Home Science Paper 1 Questions and Answers - Lugari Constituency Joint Pre Mock Exams 2023

• This paper consists of three Sections: A, B and C
• Answer all the questions in sections A and B.
• Answer any two questions from section C.
• All answers must be written in English.

                                                                                     SECTION A (40 MARKS)

                                                                    Answer ALL the questions in the spaces provided

1. State two precautions to take when storing gas cylinders in the home. (2 marks)
2. Suggest two areas in a garment in which darts are used to dispose fullness. (2 marks)
3. Outline two characteristics of well-made gathers.             (2 marks)
4. State two functions of each of the following ingredients in cake making.
   1. Fat (2 marks)
   2. Liquid (2 marks)
5. Mention three sections of a garment where facings are applied. (3 marks)
6. Outline two ways of shortening the cooking time of beef. (2 marks)
7. Mention two areas where shell tucks can be used on a child’s garment. (1 mark)
8. What is an air conditioner? (2 marks)
9. Suggest two types of patches that can be used to repair a torn table cloth.            (1 mark)
10. State two benefits of using lampshades. (2 marks)
11. Explain the following terms;
    1. Inflation (1 mark)
    2. Consumer rights (1 mark)
    3. Detergent  (1 mark)
12. Give two changes which occur in the body of an elderly person affecting the diet.    (2 marks) 
13. State two qualities of a well-made zip opening.   (2 marks)
14. Differentiate between a casing and a hem. (2 marks)
15. State one function of the fishbone stitch. (1 mark)
16. Give three symptoms of Goiter. (3 marks)
17. State two reasons why charcoal must be red hot before roasting meat.         (2marks)
18. Mention four methods of sterilizing bath towels. (2 marks)
19. Differentiate between food spoilage and food poisoning. (2 marks)

                                                                                SECTION B (compulsory).

                                                    Write your answers on the space provided after the question.

20. You mother has requested you to assist her with household chores.
    1. Thorough clean a stained plastic chair. (7 marks)
    2. Launder a coloured  cotton handkerchief. (7 marks)
    3. A neglected painted dining table. (6 marks)

                                                                                 SECTION C

                                                      Answer ANY TWO questions from this section. 

                                        Answers should be written in the space provided after the questions.

21.  
    1. State five points to consider when buying fabrics for soft furnishing.    (5 marks)
    2. Identify three reasons why it would not be advisable to buy a refrigerator on hire purchase. (6marks)     
    3. Explain three principles of food preservation.   (6 marks)
    4. Outline three ways of lengthening a short dress.   (3 marks)
22.  
    1. Give five points on how to ensure the purchase of quality goods by consumers. (5 marks)
    2. Explain five precautions to observe when using an electric iron. (5 marks)
    3. Suggest five precautions to take when caring for the sick to avoid the spread of infection.                                                                                                                   (5marks)
    4. State five qualities of a well made round bottom patch pocket. (5 marks)
23.  
    1. Explain five factors to consider when reheating left over foods (5 marks)
    2. Explain five measures that lead to proper maintenance of clothes (5 marks)
    3. Outline five points to bear in mind when choosing a pair of cutting out shears.    (5 marks)
    4. Describe five factors that determine the efficiency of a detergent. (5 marks)

                                                                         MARKING SCHEME

1. State two precautions to take when storing gas cylinders in the home.            (2 marks)
   • The cylinder should be placed in a lockable chamber
   • Cylinder should be stored on the outer wall of the kitchen
   • It should be stored in a well ventilated place
2. Suggest two areas in a garment in which darts are used to dispose fullness.             (2marks)
   • By giving shape to a garment at the front bustline
   • Front or back waist of dresses or skirts
   • Back or front shoulders
3. Outline two characteristics of well-made gathers       (2marks)
   • Should be evenly distributed in the space provided.
   • Should not form pleats
   • Should not be slanting
4. State two functions of each of the following ingredients in cake making.        (2marks)
   1. Fat (margarine)
      • makes the cake short
      • Keeps the cake moist during storage
      • gives color
      • Improves keeping ability
      • Adds richness to cake
      • Enhances flavour
   2. Liquids e.g eggs and milk
      • Binds the ingredients together
      • Produces steam and gases which help to raise the cake
      • Enhances flavour
      • Improves nutritional value
5. Mention three sections of a garment where facings are applied.
   • Neck line
   • Hem
   • Waist
   • Openings
6. Outline two ways of shortening the cooking time of beef.   (2marks)
   • By tenderizing using a mallet or any physical method
   • By using meat tenderizer eg. Pawpaw juice, lemon juice, tomatoes/marinading
7. Mention two areas where shell tucks can be used on a child’s garment. (1mark)
   • Neckline
   • Armhole
   • Cuff edge of a sleeve
   • Hem of a dress
8. What is an air conditioner?                (2marks)
   • This is a device that absorb stale air from the inside of room and replaces it with fresh cooled air from the outside of a room.
9. Suggest two patches that can be used to repair a torn table cloth. 1mark
   • Calico patch
   • Decorative patch
   • Print patch
10. State three benefits of using lampshades                (3marks)
    • They reduce glare
    • They add beauty to the room
    • They can be used to create different ambiance
11. Explain the following terms;
    • Inflation – It is increase in prices of commodities and services while income remains the same over a given period of time.(1mark)                                  
    • Consumer rights – It is the empowerment of consumers with knowledge that ensures protection against exploitation.     (1mark)       
    • Detergent – It is the substance that aids in the removal of dirt                    (1mark)
12. Changes which occur in the body of an elderly person affecting the diet.                            (2 marks)
    • Loss of teeth.
    • Low rate of metabolism.
    • Reduced sense of taste and smell.
    • Reduced physical activity.
    • Decreased rate of absorption.
    • Decreased level of acidity of gastric juice.
13. Qualities of a well-made zip opening:                               (2 marks)
    • It is neatened at the base.
    • It is strengthened at the base.
    • It is long enough to allow for removal and putting on.
    • Both sides of the zip are equal in length.
    • The zip lies flat onto the garment when closed.
14. Differentiate between a casing and a hem.                               (2 marks)
    • A casing has an opening for inserting elastic/cord while a hem is a method of finishing  an edge.
15. State one function of the fishbone stitch.                                 (1 mark)
    • It is a temporary stitch used to hold a tear before darning. 
16.  Three Symptoms of Goitre:                 (3 marks)
    • irritability
    • tiredness/fatigue
    • weight loss/wasted
    • change of eating habits.
    • swelling of the neck/thyroid gland
    • hoarse voice
    • difficulty in swallowing
17. State two reasons why charcoal must be red hot before roasting meat.                  (2 marks)
    • To quickly dry/harden the surface to seal in juices.
    • To ensure even cooking.
    • To ensure food is free from smoke.
    • To cook faster.
18. Mention four methods of sterilizing bath towels.                  (2 marks)
    • Boiling
    • Fumigation
    • Use of chemical disinfectants e.g jik
    • Use of steam.
    • Drying in the sun
    • Pressing with a hot iron
19. Differentiate between food spoilage and food poisoning.                  (2 marks)

                                                                                             SECTION B

20. You mother has requested you to assist her with household chores.
    1.  Thorough clean a stained plastic chair.         Max.(7 marks)
       • Collect equipment and materials(½)
       • Dust(½)the chairs with a dry cloth(½) remove(½) mud with a blunt stick or wet cloth (½)
       • Clean(½) with warm(½) soapy(½) water using a soft cloth/sisal fibres/sponge(½) from top to bottom/underneath/back(½)
       • Rinse(½) using warm(½) water
       • Final(½) rinse with cold(½) water
       • Remove excessive water(½) using a clean cloth/tum/tilt chair upside down(½) so that water can drain off(½)
       • Buff(½) with a clean(½) dry(½) non fluffy (½) cloth
       • Clean equipment, dry and store(½)
    2. Launder a coloured  cotton handkerchief.     (7 marks)
       • Collect equipment and material(½).
       • Soak(½) in cold (½) salty(½) water for a short time.
       • Wash(½) in warm(½) soapy(½) water using gentle friction(½) method.
       • Rinse(½) in clean warm(½) water(½)
       • Finally(½) rinse in cold(½) water, add vinegar or salt(½)
       • Dry(½) in the shade (½)
       • Iron(½) while slightly damp(½) using a hot(½) iron(½) Air(½) and fold appropriately(½)
       • Clean equipment and store (½).
    3. A neglected painted dining table.     (6 marks)
       • Collect equipment and material(½).
       • Dust(½) with a dry(½) cloth(½).
       • Wipe(½) with a cloth(½) wrung from warm (½) soapy(½) water pay attention to   stained areas.
       • Clean small sections at time(½), overlapping (½), circular(½) motion.
       • Rinse(½) thoroughly with a cloth(½) wrung out of warm(½) water then cold(½) water.
       • Dry(½) with a lintless(½) cloth.
       • Leave in a warm airy place under a shade(½).
       • Clean equipment and materials(½).

                                                                                         SECTION C (40 marks)

21.  
    1. State five points to consider when buying fabrics for soft furnishing.     (5 marks)
       • Easy to launder
       • Crease resistance
       • Shrink resistance
       • Colour fast
       • Drape well
       • Attractive in colour and design
       • Blend well with existing décor
       • Strong so that it does not require frequent replacement.
    2. Discuss THREE reasons it would not be advisable to buy a refrigerator on hire purchase.     (6 marks)
       • The final cost price is higher than the original cost
       • May lead to overspending
       • If the item is not durable it may wear out before final payments are made
       • No discounts are offered on hire-purchase
    3. Explain three principles of food preservation.    (6 marks)
       • Removal of water – dehydrates micros and medium of biological processes
       • Freezing – Inhibits thriving of micros
       • Exclusion of air – Inhibits growth of aerobic micros
       • Use of sugar, salt and chemical preservatives
    4. Outline three ways of lengthening a short dress.     (3 marks)
       • Undoing the hem and making a thin one.
       • Working a yoke on the skirt.
       • Working a frill at the hem
       • Working a false hem.
22.  
    1. Give five points on how to ensure the purchase of quality goods by consumers. (5mks)
       • Buy from reliable and approved dealers who offer quality items.
       • Test and check for good condition and performance of an item before buying
       • Ensure high quality standards of goods by insisting on a warranty guarantee of a given time.
       • Use locally manufactured goods as they are of good quality and also help to offer employment.
       • Check the expiry date.
       • Check for any defect.
       • Insist for an instructional manual
       • Insist for a receipt to show payment.
    2. Explain five precautions to observe when using an electric iron.(explanation 1 mark)    (5marks)
       • Avoid too wet clothes
       • Ensure all wires are corded
       • Place cord away from hot surfaces
       • Unplug when not in use
       • Don’t wrap the supply cable around the iron while it is cooling down
       • Ensure it is cooled completely before storage
       • Ensure the iron is set at the right temperature for the type of fabric
       • Do not immerse in water
    3. State five precautions to take when caring for the sick to avoid the spread of infection.     (5marks)
       • Person minding the sick should wear clean protective clothing.
       • Personal clothes of the sick should be soaked in disinfected water before they are washed.
       • Any repairs done should be after laundry.
       • Washed clothes should be dried outdoor/ and ironed to kill germs.
       • Feeding equipment should be washed separately and disinfected.
       • Protective clothing of the person minding the sick should be washed and disinfected separately from the other family washing.
       • Person minding the sick should wash hands frequently, with clean disinfected water.
       • Tissue papers better than handkerchiefs if they can be afforded.
       • Handle any blood or body fluid - stained items cautiously as they may be contaminated with germs.
       • Room where the patient is should be well lit and be well ventilated.
       • Ensure that the patient is clean all the time.
       • Keep children away from this room.
       • Keep pets away from this room.
    4. State five qualities of a well made round bottom patch pocket. (5mks)
       • Accurately located and shaped.
       • Stitching should be accurate, even, straight and close to the edge.
       • Reinforced at the mouth to prevent tearing
       • Should be flat and neat.
       • Bottom well trimmed and clipped to avoid bulk.
       • Of correct size
       • The mouth should be wide to allow the hand move in and out freely.
       • The pocket should be deep enough to hold the contents.
23.  
    1. Explain five factors to consider when reheating left over foods                  (5 marks)
       • Observe high standards of food hygiene
       • Include fluids to replace what was lost during cooling
       • Vary the cooking method
       • Re-heat food but do not re-cook
       • Garnish the dish well
       • Divide the food in small portions
       • Serve attractively and avoid monotony
       • Cover food with coating to prevent overlooking
    2. Explain five measures that lead to proper maintenance of clothes          (5marks)
       • Wash – use right temperature of water, detergent and agitation
       • Drying – Correct method of removal of moisture e.g. loose coloured in shade, white in sun
       • Storage – woolens hang, cottons fold & store in dry cool place, use a mothballs
       • Stain remove: Remove stain when fresh, immediately, use correct method
       • Proper use: Use cloth for correct purpose, white working, to parties etc
       • Rising: - Temperature of water, severally or thorough for optimum results
       • Repair: - Repair immediately to avoid further damage
       • Sort: - Identify and group clothes in relation to fibre type, user, level of soiling etc.
    3. Outline five points to bear in mind when choosing a pair of cutting out shears            (5marks)         
       • Should be made of rustless metal
       • Should be sharp
       • Should be firmly hinged
       • Should be with one pointed blade
       • Should be with blades long at least 15cm
    4. Discuss five factors that determine the efficiency of a detergent.                  (5 marks)
       • Temperature of the washing water
       • Washing time
       • Type of water hard or soft
       • Mechanical agitation
       • Builders added during manufacture
       • Degree of soiling.