Homescience Paper 1 Questions and Answers - Meru Central Cluster Exam 2020

Instructions to candidates

1. Write your name and index number in the spaces provided above.
2. Sign and write the date of examination in the spaces provided above.
3. This paper consists of three section; A, B and C.
4. Answer all the questions in sections A and B and any two questions from section C in the spaces provided.
5. This paper consists of 8 printed pages.
6. Candidates should check the question paper to ascertain that all the pages are printed as indicated and that no questions are missing.
7. Candidates should answer the questions in English.

FOR EXAMINERS USE ONLY

QUESTIONS

SECTION A (40 MARKS)
Answer all questions in the spaces provided

1. State two uses of lemon in cooking (2 marks)
2. Name two textile fibres of animal origin (1 mark)
3. Distinguish between a scald from a burn (2 marks)
4. State three factors to consider when choosing sleeves for a garment (3 marks)
5. Give two reasons for blanching vegetables (2 marks)
6. List four items in a first aid kit that may be used to manage a sprain (2 marks)
7. Name two vaccines a child is given at the age of nine months (2 marks)
8. Give two uses of a loose cover on upholstery (2 marks)
9. Give the meaning of the following terms in relation to colour:
   1. Hue ……………………………………………………………………(1 mark)
   2. Intensity …………………………………………………………… (1 mark)
   3. Value ………………………………………………………………… (1 mark)
10. State two factors that may affect a budget (2 marks)
11. Differentiate between batters and dough in flour mixtures ( 2 marks)
12. State two positive effects of advertisement on the consumers. (2 marks)
13. List four methods on neatening seams. (2 marks)
14. What is food fortification? (2 marks)
15. Give two reasons for using common salt when laundering handkerchief (2 marks)
16. List two types of play in child development (2 marks)
17. Give two reasons for using facings on a garment (2 marks)
18. Name four methods of steaming foods. (2 marks)
19. Give one reason for carrying out the following processes during cleaning: ( 2marks)
    1. Cleaning the window from outside then to the inside
    2. Closing the windows and the doors while sweeping
20. Suggest two ways in which old newspapers may be used during the cleaning of a house (2 marks)

SECTION B COMPULSORY (20 MARKS)

21. You are taking care of your uncle who is recovering from covid-19 infection;
    1. Explain how you would clean the cemented floor of his bedroom (9 marks)
    2. Describe how to wash and dry his woolen socks (6 marks)
    3. Sponge and press your Uncle’s polyester tie (5 marks) 

SECTION C
ANSWER ANY TWO QUESTIONS (40 MARKS)                      

22.                            
    1. Explain four factors to consider when weaning a baby (8 marks)
    2. State four symptoms of roundworm infestation (4 marks)
    3. Give four factors to consider when buying a sewing machine (4 marks)
    4. Mention four qualities of a well constructed handmade button hole (4 marks)
23.                              
    1. Giving a reason, identify four processes/methods that are not suitable when laundering loose coloured clothes (8 marks)
    2. Explain four hygienic practices to observe during food storage (8 marks)
    3. Suggest four factors that determine the repair method to be used on household articles (4 marks)
24.                                      
    1. Mention any five advantages of using left over food (5 marks)
    2. State five duties of weights and measures inspectors (5 marks)
    3. Suggest five reasons for caring for the sick at home (5 marks)
    4. Highlight five advantages of lining a bedroom curtains (5 marks)

Marking Scheme

1. Uses of lemon in cooking

• Retain colour of food/to avoid discolouration
• Improves nutritive value
• Improves flavor/taste of food
• Used as a garnish 2 x 1 = 2 marks

2. Textile fibres of animal origin

• Wool
• Silk
• Goats hair 2 x ½ =1 mark

3. Difference between a scald and a burn

• Scald is an injury caused by moist heat/hot liquids while burn is an injury caused by dry heat/flame/hot charcoal/hot solid 1 mark

4. Factors to consider when choosing sleeves for a garment

• Style of garment
• Type of fabric
• Wearer of the garment
• Use of the garment 3 x 1 =3 marks

5. Define ventilation

• Process of introducing and circulating(1mark) fresh air into a room/house or building so as to eliminate undesirable gases and provide comfort (1mark) 2 marks

6. Items in a first aid kit that may be used to manage a sprain

• Bandages
• Razor blade/pair of scissors
• Clip/safety pins/adhesive tape
• Ointment
• Pain killers 4 x ½ =2 marks

7. Vaccine a child is given at 9 months

• Measles vaccine
• Yellow fever vaccine
• Vitamin a capsule supplement 2 x 1 =2 marks

8. Uses of loose covers on upholstery

• Protect expensive upholstery from damage and dirt
• They are easy and cheaper to maintain (launder) than upholstery
• Improve appearance/cover ugly upholstery 2 x 1 =2 marks

9. Meaning of the following terms in relation to colour

1. Hue – name of a colour e.g yellow green 1 mark
2. Intensity – quality of brightness or dullness of a colour 1 mark
3. Value – lightness or darkness of a colour 1 mark

10. Two factors that may affect a budget

• Loss of income/increase in income
• Change in personal/family goals
• Lack in commitment in following the budget
• inflation 2 x 1 =2 marks

11. Difference between batters and dough in flour mixtures

• Batters are of flowing consistency
• Dough are stiff or dropping consistency 1 mark

12. Two positive effects of advertisement on the consumers

• Consumers have a wide of goods to choose from
• Informative
• Entertaining
• Increase demand for advertised products
• Increase competition leading to production of high quality goods 2 x 1 =2 marks

13. Methods of neatening seams

• Overcasting
• Machining and overcasting
• Edge stitching
• Loop stitching
• Binding
• Machine zigzag/overlock
• pinking 4 X 1 =2 marks

14. What is food fortification?

• Introduction/addition of a food nutrient into a given food 1 mark

15. Reasons for using common salt when laundering handkerchief

• To dissolve mucus
• To disinfect
• To remove any blood stains
• To fix colour
• Remove ink stains 2 x 1 =2 marks

16. Types of play in child development

• Physical play
• Manipulative play
• Creative play
• Imaginative play 2 x 1 =2 marks

17. Reasons for using facings on a garment

• To neaten raw edges
• To decorate garment
• To provide thickness for attaching fatteners
• To shape and give body where applied 2 x 1 =2 marks

18. Methods of steaming foods

• Plate method
• Bowl steaming
• Using steamer
• Using colander 2 x 1 =2 marks

19. 

1. Cleaning the window from outside to the inside
   • Dirt can clearly be seen from the inside of the house
2. Closing window and door while sweeping
   • To avoid dust being blown by the wind to already swept area 2 marks

20. Ways in which old newspapers are used during the cleaning of a house

• Lining the shelves in the kitchen store or dust bin
• Wrapping dirt after weeping
• Cleaning the windows when using paraffin
• Protecting working surfaces when cleaning 2 x 1 =marks

21.

1. Cleaning a cemented floor
   • Collect equipment and materials required ½
   • Wear mask and gloves ½
   • Remove light furniture ½
   • Sweep the floor ½ to remove loose dirt ½
   • Open windows and doors to ventilate the room ½
   • Scrub ½ the floor using a hard scrubbing brush ½ and warm soapy ½ water. Use circular motion ½ overlapping ½ parts to ensure all parts are cleaned
   • Wipe with a clean cloth/mop ½ wrung out of warm ½ water overlapping sections and working towards the door ½
   • Dry thoroughly ½ with a floor cloth/dry ½ mop re-arrange furniture ½
   • Clean equipment used and store appropriately ½ 9marks
2. To wash and dry woolen socks
   • Mend if necessary and wear gloves ½
   • Take measurements and record
   • Wash in warm ½ water with mild detergent ½ which has disinfectant ½ using kneading and squeezing method ½
   • Rinse thoroughly ½ in warm water ½
   • Squeeze ½ as much water as possible then roll ½ on a towel to remove excess moisture
   • Dry flat ½ under the shade ½
   • Take 2nd measurement and compare with the first 6 marks
3. Sponging a tie
   • Wear a mask and gloves ½
   • Shake to remove loose dirt ½
   • Spread on a clean surface ½
   • Dip the folded cloth/sponge ½ in the prepared solution/dry cleaning solution squeeze ½ excess solution
   • Clean small sections at a time ½ starting from W.S then ½ R.S
   • Rinse each ½ portion appropriately
   • Press with ½ warm iron
   • Air ½ fold and store ½ appropriately
   • Clean the working area  5 marks

22. 

1. Factors to consider when weaning a baby
   • Introduce new foods gradually; one type of food a time
   • Start with small amounts with a spoon and increase gradually depending on baby’s reaction
   • Do not force the baby to eat food he/she dislikes
   • Feed from a cup using a spoon
   • Ensure all feeding utensils are thoroughly sterilized by boiling
   • First food should be very soft and become less soft as the baby grows
   • Once new food is accepted, give it fairly frequently to make it familiar
   • Give food after breast feeding
   • Ensure that milk continues to be an important part of the diet
   • Prepare food in hygienic environment to ensure it does not get contaminated with harmful microbes
   • Allow the infant to handle food and feeding implements during feeding. 4 x 2 =8 marks   ½ Stating ½ Explaining
2. Symptoms of roundworm infestation
   • Abdominal discomforts and pains
   • General weakness and fever
   • May cause a dry cough
   • Malnutrition where infection is heavy
   • Anemia (since they feed on blood)
   • Large round stomach in children
   • Diarrhea and constipation
   • Bed wetting in children  4 x 1 =4 marks
3. Factors to consider when buying a sewing machine
   • Affordable price
   • Buy from a reliable popular model
   • One which is user friendly
   • Has an instruction manual
   • Should be in good working condition
   • Amount of sewing to be done e.g domestic or commercial
   • Buy one which is time and energy saving.   4 x 1 =4 marks
4. Qualities of a well constructed handmade button hole
   • Button hole stitches used
   • Stitches evenly distributed/correct density
   • Correct sizes of the stitches
   • Well reinforced/correct stitches at the end of button hole
   • The button hole stitches are neat
   • Correct size button hole
   • Correctly cut i.e. horizontal or vertical  4 x 1 =4 marks

23.

1. Processes/methods that are not suitable when laundering loose coloured clothes
   • Soaking (1) since it will remove the (1) colour
   • Washing for long (1) time since this will give time to remove (1) colour
   • Use of friction (1) method it encourages loose of colour (1)
   • Wringing since it will twist the colour out from the cloth
   • Drying under (1) the sun since the colour will fade (1)  4 x 2 =8 marks
2. Hygienic practices to observe during food storage
   • Storage equipment must be kept clean (1) to avoid attracting pest and micro-organisms (1)
   • Containers used to hold cooked food should be free from cracks/chips (1) to avoid harbouring micro-organisms (1 )
   • Practice the principle of first in first out (fifo) (1) to prevent food spoilage. (1)
   • Dry food should be stored in well ventilated (1) places free from pest to avoid food spoilage (1)
   • Cover/wrap food (1) before storage to avoid contamination.  2 x 4 =8 marks
3. Factors that determine the repair method to be used on household articles
   • Size of the tear on the article
   • Weight of the article
   • Cleaning method of the article
   • Effect desired
   • Position of the tear
   • Method of fabric construction
   • Purpose of the article   4 x 1 =4 marks

24.

1. Advantages of using left over foods
   • It’s economical as food left over is not wasted
   • Saves time as food is only reaheated for a short time
   • Saves energy as little fuel is used during reheating
   • Saves labour as it does not involve food preparation
   • Cost saving as a new meal can be produced without involving any purchases
   • Redishing and redressing a reheated food helps one to be creative 5 x 1 =5 marks
2. Duties of weights and measures inspectors
   • Raid shops and check weights and measurement machines used in trade
   • Test machines to ensure they are accurate and in good working order
   • Follow the trader to ensure correct usage of machines
   • Check machines yearly at a small fee
   • Check pre-packed goods to ensure they are of correct weights as marked on the packet 5 x 1 =5 marks
3. Reasons for caring for the sick at home
   • Minimize on hospital expenses
   • When one is not too ill to be admitted/sickness not life threatening
   • To nurse the aged and terminally ill within the warmth of the family
   • To avoid frequent visits to the hospital
   • Lack of enough hospital funds
   • To ensure continuous recovery after being discharged for hospital
   • To give emotional support for emotionally vulnerable patients
   • For a breast feeding mother to remain with the baby. 5 x 1 =5 marks
4. Advantages of lining a bedroom curtains
   • Prolong life
   • Protect from sunrays
   • Make it heavy/add
   • Make it drape well
   • Prevent fading
   • To add beauty/attractive 5 x 1 =5 marks