Home Science Questions and Answers - Form 1 End Term 3 Exams 2023

Instructions to candidates

• This paper consists of three sections. A, B and C
• Answer all questions in section A. Section B is compulsory. Answer the two questions in section C.
• Answers to questions must be written in the space provided.
• All answers must be written in English.

SECTION A

Answer ALL the questions in the spaces provided.

1. Name three groups of natural fibres. (1½ marks)
2. List down four food lifting tools made of metal. (2 marks)
3. Identify four areas in a house where high polishing should not be done. (2marks)
4. Give two causes of falls in the house. (2 marks)
5. Mention three ways to identify fibres. (1½ marks)
6. State four rules a first aider must observe during an emergency. (2marks)
7. Give the following uses of the following kitchen equipment. (2marks)
   1. Flour dredger
   2. Rotary whisk
8. State four uses of running stitches. (2marks)
9. Identify two situations when it is necessary to a use a mouth wash. (2marks)
10. What advice would you give to your sister on how to care for her cutting scissors. (2marks)
11. Mention two disadvantages of bungalows. (2marks)
12. Suggest two ways old newspapers can be used when cleaning a house. (2marks)
13. Give the function of a stiletto. (1 mark)
14. Suggest two ways of preventing unpleasant body odours (2marks)
15. Write down two pieces of information a consumer should obtain from a seller before buying a treadle sewing machine. (2marks)
16. Mention two ways of caring for a chest of drawers used to store undergarments. (2marks)
17. Why would one soak a dirty handkerchief in cold salty water before washing? (2 marks)
18. Give two functions of the presser foot when used together with the feed dog. (2marks)
19. Suggest two ways in which food can be contaminated by the cook. (2marks)
20. Mention two advantages of boiling as a method of cooking. (2marks)
21. Identify two possible causes of suffocation as a common accident. (2marks)

SECTION B (Compulsory) 20 marks

Answer this question in the spaces provided.

22. Your mother has requested you to assist her with household chores over the weekend.
    1. Outline how you would clean her plastic kitchen bin. (10marks)
    2. Outline how you would launder your loose coloured bath towel. (10marks)

SECTION C

Answer any TWO questions from this section.

23.  
    1. Mention four qualities of a good needlework room. (4 marks)
    2. Give four causes of missing stitches when machine stitching. (4marks)
    3. State six reasons why physical body exercises should be encouraged among the youth.(6marks)
    4. Identify six points to consider when buying land for a family house. (6marks)
24.  
    1. Give four reasons why saucepans should have a thick base. (4 marks)
    2. State four qualities of well-made backstitches. (4marks)
    3. Mention four reasons why polythene bags are suitable for storing food in the refrigerator (4marks)
    4. Give four uses of a pressing cloth. (4 marks)
    5. Suggest four advantages of living in a staff/employer’s house. (4marks)
25.  
    1. Mention four desirable qualities of kitchen floors. (4 marks)
    2. Give four antisocial behaviours that adolescents should not engage in. (4marks)
    3. Suggest four properties that makes asbestos suitable for theatre curtains and protective clothing. (4 marks)
    4. State four daily activities carried out in the kitchen. (4 marks)
    5. Identify four properties of woolen fibre that makes it suitable for making carpets. (4 marks)

MARKING SCHEME

SECTION A

1. Three groups of natural fibres (1½marks)
   • plant fibres.
   • animal fibres.
   • mineral fibres.
2. Four food lifting tools made of metal (2marks)
   • Slotted spoon.
   • Tongs.
   • Frying basket.
   • Fish slice.
   • Serving spoons.
3. Four areas in a house where high polishing should not be done (2marks)
   • Kitchen.
   • Bathroom.
   • Toilet.
   • Staircase.
   • Corridor.
   • Laundry room.
   • Play room.
4. Two causes of falls in the house (2 marks)
   • Slippery floors.
   • Poor lighting in corridors and staircase areas.
   • Leaving equipment carelessly where people can stumble on them.
5. Three ways used to identify textile fibres (1½ marks)
   • Burning test.
   • Microscopic test.
   • Strength test.
   • Chemical \ solubility\ acid\ alkali test.
   • Appearance, texture and feel test\ physical feel identification.
6. Four rules a first aider must observe during an emergency (2 marks)
   • Keep calm throughout.
   • Do not endanger self \ look after yourself.
   • Remove the victim from danger if possible.
   • Offer appropriate first aid.
   • Send for help if casualty is not breathing, is bleeding or is unconscious.
   • Take victim to doctor\ hospital and give a full report to the doctor.
7. Uses of the following kitchen equipment (2 marks)
   1. Flour dredger- used to sprinkle flour onto surface or pastry board when rolling dough
   2. Rotary whisk- for beating eggs, cream or sauces during food preparation.
8. Four uses of running stitches (2marks)
   • Used for preparing hand gathering stitches\gathers.
   • Used for embroidery.
   • Used for joining of two or more pieces of fabrics together.
   • Used for edge stitching\ neatening.
   • Used for edge finishing e.g. elastic casing.
9. Two situations when it is necessary to use a mouth wash (2 marks)
   • After surgery in the mouth.
   • After a tooth extraction.
   • When the mouth has an infection.
10. Advice to my sister on care of her cutting scissors (2 marks)
    • Do not drop the scissor.
    • Use for the right purpose\ correct purpose.
    • Keeping them well sharpened.
    • Oiling the joints\ hinges.
11. Two disadvantages of bungalows (2 marks)
    • Relatively expensive build.
    • Occupies a lot of spaces as all rooms are on the same floor.
    • Does not offer adequate security.
    • Does not offer adequate sense of community.
12. Two ways old newspapers can be used when cleaning a house (2marks)
    • Shinning glass windows/ doors/ surfaces.
    • Protecting surfaces when cleaning.
    • Collecting dirt after sweeping.
    • Lining shelves \drawers.
    • Lining dustbins after washing it.
13. Function of a stiletto (1 mark)
    • Used to make holes\ eyelets on garments.
14. Two ways of preventing unpleasant body odours (2 marks)
    • Bathing daily.
    • Using a deodorant.
15. Putting on clean clothes.Two pieces of information a consumer should obtain from a seller before buying a treadle sewing machine (2 marks)
    • Does the seller offer a guarantee.
    • Condition of sale, is it cash or installments.
    • Are the spare parts for the sewing machine available locally.
    • Serviceability of the sewing machine; is it readily available.
    • Is there an instruction manual on how to use the sewing machine\ a demonstration.
16. Two ways of caring for a chest of drawers used to store undergarments (2 marks)
    • Dust the drawers regularly.
    • Place moth balls (naphthalene balls) inside the drawers.
    • Line drawers with old newspapers or clean paper.
17. Why one soaks a dirty handkerchief in cold salty water before washing (2 marks)
    • To dissolve mucus.
    • To remove blood stains.
    • To disinfect\ kill germs\ sterilize.
18. Two functions of the presser foot when used together with the feed dog (2 marks)
    • To hold the fabric firmly during stitching.
    • To move the fabric while stitching.
    • To guide the fabric during stitching.
19. Two ways in which food can be contaminated by the cook (2 marks)
    • Handling cooked food with bare hands / dirty hands.
    • Using cooking equipment which is not clean.
    • Using contaminated water\ unsafe water.
    • Storing cooked food in dirty places.
    • Holding food in cracked and chipped containers.
    • The cook could be a heavy carrier of infectious diseases.
    • Sneezing over food without covering their mouth.
20. Two advantages of boiling as a method of cooking (2 marks)
    • Requires little attention.
    • Liquids from some foods can be used to make stock, creams, soups and sauces.
    • Other foods can be steamed on top of the boiling food.
21. Two possible causes of suffocation as a common accident (2 marks)
    • Drowning
    • When one is smothered with objects such as pillows and cushions.
    • Breathing in poisonous gas such as carbon monoxide, hydrogen cyanide, ammonia in large quantities.
    • Leaking gas and petrol fumes in poorly ventilated areas.

SECTION B [COMPLUSORY QUESTION] 20 MARKS

22.  
    1. Cleaning a plastic kitchen bin. (10 marks)
       • Collect equipment and materials needed. (½)
       • Empty the bin. (½)
       • Clean (½) inside (½) and outside (½) using a soft cloth\ sponge\ soft brush\sisal fibre (½) dipped in hot\warm (½) soapy (½) water.
       • Rinse (½) in warm (½) clean (½) water.
       • Finally rinse (½) in clean (½) cold (½) water into which a disinfectant (½) is added.
       • Dry (½) upside down (½) under a shade (½).
         OR
       • Dry (½) inside and outside (½) using a clean dry cloth (½).
       • Line using old newspaper\ suitable material. (½)
       • Clean, dry and store equipment and material used. (½)
    2. Laundering your loose coloured bathing towel (10 marks)
       • Collect equipment and materials needed. (½)
       • Shake. (½)
       • Wash in warm (½) soapy (½) water using kneading and squeezing\ gentle friction method. (½)
       • Wash quickly. (½)
       • Rinse (½) in warm (½) water.
       • Finally rinse (½) in cold (½), salty (½) water.
       • Squeeze out excess water. (½)
       • Dry (½) on the ground\ clean surface (½) under the shade (½).
         OR
       • Dry (½) on a clothes line (½) hanging straight using pegs (½)
       • Press (½) using a cool (½) iron away from the worker.
       • Air. (½)
       • Fold and store. (½)
       • Clean, dry and store equipment used. (½)

SECTION C (40 MARKS)

21.  
    1. Four qualities of a good needle work room (4marks)
       • Should be well lit\ have enough lighting.
       • Should be well ventilated.
       • Should be large enough to accommodate required equipment and people.
       • Should have enough storage space\ equipment.
    2. Four causes of missing stitches when machine stitching (4 marks)
       • Needle is bent.
       • Needle is blunt.
       • Machine is not oiled.
       • Needle is too fine for the thread.
       • Pulling the work when machining.
       • Needle set the wrong way round.
    3. Six reasons why physical body exercises should be encouraged among the youth (4marks)
       • Enhances blood circulation.
       • Stimulates digestion.
       • Enhances the removal of sweat\ waste.
       • Assists in burning down excess fat\ prevent obesity.
       • Improves appetite.
       • Strengthens the body\ keeps the body fit\ keep the body active\ flexible.
       • Stimulates the brain\ relaxes the mind.
       • Enhances good grooming\ appearance.
    4. Six points to consider when buying land for a family house (4marks)
       • Cost of land should be within family financial means.
       • Value of land should be worth the price.
       • Should be near social amenities such as water, schools, shopping centers, hospitals, work place etc.
       • Ensure the reliability of the seller by checking that all legal documents are available and valid before final transaction.
       • Ensure the neighborhood is secure by knowing the nature of the people living around.
       • Ensure land is well drained.
       • Ensure that the soil is easy to manage in all weather conditions.
22.  
    1. Four reasons why sauce pans should have a thick base (4 marks)
       • To be stable on the cooker.
       • Distribute heat easily.
       • Good for retaining heat.
       • To distribute heat evenly.
       • Do not buckle\ dent easily.
    2. Four qualities of well-made back stitches (4marks)
       • Should be straight.
       • Should be the right size.
       • Should be even in size\ length.
       • Should be firmly secured at the start and at the end.
       • Should be of good tension\ have correct tension.
    3. Four reasons why polythene bags are suitable for storing food in the refrigerator (4marks)
       • They are moisture proof so that the food does not get soggy.
       • They protect the food from cross-contamination of flavours.
       • They protect the food against dehydration.
       • It is non-toxic and therefore safe to store food in.
       • They can be shaped to assume the shape of the food or the space available for the storage.
    4. Four uses of a pressing cloth (4 marks)
       • To remove creases.
       • To enhance appearance.
       • To prevent scotching\ shining on the right side.
       • To kill germs.
       • To ensure straight seams.
    5. Four advantages of living in a staff \ employer’s house (4marks)
       • Accommodation is guaranteed as long as one remains in that employment.
       • Some houses are furnished by employer.
       • The employee does not spend money on repairs.
       • The rent is very little and is deducted from their salaries and in some cases accommodation is free.
       • In some cases, company\ organization may provide various facilities e.g. garbage collection.
       • Some companies\ organization may provide recreational facilities, schools and hospitals within the living quarters.
23.  
    1. Four desirable qualities of kitchen floors (4marks)
       • Should be easy to clean.
       • Should be easy to keep dry.
       • Should not be slippery.
       • Should be long lasting.
       • Should be heat resistant.
       • Should have a smooth even surface.
       • Should be resistant to grease.
       • Should not stain easily\stains should be easy to remove.
    2. Four antisocial behaviour that adolescents should not engage in (4marks)
       • Abuse of alcohol and drugs.
       • Pre-marital sex.
       • Looking untidy and unkempt.
       • Absenteeism from school\ dropping out of school.
       • Involvement in riots and crime.
       • Stealing.
       • Succumbing to negative influence from peer pressure.
    3. Four properties that make asbestos suitable for theatre curtains and protective clothing (4marks)
       • Can withstand high temperature.
       • It is resistant to chemicals.
       • It is non-flammable.
       • It is resistant to damage by insects.
       • It is easy to launder.
    4. Four daily activities carried out in the kitchen (4 marks)
       • Cleaning dirty utensils.
       • Cleaning kitchen sink.
       • Cleaning cooker.
       • Sweeping\ cleaning the floor.
       • Cleaning the work tops\ working surfaces.
       • Cleaning refrigerator\ food storage area.
       • Emptying, cleaning and drying dustbin.
       • Washing the kitchen cloths.
    5. Four properties of woolen fibre that makes it suitable for making carpets (4marks)
       • It has a natural crimp making it warm.
       • It is flame resistant.
       • It readily absorbs sound.
       • Has elasticity and resilience making it wrinkle resistant.
       • It is highly resistant to static electricity.