Home Science Paper 1 Questions and Answers - Lanjet Joint Mock Exams 2022

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QUESTIONS

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

  1. State two reasons for ironing clothes. (2mks)
  2. Mention two advantages of starching household articles. (2mks)
  3. Mention three ways of saving energy when lighting a home. (3mks)
  4. Give three reasons for removing dirt from the surface. (3mks)
  5. Name four items in a First Aid Kit that can be used to manage burns. (2mks)
  6. Identify two areas in a house where high polishing should not be done. (2mks)
  7. Give two reasons why lemon juice is sometimes added to fruit salads. (2mks)
  8. List two uses of milk in food preparation. (2mks)
  9. State two advantages of using a wooden spoon when cooking food. (2mks)
  10. Define the term ‘night blindness’ (2mks)
  11. Give two functions of phosphorous in the body. (2mks)
  12. What is the meaning of the term ‘management of fullness’ as used in garment construction? (1mk)
  13. Suggest three factors to consider when buying a sewing thread. (3mks)
  14. Give two functions of presser foot when sewing together with the deed-dog. (2mks)
  15. Why overlaid seams are popularly used to attach yokes in garment. (2mks)
  16. Other than burning test, state two ways of identifying textile fibers. (2mks)
  17. Give two reasons why wool is not suitable for underwear. (2mks)
  18. Name two conspicuous and two inconspicuous seams. (2mks)
  19. Identify two methods of buying goods and services. (2mk)

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

  1. Your parents are away for the weekend and have asked you to clean the house thoroughly.
    1. Describe how you would clean oil painted wall in the sitting room. (8mks)
    2. Outline the procedure for laundering a loose coloured cotton t-shirt. (7 ½ mks)
    3. Describe how you would clean a plain wooden chopping board. (4 ½ mks)

SECTION C (40MKS)
Answer any two questions from this section.

  1.                                  
    1. Give four reasons for proper drainage in a home. (4mks)
    2. Explain three disadvantages of open drainage in an area. (8mks)
    3. suggest eight measures to take in the prevention and control of typhoid. (8mks)
  2.                        
    1. Highlight four pieces of information found on a receipt of goods sold. (4mks)
    2. Explain four ways of ventilating a room using windows. (8mks)
    3. Explain four factors that may affect normal foetal development. (8mks)
  3.                        
    1. List six types of sleeves. (3mks)
    2. Identify three types of sleeve opening. (3mks)
    3. Give three feature of a well cut out crown of a sleeve. (3mks)
    4. Describe the process of setting in a plain sleeve. (11mks)

MARKING SCHEME

  1. State two reasons for ironing clothes. (2mks)
    • To kill germs
    • To made dirt resistant.
  2. Mention two advantages of starching household articles. (2mks)
    • To made dirt resistance/to smoothen
    • To strengthen
    • To improve appearance.
  3. Mention three ways of saving energy when lighting a home. (3mks)
    • Use when needed.
    • Using cheap methods of supplying energy.
    • Taking good care of appliances e.g. electrical ones.
  4. Give three reasons for removing dirt from the surface. (3mks)
    • Promote good heath by keeping away germs and bacteria.
    • It helps retain the original appearance of surfaces in the home.
    • To help surfaces stay free from stains therefore remain attractive and in good conditions.
    • To cut down costs by cleaning regularly.
  5. Name four items in a First Aid Kit that can be used to manage burns. (2mks)
    • Petroleum jelly
    • Sterile dressing
    • Pain killer
    • Cotton wool
    • Bandages
    • Gloves
    • Scissors and tweezers.
  6. Identify two areas in a house where high polishing should not be done. (2mks)
    • Bathroom
    • Kitchen
  7. Give two reasons why lemon juice is sometimes added to fruit salads. (2mks)
    • To improve taste.
    • To improve flavor.
    • To add nutrients.
    • To prevent darkening of fruits.
    • To preserve it.
  8. List two uses of milk in food preparation. (2mks)
    • For making sauces
    • For making batters
    • Toe making beverages
    • For making puddings
    • For enriching foods e.g. mashed potatoes
  9. State two advantages of using a wooden spoon when cooking food. (2mks)
    • It is a bad conductor of heat so doesn’t become hot.
    • Doesn’t rust.
    • It doesn’t conduct electricity.
  10. Define the term ‘night blindness’ (2mks)
    • A deficiency disease that occurs due to lack of vitamin A which prevents one from seeing properly at night.
  11. Give two functions of phosphorous in the body. (2mks)
    • It’s necessary together with calcium for normal hardening of bones and teeth.
    • Forms an essential part of nerve and brain tissues and is presented in everybody cell.
    • It is one of the enzymes that controls metabolism of protein, fats and carbohydrates in the body.
    • Phosphorous in form of sodium phosphate helps in maintaining of the current acid base balance of the blood.
  12. What is the meaning of the term ‘management of fullness’ as used in garment construction? (1mk)
    • It is arrangement of excess fabric in various areas so that completed garment has desired shape and style
  13. Suggest three factors to consider when buying a sewing thread. (3mks)
    • Colour should match colour of fabric.
    • Should be strong, smooth and right thickness not to cut easily.
    • Texture should match fabric e.g. cotton for cotton fabric, silk for silk.
    • It should be mercenzed cotton thread for machine stitching.
  14. Give two functions of presser foot when sewing together with the deed-dog. (2mks)
    • Used to hold fabric against feed dog during sewing.
  15. Why overlaid seams are popularly used to attach yokes in garment. (2mks)
    • They are decorative because it appears on R.S
  16. Other than burning test, state two ways of identifying textile fibers. (2mks)
    • Burning test
    • Microscope test
    • Solubility test.
  17. Give two reasons why wool is not suitable for underwear. (2mks)
    • It is heavy so can’t be washed frequently
    • It is heavy so uncomfortable to wear.
    • It is warm so uncomfortable on hot weather.
    • Can’t be soaked during laundry because it is weak.
    • Can easily pull out of shape.
  18. Name two conspicuous and two inconspicuous seams. (2mks)
    • Inconspicuous Conspicuous
    • Open seam French
    • Overlaid seam Machine fell/ double
  19. Identify two methods of buying goods and services. (2mk)
    • Cash buying
    • Credit buying
  20. Your parents are away for the weekend and have asked you to clean the house thoroughly.
    1. Describe how you would clean oil painted wall in the sitting room. (8mks)
      • Collect all the equipments and materials required.
      • Dust with a clean dry cloth.
      • Wipe with a cloth wrung from warm water twice overlapping parts.
      • Change cleaning water and repeat.
      • Rinse with a cloth wrung from warm water overlapping part twice.
      • Finally rinse with a cloth wrung from cold water.
    2. Outline the procedure for laundering a loose coloured cotton t-shirt. (7 ½ mks)
      • Collect all the materials and equipments needed.
      • Shake the t-shirt to remove loose dirt.
      • Wash in warm soapy water using kneading and squeezing method.
      • Rinse in warm water twice to remove traces of dirt colour.
      • Finally rinse in cold water having salt to fix the colour.
      • Iron with warm iron while slihglty clamp on the wrong side while overlapping all parts until it is done.
      • Air fold and store appropriately.
    3. Describe how you would clean a plain wooden chopping board. (4 ½ mks)
      • Collect all the equipment and materials needed.
      • Dust with a clean cloth.
      • Dip scrubbing brush in warm soapy and scrub along the grain.
      • Rinse thoroughly in warm water.
      • Final rinse in cold water to freshen.
      • Wipe with a clean dish cloth to make it dry.
      • Store appropriately.
  21.                        
    1. Give four reasons for proper drainage in a home. (4mks)
      • To keep of bad smell.
      • To ensure that pests do not breed these.
      • To prevent formation of water pools.
      • To avoid dampness in the house.
    2. Explain three disadvantages of open drainage in an area. (8mks)
      • During heavy rains they get flooded and can be dangerous.
      • The ones which are not cemented can cause soil erosion because the edges continue to wear out.
      • People can fall into them and get hurt.
      • They can be unsightly and smelly if they are not cleared constantly.
      • They can be breading place for pests.
    3. Suggest eight measures to take in the prevention and control of typhoid. (8mks)
      • Proper disposal of faeces and urine.
      • Domestic water should be boiled or chlorinated before drinking to kill any bacteria present.
      • Proper hygiene practices such as washing hands before handling food and after visiting the toilet.
      • Food preparation and services utensils should be washed thoroughly before use.
      • Fruits and vegetables should be washed thoroughly in cool water before being served.
  22.                            
    1. Highlight four pieces of information found on a receipt of goods sold. (4mks)
      • The name and address.
      • The date of the sale and exact description of the goods.
      • The quality of the goods.
      • The price charged.
    2. Explain four ways of ventilating a room using windows. (8mks)
      • By use of louver windows.
      • They open simultaneously.
      • They let in fresh air while preventing the raindrops from eternity.
      • By use of fanlight windows.
      • Are small windows which are normally fixed high up on the wall for e.g. in toilets, bathroom and stores.
      • They open towards the outside and are supposed by a catch when fitted with burglar roof bars they may be left open at night to let in fresh air.
      • Use of vertically pivoted windows.
        • This opens vertically. Half of the window opens towards the inside and the other half towards outside, it may be modified to open outside only.
      • By using horizontally pivoted windows.
        • These open horizontally half of the window opens towards the outside and the other half towards the inside.
      • Gliding windows.
        • These open by gliding mainly from side to side.
    3. Explain four factors that may affect normal foetal development. (8mks)
      • Sexually transmitted Infections (STDs)e.g. gonorrhea and syphilis.
        • Gonorrhea can be passed from mother to body during childbirth and handling with contaminated hands especially the eyes and they are not treated, it might lead to blindness.
      • Alcohol and smoking may cause the baby to be underweight during birth.
      • HIV/Aids may cause baby to suffer from full blow Aids and die before the fifth birthday.
      • Drugs have the same effects as alcohol and smoking even prescribed medicines can lead to miscarriage.
      • Trauma, any unpleasant experience that causes distress or anxiety. It causes miscarriage.
      • German measles may deform the foetus occurs during first three months of pregnancy.
      • Nutrient deficiency may cause the baby to be mentally and physically retarded.
  23.                                
    1. List six types of sleeves. (3mks)
      • Puffed sleeve
      • Dolmn sleeve
      • Bell shaped
      • Leg of mutton
      • Raglan
      • Kimono
      • Magyar sleeve/short kimono sleeve.
    2. Identify three types of sleeve opening. (3mks)
      • Continos wrap opening
      • Faced suit opening
      • Bound opening.
    3. Give three feature of a well cut out crown of a sleeve. (3mks)
      • The edge should be smooth and well curved.
      • The notches should be present to be used for balance.
      • It should have a smooth cap.
      • Should be cut on grain.
      • Should be same size as the other.
    4. Describe the process of setting in a plain sleeve. (11mks)
      • Complete side seam and should press both seam flat.
      • Attach sleeve left to left hand side arm hole and right to right hand one work from W.S of garment and R.S of sleeve out.
      • Sup sleeve into arm hole matching side seam and underarm seam crown of sleeve and shoulder seam raw edges of sleeve and armhole and notches.
      • Pin sleeve to garment from under seam up to where gathering begins on both sides front and back.
      • Tie notes on one end of gatherings stitches.
      • Pull stitches together for sleeve to fit in arm hole.
      • Distribute gathers evenly around crown.
      • Pin left the work, pins to be placed across fitting line.
      • Tack along fitting lined round remove pins.
      • Machine from under arm seam
      • Remove tacking and gathering stitches.
      • Iron raw edges evenly to 6mm.

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