HOMESCIENCE PAPER 1 - KCSE 2019 MOCK EXAMINATION - KAKAMEGA

1. State two ways of preventing athletes’ foot. (2 marks)
2. State four precautions to take in order to avoid accidents in the home. (2 marks)
3. Define the term “blanching.” (1 mark)
4. Identify four reasons for missing menstruation apart from pregnancy. (2 marks)
5. Outline six precautions to take when cleaning glass utensils.             (3 marks)
6. Mention four factors to consider when using cosmetics. (2 marks)
7. State four factors to consider when selecting fabric for the school blouse.(2 marks)
8. In what four ways is the environment polluted? (2 marks)
9. Mention three reasons for including vegetables in the diet of the elderly.(3 marks)
10. State four functions of water in the body. (2 marks)
11. State two ways in which ignorance may lead to malnutrition (2 marks)
12. Give two reasons for folding in flour in creamed cake mixtures             (2 marks)
13. Why is it important to have a charcoal jiko burning in a well-ventilated room?
14. State four reasons for using carpets in the house.      (2 marks)
15. Suggest three ways of conserving energy when using a gas cooker.             (3 marks)
16. Identify two functions of openings on a garment.                         (2 marks)
17. State two reasons for covering food while cooking.                         (2 marks)
18. State two factors to consider when setting the table.                                     (2 marks)
19. Outline four principles of food preservation.             (2 marks)
20. State any two pieces of information found on a receipt.            (2 marks)

SECTION B (COMPULSORY)     20 MARKS

21. You are planning to host your sister’s graduation party at home. In preparation for the occasion ;                                                                                  
    1. Outline the procedure you would follow to thoroughly clean the  plastic chairs to be used for the occasion.      (6 marks)
    2. Describe the procedure you would follow when laundering a loose coloured handkerchief.        (8 marks)
    3. Describe the method you would use to clean a varnished wooden table to be used for the occasion.       (6 marks)

SECTION C – 40 MARKS
Answer any TWO questions from this section

22.  
    1. Identify six qualities of aluminium that make it suitable for making kitchen utensils.        (6 marks)
    2. State six characteristics of buffet service. (6 marks)
    3. Outline four disadvantages of re-heating food. (4 marks)
    4. Explain four situations that would require one to wash hands to prevent spread of diseases.       (4 marks)

23.  
    1. Explain four advantages of being able to draft patterns rather than using commercial ones.        (8 marks)
    2. Describe the procedure of working a single pointed dart. (6 marks)
    3. State six characteristics of a good ironing surface.                         (6 marks)    
24.  
    1. Explain any six factors that can affect normal foetal development.     (6marks).
    2. Give any six advantages of person to person advertisement over print media.        (6marks).
    3. Discuss four reasons why the use of charcoal should be minimized.             (8marks)

MARKING SCHEME

1. State two ways of preventing athletes’ foot. (2 marks)
   • Wearing dry socks and shoes
   • Cleaning in between toes thoroughly
   • Drying in between the toes
   • Not sharing shoes and socks

2. State four precautions to take in order to avoid accidents in the home.                (2 marks)
   • Being tidy
   • Not being absent-minded
   • Not doing tasks hastily
   • Avoid carelessness
   • Not using faulty equipment
   • Repairing torn rugs
   • Wiping spills immediately they occur

3. Define the term “blanching.” (1 mark)
   • Dipping of vegetables in boiling water for 10 – 15 minutes.
   • Removing and dipping in cold water for same duration of time

4. Identify four reasons for missing menstruation apart from pregnancy.                                                                                           (2 marks)
   • Change of climate
   • Anxiety /stress
   • Change in diet
   • Some family planning methods interfere with hormones in the body causing hormonal imbalance
   • Menopause

5. Outline six precautions to take when cleaning glass utensils. (3 marks)
   • Buff with a dry lint-less cloth
   • Should not be washed with cold water
   • Should not be dried after washing, allow to drip dry on a rack
   • Should not be stuck in each other
   • Store carefully
   • Protect from knocks and sharp blows
   • Avoid extreme temperatures
   • Glass utensils from the fridge to be placed in a bowl of hot water before putting in an oven
   • Avoid harsh abrasives

6. Mention four factors to consider when using cosmetics. (2 marks)
   • Get advice from experts before use
   • Read and understand instructions before use
   • Avoid using on broken skin
   • Avoid using in case oif skin irritation
   • Use sparingly
   • Wash face before sleeping to allow the skin to breathe
   • Check expiry dates on packages
   • Remove nail polish when it starts flaking.

7. State four factors to consider when selecting fabric for the school blouse.                                                                                                                               (2 marks)
   • Should be strong to withstand frequent washing
   • Should be absorbent
   • Should take in dyes easily
   • Should be crease-resistant
   • Should be moth proof
   • Should be shrink-resistant

8. In what four ways is the environment polluted? (2 marks)
   • Throwing litter around the compound
   • Disposing animal and human waste on the compound
   • Industrial wastes that come from factories
   • Waste water that may be offensive to sight and smelly
   • Open sewage that spills into land
   • Smoke from burning substances
   • Construction / demolition waste

9. Mention three reasons for including vegetables in the diet of the elderly.                                                                                           (3 marks)
   • Provide Vitamin C and traces of Vitamin B
   • Provide mineral salts – leafy vegetables have calcium and iron
   • Give carbohydrates in form of sugar e.g. carrots
   • Provide proteins e.g. cauliflower, Brussels sprouts
     
     
10. State four functions of water in the body. (2 marks)
    • Prevent dehydration
    • Helps in digestion of food and also keeps the digestive system moist
    • Water contains minerals which are responsible for bone and teeth formation
    • Formation of all body fluids
    • Excretion of waste materials from kidneys
    • Maintaining body temperature by perspiration
      
      
11. State two ways in which ignorance may lead to malnutrition (2 marks)
    • Improper preparation and cooking of food
    • Eating the wrong combination of food
    • Depriving the family nutritious foods by selling them and buying less nutritious ones
    • Following food taboos
12. Give two reasons for folding in flour in creamed cake mixtures (2 marks)
    • To avoid losing enclosed air in the mixture
    • To trap more air
13. Why is it important to have a charcoal jiko burning in a well-ventilated room? (2 marks)
    • Incomplete combustion of charcoal produces carbon monoxide gas that combines with haemoglobin to form carboxy-haemoglobin that is poisonous.
14. State four reasons for using carpets in the house. (2 marks)
    • For decoration
    • To add warmth
    • To reduce noise
    • To hide faults
    • To protect the floor
    • For easy maintenance
    • To improve the appearance of floors
15. Suggest three ways of conserving energy when using a gas cooker. (3 marks)
    • Turn on only when required
    • Take good care of the cooker for it to operate efficiently
    • Employ other cheap methods of supplying energy
    • Use the correct sized pots & pans
16. Identify two functions of openings on a garment. (2 marks)
    • To allow easy putting on of the garment and taking off the garment
    • Decorating the garment
    • Introducing a style feature
17. State two reasons for covering food while cooking. (2 marks)
    • To prevent loss of nutrients
    • To quicken cooking hence save on fuel
    • To keep off germs
    • To retain flavor of foods
    • For the food to cook faster
18. State two factors to consider when setting the table.             (2 marks)
    • The number of people eating the meal
    • The number of course in the meal
    • Cutlery and crockery required
19. Outline four principles of food preservation. (2 marks)
    • Application of heat
    • Removal of water
    • Exclusion of oxygen
    • Freezing
    • Adding sugar, salt , acids and chemical preservatives
20. State any two pieces of information found on a receipt. (2 marks)
    • The name and address of the seller
    • The date of the sale and exact description of the goods
    • The quantity of goods
    • The price charged
      

      SECTION B (COMPULSORY)          20 MARKS

21. You are planning to host your sister’s graduation party at home. In preparation for the occasion:
    1. Outline the procedure you would follow to thoroughly clean the plastic chairs to be used for the occasion. (6 marks)
       • Dust the chairs to remove loose dirt
       • Use warm soapy water with a sponge/sisal fibres to remove the dirt
       • Rinse in warm water to remove soap and dirt
       • Finally rinse using cold water to freshen
       • Dry well with a clean dry cloth
       • Dry them under shade to dry completely
       • Store appropriately
    2. Describe the procedure you would follow when laundering a loose coloured handkerchief. (8 marks)
       • Soak in cold salty water to facilitate removal of mucus and blood stains
       • Rinse off the salty water
       • Wash the handkerchief in warm soapy water using kneading and squeezing
       • Rinse in warm water to remove soap and dirt
       • Finally rinse in cold water into which a pinch of salt has been added to fix colour
       • Dry under shade on a clothes line secured with pegs
       • Use a warm iron to press while still damp
       • Air, fold and store appropriately
    3. Describe the method you would use to clean a varnished wooden table to be used for the occasion. (6 marks)
       • Dust with a soft duster to remove loose dirt
       • Clean using a soft, clean cloth wrung out of warm soapy water to remove dirt / clean using a clean cloth wrung out of warm soapy water into which vinegar has been added. For every one litre of water add one tablespoon of vinegar
       • Rinse with a clean cloth wrung out of warm water to remove soap and dirt
       • Finally rinse with a cloth wrung from cold water to freshen the table
       • Dry thoroughly using a soft cloth to rub the surface to make it shine
         
         SECTION C – 40 MARKS
         
22.  
    1. Identify six qualities of aluminium that make it suitable for making kitchen utensils. (6 marks)
       • It is light
       • It has a silvery appearance so attractive
       • It has a low melting point compared with other metals
       • It is a good conductor of heat which makes it ideal for cooking
       • It does not break easily
       • It does not rust
    2. State six characteristics of buffet service. (6 marks)
       • Drinks are served on a separate table
       • Food is placed at a point where service starts
       • Plates/cutlery are placed on the table at a the starting point
       • There are a variety of dishes on offer/choice
       • It is convenient for large groups of people
       • Guests may eat while standing or sitting
       • The food should be easy to eat with or without cutlery
       • Guests move from left to right on the queue
    3. Outline four disadvantages of re-heating food.             (4 marks)
       • Easily gets contaminated / goes bad
       • Loses its flavor / lose taste
       • Loses some of the nutrients
       • Loses its usual colour / turn colour / changes colour
       • Loses its texture / be soft / be har
    4. Explain four situations that would require one to wash hands to prevent spread of diseases.                                     (4 marks)
       • Before eating
       • After visiting the toilet
       • During preparation of food
       • After doing dirty jobs / tasks
23.  
    1. Explain four advantages of being able to draft patterns rather than using commercial ones. (8 marks)
       • Economical – one does not have to buy the commercial patterns which are expensive.
       • Availability – one is able to produce a pattern any time it is required instead of depending on commercial ones which may not be readily available.
       • Fitting – the pattern will be drafted to the right measurements for the figure and therefore garments made would fit the figure well.
       • Self-satisfaction – one would feel the self-satisfaction and pride in drafting one’s own pattern.
       • Money generating – the knowledge of pattern drafting can be used to teach those who don’t have it and charge a fee for the tuition. Variety of pattern drafting can be made to make many garments for sale.
    2. Describe the procedure of working a single point dart. (6 marks)
       • Fold dart along the fold line so that the fitting lines arte matching.
       • Pin and tack from the wider end tapering to a point to hold the two layers of fabric firmly.
       • Remove pins and machine stitch along the tacking line from the wider end tapering to a point.
       • Secure the stitches at the point of the dart
       • Remove the tackings
       • Press to correct direction.
    3. State six characteristics of a good ironing surface. (6 marks)
       • Should have a loose cover
       • Should be clean
       • Should be firm
       • Should be smooth
       • Should be covered with fabric that resists high temperatures
       • Should be colour-fast to avoid staining
       • Should be well-padded
24.  
    1. Factors that can affect normal foetal development
       • Sexually transmitted infection (STIS) e.g. gonorrhoe can be passed from the  
       • mother to child during childbirth especially on the eyes causing blindness
       • HIV /AIDS may cause the baby to suffer from full-blown AIDS and dies before              the fifth Birthday.
       • Alcohol and smoking may cause the baby to be under weight during birth
       • Drugs, even some of the prescribed ones can lead to miscarriage.
       • Trauma can also cause miscarriage
       • German measles may deform the foetus if it occurs during the first three month of  pregnancy
       • Nutrient deficiency may cause the baby to be mentally and physically
         Retarded                                                                                (any 6x1=6mks)
    2. Six advantages of person to person advertisement over print media.
       • Consumers are able to inspect the goods as opposed to just reading.
       • More information is available when they meet promoters.
       • Consumers’ are likely to get free samples.
       • Not all people are able to read
       • One is able to see the efficiency of an item
       •  The promoter is able to get to the level of the consumer.     (any 6x1=6mks)
    3. Discuss four reasons why the use of charcoal should be minimized.        (8mks)
       • Tree cutting for charcoal burning is a threat to the environment as it leads to desertification
       • Charcoal burning causes air pollution – making the air unfit for human consumption
       • When used in a poorly ventilated room, it produces carbon monoxide which can cause death by suffocation
       • Charcoal is not clean in storage and requires bigger storage space
       • If not properly burnt, it produces a lot of smoke that blackens the cooking utensils.