Home Science Paper 1 Questions and Answers - Kijiset Revision Mock Exams 2022

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Questions

INSTRUCTIONS TO CANDIDATES:

  • Answer all questions in section A and B.
  • Answer any two questions in section C.

SECTION A (40MKS)
Answer all questions in this section.

  1. State how studying home science benefits the nation. (1mk)
  2. Give four conditions favourable for thriving of micro-organisms in food contamination. (2mks)
  3. Identify the categories in which each of the following small kitchen equipment belongs. (2mks)
    1. Grater 
    2. Meat tenderizer
    3. Fish slice 
    4. Colander 
  4. Give two ways of preventing skin infections. (2mks)
  5. State two classes of textile fibres. (2mks)
  6. Give two disadvantages of living in a maisonette. 2mks)
  7. List four factors that influence the frequency of cleaning a house. (2mks)
  8. Mention two properties that limit the use of nylon in making lingeries. (2mks)
  9. State two factors to consider when choosing cutting out shears. (2mks)
  10. Name two types of vacuum cleaners. (2mks)
  11. Identify four methods of steaming food. (2mks)
  12. Define the following terms: (2mks)
    1. Environmental hygiene
    2. Drainage
  13. Identify two laundry processes that are carried out before washing clothes. (2mks)
  14. State the use of the following in drainage:
    1. U bend
    2. Water seal.
  15. Give two qualities of a good clothes line. (2mks)
  16. State one function of each of the following parts of a sewing machine: (3mks)
    1. Tension disc
    2. Thread-take up lever
    3. Stitch length regulator
  17. Give reasons for using each of the following laundry agents: (3mk)
    1. Starch
    2. Fabric conditioner
    3. Salt
  18. Categorize the following stitches into their respective groups: (3mks)
    1. Loop stitch __________________________________________________________________
    2. Oversewing stitch _____________________________________________________________
    3. Faggoting ___________________________________________________________________
  19. Give the names of the following vitamins: (2mks)
    1. Vitamin A __________________________________
    2. Vitamin B1 __________________________________
    3. Vitamin B2 __________________________________
    4. Vitamin C __________________________________

SECTION B (20MKS)
(Compulsory)

  1. Your brother is celebrating his birthday and has requested you to assist in cleaning.
    1. Outline the procedure you will use to launder his loose coloured cotton t-shirt. (8mks)
    2. Give the procedure of cleaning am oil painted wall (8mks)
    3. Explain how to clean a plain wooden chopping board. (4mks)

SECTION C (40MKS)
Answer any two questions in this section

  1.     
    1. Highlight five physiological changes in the elderly which affect their diet. (5mks)
    2. Discuss five reasons for using soft furnishing in the home. (5mks)
    3. Explain the first aid you will give to a patient who is nose bleeding at home. (5mks)
    4. Highlight the importance of budgeting for family income. (5mks)
  2.      
    1. Explain four causes of malnutrition in the community. (8mks)
    2. Discuss three problems related to breastfeeding. (6mks)
    3. State and explain three types of advertisement. (6mks)
  3.   
    1. Outline four reasons for sufficient ventilation in a room. (4mks)
    2. Explain four principles of food preservation. (8mks)
    3. Arrange the following steps in the correct order as used in making yeast mixtures: (4mks)
      Second kneading, Fermentation, proving, shaping, raising, first kneading, mixing, baking
    4. Highlight four ways of meeting nutritional needs of the sick at home. (4mks)

Marking Scheme

  1. How home science benefits the nation 1x1
    • The individual renders services to the nation
    • The individual acts as a role model in his/her career
  2. Conditions favourable for thriving of micro-organisms 2x1
    • Warmth
    • Moisture
    • Darkness
    • Dirt
  3. Categories in which the small kitchen equipment belong 4x1
    • Grater – cutting tools
    • Meat tenderizer – shaping and moulding tools
    • Fish slice – lifting and turning tools
    • Colander – separating tools
  4. Ways of preventing skin infections
    • Avoid sharing personal items
    • Occasionally sterilize combs
    • Eat nutritious foods
  5. Classes of textile fibres 2x1
    • Natural
    • Artificial
  6. Disadvantages of living in maisonettes 2x1
    • Pests can easily crawl from one house to another
    • Fire can easily spread from neighbouring houses
    • They are not easy to extend
    • They do not provide adequate privacy
  7. Factors that influence the frequency of cleaning a house. 4x½
    • Season of the year
    • Nature of occupants
    • Location of the house
    • Size of the house
    • Time available for cleaning
  8. Properties that limit the use of nylon in making lingeries
    • It generates static electricity
    • It is not absorbent
    • It clings on the body
  9. Factors to consider when choosing cutting out shears 2x1
    • Should be made of rustles metal
    • Firmly hinged
    • Sharp
    • Comfortable handle
  10. Types of vacuum cleaners 2x1
    • Upright suction cleaners
    • Cylindrical suction cleaners
    • Round suction cleaners
  11. Methods of steaming food 4x1
    • Plate method
    • Bowl steaming method
    • Using a steamer
    • Using a colander
  12.   
    • Environmental hygiene 1x1
      • Keeping and maintaining high standards of cleanliness around our environment
    • Drainage 1x1
      • A system of directing waste water away from a house or building
  13. Laundry processes carried out before washing clothes 2x1
    • Repairing
    • Sorting out
    • Soaking
  14.  
    1. U bend 1x1
      • Keeps clean water which prevents bad smells.
    2. Water seal 1x1
      • Keeps off bad odours from the drains
  15. Qualities of a good clothes line 2x1
    • Should be smooth
    • Should not rust
    • Should be strong and firm the
    • The material should be resistant to all weather conditions
  16.   
    • Tension disc – controls the tightness of the thread during sewing 3x1
    • Thread – lake up lever – controls the movement of the thread
    • Stitch length regulator – adjusts the length of stitches
  17.   
    • Starch – to stiffen cottons and linens
    • Fabric conditioner – to get rid of static electricity
    • Salt – to dissolve mucus
    • To remove blood and ink stains
    • To fix dyes
  18.  
    • Loop stitch – neatening raw edges 3x1
    • Oversewing – joint
    • Faggoting – Decorative
  19.  
    • Vitamin A – Retinol
    • Vitamin B1 – Thiamin
    • Vitamin B2 – Riboflavin
    • Vitamin C – Ascorbic Acid
  20.  
    1. Procedure of laundering a loose coloured cotton T – shirt 8x1
      • Mend if necessary
      • Wash in warm detergent water using kneading and squeezing method
      • Rinse in warm water to remove soap and dirt
      • Finally rinse in cold water into which salt has been added to fix colour
      • Lemon or vinegar may be added to the final rinsing water to brighten the colour
      • Extract as much excess water as possible and dry under the shade to prevent fading of colour
      • Iron on the wrong side while still damp with a moderately hot iron to remove creases
      • Air well to ensure the article is completely dry then fold and store appropriately
    2. Cleaning an oil painted wall 8x1
      • Collect the cleaning equipment and materials. Remove wall hangings
      • High 0 dust the wall then low-dust to remove loose dirt
      • Use warm clean water starting from the top coming downwards to remove soap and dirt
      • Repeat cleaning and rinsing overlapping the sections until the entire wall is cleaned
      • Wipe the skirting board using warm soapy water, rinse and dry with a clean dry cloth
      • Clean all the equipment and store appropriately
    3.  
      • Cleaning a plain wooden chopping board 4x1
      • Use warm soapy water and a scouring pad to scrub the surface
      • Rinse in warm water
      • Finally rinse in cold water
      • Wipe then leave in a warm airy place to dry completely. Store appropriately.
  21.   
    1. Physiological changes in the elderly which affect their diet. 5x1
      • Decreased rate of absorption
      • Loss of teeth
      • A low rate of metabolism
      • Reduced sense of smell and taste
      • Reduced physical activity
    2. Reasons for using soft furnishing in the home 5x1
      • For privacy
      • For comfort
      • For lifting excess light
      • For warmth and reduction of noise
      • For decoration
      • For easy maintenance
    3. Importance of budgeting 5x1
      • Acts as a guide to wise purchasing
      • Enables one to give priority to essential items
      • Enables a family to live within their means
      • Provides an organized method of accumulating family savings
      • Gives psychological satisfaction to the family members
      • Enables a family to set priorities on their present and future needs
  22.     
    1. Causes of malnutrition 4x2
      • Poverty – people who lack resources to obtain adequate food supplies end up suffering from various nutritional deficiency diseases
      • Food taboos – superstitions and religious beliefs may lead to prohibition of eating certain food;
      • Parasites – these reduce the amount of nutrients available to the body
      • Igonorance – lack of information on healthy foods may lead to consumption of less nutritious foods
      • The body’s inability to utilize certain nutrients
      • Lifestyle – change in lifestyle may lead to increased leading to diseases like hypertension and diabetes.
    2. Problems related to breastfeeding 3x2
      • Sore nipples – skin around the nipples cracks and becomes painful
      • Breast engorgement – breasts become too full of milk and painful
      • Mother’s inability to breastfeed
      • Mother’s refusal to breastfeed
      • Breastfeeding and HIV and AIDS
    3. Types of advertisement 3x2
      • Information
      • Seeks to inform the consumer about products available in the market
      • Persuasive – persuades a consumer to believe that a certain product is better than another of a similar brand
      • Competitive – one product is promoted against a similar one of a different brand
  23.  
    1. Reasons for sufficient ventilation in a room (4x1)
      • To get rid of surplus heat from people and machinery
      • To reduce concentration of bacteria and viruses in the air
      • To get rid pollutants in a rooms
      • To remove bad odours
    2. Principles of good preservation 4x2
      • freezing
      • Exclusion of air
      • Removal of water
      • Use of sugar, salt and chemical preservatives
    3.  
      • Fermentation
      • Mixing
      • First kneading
      • Raising/first proving
      • Second kneading
      • Shaping
      • Proving
      • Baking
    4. Ways of meeting nutritional needs of the sick 4x1
      • Providing a balanced died
      • Giving plenty of fluids
      • Giving foods that are easy to chew
      • Giving foods that are easy to digest e.g. boiled and steamed foods

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