Home Science Questions and Answers - Form 2 Term 3 Opener Exams 2023

INSTRUCTIONS

• Answer all the questions in section A and B and only 2 out of the three questions in section C.

SECTION A 40 MARKS

1. State two points to remember when using deodorants. (2m)
2. Give two points to consider when choosing a laundry brush. (2m)
3. Give two reasons why hot water is not suitable for cleaning wooden surfaces. (2m
4. State two precautions to take when cleaning aluminum. (2m)
5. Point out three causes of anaemia. (3m)
6. List down three reasons for using polythene bags for storing foods in a fridge. (2m)
7. State the function of each of the following (2m)
   1. Stiletto: -
   2. Bodkin: -
8. Point out three advantages of traditional housing designs.
9. State two methods of disinfecting bath towels. (2m)
10. Give three ways of identifying warp threads in a woven fabric in the absence of a selvedge. (3m)
11. Point out three effects of poor rinsing of clothe (3m)
12. List down two advantages of fixing care labels on clothes and other household articles. (2m)
13. Give two reasons for shaping shoes during storage. (2m)
14. State two limitations of nylon clothes. (2m)
15. Differentiate between sponging and spotting as special treatments in laundry work. (2m)
16. Highlight two qualities of deep frying fat/oil (2m)
17. Mention two forms of malnutrition in the society (2m)
18. Give the other name for vit. C (1m)

SECTION B – (20MKS) (COMPULSORY)

19. You have been left at home during the elections day and you intend to carry out a few activities.
    1. Give the procedure of how you will launder you woolen jacket. (10m)
    2. Clean a stained kitchen plastic bowl. (5m)
    3. Improvise a long-handled sweeping broom. (5m)

SECTION C – 40 MARKS.

Answer only 2 questions in this section.

20.  
    1. Give one reason for each of the following practices in cleaning (5m)
       1. Cleaning a glass window from outside to inside
       2. Scrubbing a wall from down moving up.
       3. Sweeping with long low strokes.
       4. Pouring hot water down a kitchen sink drain.
       5. Collecting all the required equipment and materials before any task.
    2. Explain five importance of proper drainage in a family house. (5m)
    3. State five characteristics of a well made seam. (5m)
    4. List down five advantages of roasting food. (5m)
21.  
    1. List and explain five factors to consider when buying a house. (10m)
    2. List down five qualities of tomatoes when purchasing. (5m)
    3. Give three uses of starch and two uses of washing soda in laundry. (5m)
22.  
    1. Explain five factors to consider when working permanent stitches. (10m)
    2. Highlight five known causes of malnutrition in Kenya. (5m)
    3. State five points to consider when choosing a wardrobe. (5m)

MARKING SCHEME

SECTION A 40 MARKS

1. State two points to remember when using deodorants. (2m)
   • Body should be clean.
   • Stop in case of allergies.
   • Follow manufacturers’ instructions.
   • Stop in case of skin irritation.
2. Give two points to consider when choosing a laundry brush. (2m)
   • Bristles should be fairly and evenly fixed.
   • Handle should be of convenient length.
   • Handle in smooth and light in weight.
   • Long lasting materials.
3. Give two reasons why hot water is not suitable for cleaning wooden surfaces. (2m)
   • Softens the surface.
   • Causes it to warp/swell.
   • Causes discolouration/darknens.
4. State two precautions to take when cleaning aluminum. (2m)
   • Do not use alkaline soaps.
   • Avoid using harsh abrasives.
   • Avoid sudden temps. changes.
5. Point out three causes of anaemia. (3m)
   • Lack of iron in the body.
   • Excessive bleeding.
   • Malnutrition/poor feeding
   • Manifestation of parasites.
   • Lack of vit. C in the diet.
6. List down three reasons for using polythene bags for storing foods in a fridge. (2m)
   • Protect food against dehydration.
   • Non-toxic
   • Food does not loose flavour.
   • Protects from cross-contamination
   • Moisture proof.
7. State the function of each of the following (2m)
   1. Stiletto: - making holes and eyelets.
   2. Bodkin: - Threading elastic cards etc.
8.  Point out three advantages of traditional housing designs. (3m)
   • Materials are readily available.
   • Materials are cheap & locally available.
   • Easy to build: no expertise needed.
   • Take a short time/fast to build.
9. State two methods of disinfecting bath towels. (2m)
   • Boiling.
   • Hot sun drying.
   • Use of chemicals, eg. Dettol.
   • Steaming.
   • Fumigation.
10. Give three ways of identifying warp threads in a woven fabric in the absence of a selvedge. (3m)
    • Will not stretch when pulled.
    • They are stronger than the wefts.
    • They produce a sharper sound when tagged.
11. Point out three effects of poor rinsing of clothes.
    • Soap stains.
    • Discolouration of fabrics
    • Weakening of fibres.
    • Bad odour.
12. List down two advantages of fixing care labels on clothes and other household articles. (2m)
    • Guides the consumer on how to launder.
    • Assists the consumer on choice of articles.
    • Aids professionals on the solvents to use.
13. Give two reasons for shaping shoes during storage. (2m)
    • Retains their original shape.
    • Prevents shrinkage.
    • Keep them neat.
14. State two limitations of nylon clothes. (2m)
    • Not absorbent.
    • Produces static electricity.
    • Forms piles when rubbed.
    • White ones yellow with age.
15. Differentiate between sponging and spotting as special treatments in laundry work. (2m)
    • Sponging is cleaning a garment on the surface using a sponge or a bad wrung out of a solvent while
    • Spotting is cleaning a section of a garment using a sponge wrung out of a solvent without cleaning the rest of the garment.
16. Highlight two qualities of deep frying fat/oil (2m)
    • Should have a high smoking point.
    • Should not have a definite flavour.
17. Mention two forms of malnutrition in the society (2m)
    • Overnourishment.
    • Under nourishment.
18. Give the other name for vit. C (1m)
    • Ascorbic acid.

SECTION B – (20MKS) (COMPULSORY)

19. You have been left at home during the elections day and you intend to carry out a few activities.
    1. Give the procedure of how you will launder you woolen jacket. (10m)
       • Collect all items required.
       • Take mments. & record; shake to remove dust, wash quickly in warm soapy water, kneading & squeezing mild detergent. Rinse thoroughly in warm water squeeze out excess water; Roll a clean towel.
       • Dry flatunder shade; press, warm iron.
       • Air fold & store in a wardrobe, hanger use naphthalene balls to prevent moths damages up.
    2. Clean a stained kitchen plastic bowl. (5m)
       • Collect items required.
       • Wash in hot soapy water using a soft cloth
       • Use mild bleach or soak in lemon water.
       • Rinse thoroughly in hot water.
       • Dry completely and rub/buff with a soft cloth to shine ; store properly.
       • Clear up -----
    3. Improvise a long-handled sweeping broom. (5m)
       • Collect what is required.
       • Use long grass or twigs.
       • Take a long stick; curve to smoothen
       • Tie with a string on the handle.
       • Turn the grass make a 2nd tie’
       • Trim the tips.

SECTION C – 40 MARKS.

Answer only 2 questions in this section.

20.  
    1. Give one reason for each of the following practices in cleaning (5m)
       1. Cleaning a glass window from outside to inside.
          • To enhance through cleaning as dirt marks are clearly seem from inside.
       2. Scrubbing a wall from down moving up.
          • To avoid dirt from drying on the wall.
          • To avoid tear marks.
       3. Sweeping with long low strokes.
          • To avoid raising dust and leaving dirt patches.
       4. Pouring hot water down a kitchen sink drain.
          • To disinfect the sink.
          • To get rid of bad smells.
          • To melt fat/grease in the sink pipe.
       5. Collecting all the required equipment and materials before any task.
          • To save time and energy.
    2. Explain five importances of proper drainage in a family house.
       • Prevents diseases ----well explained----
       • Discourages breeding & for pests.
       • Provides psychological satisfaction to those living in it.
       • The house is free from stains or stubbon dirt.
       • Frees the house from bad odours.
    3. State five characteristics of a well made seam. (5m)
       • Neat on both sides to enhance appearance.
       • Firmly stitched from strong durable work.
       • Even in width.
       • Well pressed.
       • Accurately made.
       • As insconspicious as possible unless meant for decoration on the R.S
    4. List down five advantages of roasting food.
       • It is a quick method of cooking.
       • Roasted food is attractive.
       • It is tasty esp. meat.
21.  
    1. List and explain five factors to consider when buying a house. (10m)
       • Cost – price to include all other charges.
       • Value of the house – seek prof. advice
       • Location of the house
       • Construction – well built, durable & attractive
       • Family requirements to meet needs
       • Reliability of the seller – legal docs etc.
    2. List down five qualities of tomatoes when purchasing. (5m)
       • Red in colour when ripe.
       • Be firm and not overripe.
       • Not infected by insects.
       • Should be clean.
       • Smooth, not bruised or scratched.
    3. Give three uses of starch and two uses of washing soda in laundry. (5m)
       1. Starch
          • Gives a glossy appearance
          • To stiffen fabrics.
          • Makes articles dirt – resistant
          • Make articles resistant to creases.
       2. Washing soda
          • To soften hard water.
          • Emulsifies grease.
          • Removes stains on white cottons & linens.
22.  
    1. Explain five factors to consider when working permanent stitches. (10m)
       • Use the correct size of needle and thread for the fabric.
       • The colour of thread shd. match of the fabric unless a decorative effect is desired.
       • Choose the correct stitch for the intended ppse.
       • Fasten on and off securely, neatly and firmly.
       • Shd. be firmly and neatly done and inconspicious unless a dec. effect is desired.
       • Use the correct tension according to wt. of fabric.
    2. Highlight five known causes of malnutrition in Kenya. (5m)
       • Poverty.
       • Parasites.
       • Natural calamities.
       • Ignorance .
       • Corruption.
       • Food taboos.
       • Lifestyle.
       • Body inability to utilize nutrients..
         NB each should be well stated.
    3. State five points to consider when choosing a wardrobe. (5m)
       • Should have sufficient space for the clothes to be stored.
       • Made of durable material to last long.
       • Have smooth surfaces.
       • Lockable to protect articles from dust or light.
       • Strong rod for hanging.
       • Easy to clean and maintain.