Home Science Paper 1 Questions and Answers - Mathioya Mock Exams 2022

Questions

Instructions to candidates

• This paper consists of 3 sections A, B and C. Answer all questions in section A and B and any two from section C.All answers must be written in the answer booklet provided.
• All Answers must be written in English

SECTION A COMPULSORY (40MKS)
Answer all questions in this section in the spaces provided

1. Define care labels as used in textiles (2mks)
2. Name 2 examples of conspicuous seams (2mks)
3. Give 3 reasons for timely repair of clothes (3mks)
4.  Mention 3 factors determining the efficiency of a laundry detergent (3mks)
5. Outline 2 causes of suffocation at home (2mks)
6. Identify four types of kitchen plans (2mks)
7.  Distinguish between food spoilage and food poisoning (2mks)
8. Suggest 3 reasons why cotton is suitable for undergarments (3mks)
9.  Highlight 2 desirable qualities of a handsewing needles (2mks)
10.  Name 4 examples of temporary stitches (2mks)
11.  Identify two vaccines that are administered at birth (2mks)
12. Suggest 3 ways of incorporating air physically into flour mixtures (3mks)
13. Identify 2 ways of controlling fullness on a school skirt (2mks)
14. Outline 3 disadvantages of using credit cards when buying goods (3mks)
15. Identify 4 examples of soft furnishings in the bedroom (2mks)
16. Mention 2 principles applied in food preservation (2mks)
17. State 3 reasons why food should be fortified (3mks)

SECTION B (20MKS)
COMPULSORY
Answer question 18 in the spaces provided;

18. You have been left at home for general cleaning over the weekend;
    
    1. Describe the procedure of sponging a heavy dark colored woollen sweater using an already prepared sponging solution (9mks)
    2. Describe the cleaning of a plain wooden rolling pin previously used in rolling dough (5mks)
    3. Describe the procedure of sweeping the cemented bedroom floor (6mks)

SECTION C (40MKS)
Answer any two questions from this section in the spaces provided

19.  
    1. Explain 3 ways through which safe parenthood is achieved for expectant mothers (6mks)
    2. Explain 4 points considered when buying an electric iron box (8mks)
    3. Describe 3 types of drainage at home (6mks)
20.  
    1. Describe 3 dry heat methods of cooking food (6mks)
    2. Describe any 3 types of play in child development (6mks)
    3. Explain four reasons why breastfeeding is important to the baby (8mks)
21.    
    1. Explain 3 reasons why consumers should be protected (6mks)
    2. Explain 3 precautions taken when dry cleaning garments at home with commercial dry cleaning solvents 6mks)
    3. Explain four styles of serving meals (8mks)

Marking Scheme

1. Defintion of care labels as used in textiles
   
   • Tags attached on readymade garments(1) which give instructionon how to treat (1) garments during laundry
2. Examples of conspicuos seams
   • Overlaid seam
   • Machine fell
   • Run and fell (any 2x 1= 2mks)
3. Reasons for timely repair of clothes
   
   • for them to last long
   • To make them neat
   • To prevent further tear/wear (3x1= 3mks)
4. Factors determining the efficiency of a laundry detergent
   
   • temperature of the water
   • Type of water
   • mechanical action applied/method of washing
   • Time used in washing
   •  builders present/cleansing power of the detergent (any 3x1= 3mks)
5. causes of suffocation at home
   
   • inhaling leaking gases
   • inhaling carbon monoxide from a jiko in a poorly ventilated room
   • children covering the head with polythene bags
   • smoothering objects/pillows/cushions (any 2x1= 2mks)
6.  types of kitchen plans
   
   • U- plan Corridor plan
   • L- plan
   • 1-wall plan (any 4x1/2= 2mks)
7.  differentiating between food spoilage and food poisoning
   
   • Food spoilage is the deterioration of food due to contamination while food poisoning is an illness caused by consumption of spoilt food
   • Well differentiated = 2mks
8.  Reasons why cotton is sutable for undergarments
   
   • Strong to withstand constant washing
   • Absorbent
   • Warm/Good conductor of heat
   • Does not generate static electricity
   • Resistant to high temperatures/sterilised by boiling
   • Withstands washing detergents/stain removing agents, easy to remove stains
     (any 3x 1= 3mks)
9. Qualities of a handsewing needle
   
   • Should be stainless
   • should be sharp
   • should be suitable for the work
   • Have a smooth eye
   • Easy to thread (any 2x1= 2mks)
10. Examples of temporary stitches
    
    • Even tacking long and short tacking
    • basting /diagonal tacking
    • Tailors tack
    • Thread marking
11. Vaccines that are administered at birth
    
    • Oral polio vaccine
    • BCG vaccine (2x1= 2mks)
12. Ways of incorporating air physically into flour mixtures
    
    • sieving flour beating batter
    • whisking eggs creaming fat and sugar
    • Rubbing in fat into flour Folding pastries (any 3x1=3mks)
13. Ways of controlling fullness on a school skirt
    
    • Darts
    • Pleats (2x1= 2mks)
14. Disadvantages of using credit cards when buying goods
    
    • Charge interest on the credit taken especially incase of default
    • Encouranges overspending
    • Encouranges impulse buying
    •  Most people are not eligible to use it as means of payment
    • Limited goods/services can be bought usong the card (any 3x1=3mks)
15. Examples of soft furnishings in the bedroom
    
    • Pillow case lampshades
    • Bedcover mats/carpets
    • Curtains
    • Mosquito nets (any 4x1/2=2mks)
16. Principles applied in food preservation
    
    • Application of heat
    • Exclusion of air/oxygen
    • Exclusion of moisture
    • Application of sugar/salt/acid/chemical preservative
    • Freezing (any 3x1=3mks)
17.  Reasons for food fortification
    
    • Introduce additional nutrients
    • Improve the appearance of food
    • Prevent nutritional disorders
    • Vary the texture
    • Vary the flavour (any 3x1=3mks)
18. 1. procedure of sponging a heavy dark colored woollen sweater using an already prepared sponging solution
       • Collect the necessary equipment and materials(1/2)
       • Shake(1/2) the sweater to loosen dirt
       • Take measurements(1/2) and record
       • Spread (1/2)on a clean surface
       • Using a cloth (1/2)wrung from the sponging solution, wipe (1/2)the sweater a section (1/2)at a time overlapping(1/2) the sections, starting from the wrong side (1/2)towards the right side. Pay attention to double sections(1/2)
       • Rinse(1/2) thorougly (1/2)with a cloth(1/2) wrung from clean (1/2)warm water
       • Flick out /Squeeze out (1/2)excess solution
       • Take measurements(1/2) and make necessary adjustments if any
       • Dry(1/2) flat (1/2)in an airly place under the shade(1/2)
       • Press (1/2)while slightly damp(1/2) indirectly (1/2)with a warm(1/2) iron
       • Air (1/2)to dry completely
       • Fold and store (1/2)with the help of moth balls(1/2)
       • Clean equipment used dry, store(1/2) (max18/2=9mks)
    2. Cleaning of a plain wooden rolling pin previously used in rolling dough
       • Collect the necessary equipment and materials(1/2)
       • Clean in warm(1/2) soapy water with a soft cloth/scouring pad(1/2)
       • Rinse (1/2)thoroughly(1/2) in clean (1/2)warm water
       • Final rinse(1/2) in clean(1/2) cold water
       • Wipe(1/2) to dry
       • Dry completely (1/2) in a warm(1/2) airly place
       • Store(1/2) appropriately
       • clean equiment used dry, store(1/2) (Max 10/2=5mks)
    3. the procedure of sweeping the cemented bedroom floor
       • Collect the necessary equipment and materials(1/2)
       • Remove light furniture/clear the floor(1/2)
       • Close the windows(1/2)
       • Using a sweeping broom, sweep with long low strokes(1/2) , standing behind(1/2) the broom a section(1/2) at a time , overlapping (1/2)the sections, from the furthest end (1/2)towards the door. Avoid lifting (1/2)the broom.
       • collect dirt(1/2) in a dustpan and dispose(1/2) appropriately
       • Rearrange (1/2)the furniture
       • Dust(1/2) the surfaces methodically
       • Clean equipment used, dry, store(1/2) (max12/2=6mks)
19.   
    1. ways through which safe parenthood is achieved for expectant mothers
       • Meeting the nutritional needs of the mother i. e ensure the mother receives a balanced diet with extra nutrients such as iron, calcium, proteins etc
       • Social preparation by ensuring the motherenjoys support of the family and at work place throughout her pregnancy
       • Psychological preparation to ensure the mother has a positive mental attitude towards the pregnancy and is free from anxiety/worry
       • Voluntary counselling and testing to safeguard the health of the baby and mental well being of the mother
       • Correct Age of parenting (18-35 years)to minimise the risks of complications arising during child birth and after delivery (Any 3x 2= 6mks)
    2. Points cosidered when buying an electric iron box
       • cost; it shouls be affordable
       • The sole should be smooth to avoid damaging clothes
       • Electricity should be available to power the iron
       • Should have a long flex for easy handling
       • Should be made of durable material to last long
       • Should be of appropriate weight for comfort/ to exert enough pressure on clothes
       • Should have a thermostat with clear indication on the appropriate temperature for different fabrics
       • The pilot light should be working. Test before purchasing to avoid buying a faulty one
       • Should be able to stand on its heel for ease of use (Any 4 x2= 8mks)
    3. Types of drainage at home
       • Free drainage; Disposal of waste water away from the house anyhowly
       • Open/Semi-concealed; Disposal of waste water in gutters and ditches
       • Concealed; Disposal of waste water in pipes (any 3 x 2= 6mks)
20.     
    1. Dry heat methods of cooking food
       • Boiling; cooking food while copmletely immersed in hot boiling water
       • Steaming; cooking food using hot water vapour
       • Stewing; cooking food in limited amount of stock/water
       • Frying; cooking food using hot oil (any 3x2=6mks)
    2. Types of play in child development
       • Physical play; play that exercises the muscles such as running, jumping climbing
       • Manipulative play; play that enables cordination of the limbs and eyes such as playing with sand small stones, water. The child learns things like size, volume, colours
       • Creative play; plays that enable the child to express himself, enables innovation and talent development such as painting, drawing, modellling etc
       • Imaginative play; Play that enables the child to express their feelings and emotions such as pretending to be a mother, father, pastor,teacher, musician. Enables the child to act out their feelings, likes, dislikes
         (Any 3 x 2= 6mks)
    3. Reasons why breastfeeding is important to the baby
       • Breastmilk has most of the nutrients required by the baby for healthy growth in their correct proportions
       • Breastfeeding strengthens the bond between the baby and the mother
       • Breastfeeding is hygienic due to minimal handling of breastmilk minimising chances of infection
       • Breastfeeding with colostrum boosts the babies immunity against childhood infection
       • Breastfeeding can be done any time as the milk is readily availble hence the baby does not wait for long
       • Breastmilk is always at the right temperature which is covinient for the baby (any4x2=8mks)
21.     
    1. Reasons why consumer protection is important
       • Ensure goods in the market are of correct quality safeguarding the consumer from substandard goods
       • ensure goods are of the right quantity; consumers are not exploited by buying enderweighed goods
       • Safeguard the health of the consumer ; through banning sale of products of health risk/ withharmful ingredients. Advertisers should give information to warn consumers of the risks involved in consumption of products such as alcoho, cigarettes
       • safeguard the consumer from hoarding of goods; traders hiding goods so that they are not availble for sale inorder to sell when their prices go up
       • Ensure consumers are compensated incase certain products fail to work as they should; through issuance of warranties to consumers by traders.
       • Ensure the prices of products are fair; consumers are not overcharged
       • Eusures consumers get the right information about products; through prohibiting misleading, false advetisements/incorrect labelling of products. (any 3x2=6mks)
    2. Precautions taken when dry cleaning garments at home with commercial dry cleaning solvents
       • work in a well ventilated place as the solvent is poisonous when inhaled
       • work away from open flames as the sovent is highly flammable
       • Work quickly and seal the remaing solvent as the solvent is highly volatile
       • Follow manufacturers instructions on use for efficiency / safety
       • If necessary wear protective gear to avoid direct contact with the solvent/avoid inhaling the solvent
         (Any 3x2=6mks)
    3. Styles of serving meals
       • Buffet ; Different dishes presented in food warmers , to entertain a large number of guests in occassions
       • Family table service; food dished out in serving dishes and placed on the dining tablr for family members to serve themselves
       • Plate service; food dished out directly into the plate/platter
       • Tray service; food items presented on a tray (4x2= 8mks)