • Drip dry on the clothes line under the shade secure with pegs
      • Press using a warm iron on the WS/a pressing cloth
      • Air fold and store
      • Clear working area and store equipment.
    2.     
      • brush off the dust if they are dusty. Scrape off the mud if they are muddy. Rinse the sole with cold water.
      • Unfasten the shoelaces and wash them separately in warm soapy water. Rinse and dry them on a cloth line
      • Use cold soapy water and a scrubbing brush to scrub the inside to the outside and the sole. Change the soapy water if necessary.
      • Rinse the shoes in warm water until all the soap has been removed.
      • Hold the toe ends and flick of the shoes to remove as much water as possible. It facilitates speedy drying.
      • Use a sponge or a piece of cloth to apply whiteness to white canvas shoes. It enhances their whiteness
      • Dry them in a warm place slightly inclined so that toe ends than the heels. After sometime turn them to ensure that all parts are dry now they an be dried on their soles.
      • When shoes are completely dry, fasten the shoelaces and store.
    3.   
      • Rinse out the soaking water
      • Wash in warm soapy water using sponge inside and outside
      • Rinse thoroughly in warm water
      • Final rinse in cold water
      • Dry using a clean dry dish cloth inside and outside
      • Store appropriately
      • Clear the working area and store equipment
  21.         
    1.          
      • Should be strong to withstand frequent washing to last long
      • Should be absorbent for comfort in wear
      • Should withstand high temperature when ironing to sterilize through boiling
      • Should be light in weight for comfort in wear
      • Should withstand mild alkali or washing detergent or stain removers during washing.
      • Should be colour fast to prevent fading
    2.  
      • wearing masks
      • covering your mouth when sneezing
      • maintain social distance
      • washing your hands frequently using plenty of soap and water
      • sanitizing your hands
    3.    
      • to prevent humidity which describes the high concentration of moisture in the air
      • to get rid of surplus heat that makes the atmosphere uncomfortable
      • to increase the free circulation of air thus reducing the spread of airborne diseases
      • to remove any odor which develop when people crowd together
      • to get rid of air pollutants in a room
    4.  
      • bust- ta ken around the fullest part of the bust add 2.5cm to 3.5cm for ease
      • waist- taken around natural waist line put 2 fingers between the tape measure and the body
      • chest width – taken across the widest part of the chest
      • back length- taken from the nape to the waist line
  22.              
    1.        
      • nutritional needs- she should eat a well-balanced diet with increase in extra ions calcium proteins and calories
      • psychological needs – be well prepared to receive the baby regardless of the sex
      • physical needs – be physically fit by having proper diet and enough exercise
      • material and financial preparation- be well prepared with the basic baby arrival needed items to prevent rush in buying of this item
    2.  
      • lack of time
      • increased consumers purchasing power
      • increased consumer awareness
      • increased modern technology
      • increased availability of variety of brands
      • improved transportation
      • increased change of life style
        (Reason with the student)
    3.  
      • size of the room- smaller rooms need to have brighter colours and natural lighting compared to bigger rooms
      • purpose of the room- livings/kitchen need to have bright colours bedroom and sanitation areas dull colours
      • colour scheme of the walls and furnishings- fluorescent lamps give a light that tends to emphasis cool colours while filament lamps pick warm colours
  23.             
    1.       
      • vaccines give protection against dangerous diseases which are likely to occur during childhood.
      • Immunization saves money that would have been spent on medical services
      • It prevents emotional, physical and mental agony and disability.
      • Immunization eradicates diseases.
      • Immunization helps the nation to have healthy citizens

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