Home Science Paper 1 Questions and Answers - Form 4 Term 2 Opener Exams 2023

INSTRUCTIONS

Answer all the questions in the spaces provided.

QUESTIONS

1. Give two reasons for blanching vegetables before freezing. (2mks)
2. List four flavouring used in cake making. (2mks)
3. Mention two methods used to coat foods before deep frying. (2mks)
4. Mention four methods used in steaming food. (2mks)
5. Outline two negative effects of bicarbonate of soda in flour mixtures. (2mks)
6. Give two reasons for using trimmings during garment construction. (2mks)
7. State two disadvantages when using knitted article. (2mks)
8. State two in which the term ‘patch’ can be applied in clothing constructions. (2mks)
9. Suggest two reasons why a knot should not be used while making handmade stitches. (2mks)
10. Outline two qualities of a good tracing wheel. (2mks)
11. Give two reasons why soaking is necessary for cotton and not for woolen fabric. (2mks)
12. State two ways of conserving electricity consumption when lighting a home. (2mks)
13. Define the following terms: (3mks)
    1. Hoe
    2. Tone
    3. Tint
14. List two categories of plastics. (1mk)
15. Give two reasons why expectant mother should know her HIV status. (2mks)
16. Give two reasons why vitreous enamel finish is used on cookers. (2mks)
17. Give two reasons why weaning should be a gradual process. (2mks)
18. Define the term ‘Pre- natal care”. (1mk)
19. Mention two factors that may influence consumers to buy second hand clothes. (2mks)
20. Define the following terms: (3mks)
    1. Consumer protection
    2. Resources
    3. Inflation

SECTION C (20MKS)
ANSWER QUESTION 21 IN THE SPACES PROVIDED.

21. Your grandmother is visiting you for a weekend .
    1.  Describe how you would thorough clean a hurricane lamp for her use. (12mks)
    2. Explain how you would wash her nylon nightdress. (5mks) 

SECTION C
ANSWER ANY TWO QUESTIONS IN THIS SECTION IN THE SPACES PROVIDED.

22.                        
    1. Explain five ways that facilitate quick healing of a sick person. (10mks)
    2. Identify four qualities of a well made permanent stitch. (4mks)
    3. List six methods of controlling fullness in garment construction. (6mks)
23.                            
    1. Discuss four reasons why teenage girls suffer from anorexia. (4mks)
    2. Explain the following terms used in home science. (6mks)
       1. Vegans
       2. Garnishes
       3. Desserts
    3. Explain five hygienic practices that should be observed by people handling food during preparation and cooking. (10mks)
24.                      
    1. Give reasons for the following activities during house cleaning. (5mks)
       1. Sweeping with long, low strokes
       2. Keeping the head of the brooms on the floor.
       3. Washing the painted wall from down upwards.
       4. Overlapping sections during scrubbing.
       5. Buffing up.
    2. Explain five uses of a fan in a room. (5mks)
    3. Suggest five tests carried out on the expectant mother’s blood at the antenatal clinic. (5mks)
    4. Explain five reasons why a family should make budget. (5mks)

MARKING SCHEME

1. Give two reasons for blanching vegetables before freezing. (2mks)
   • To help retain colour
   • To reduce bulk
   • To kill any living organisms
   • To retain nutrients
   •  To stop enzyme activity
2. List four flavouring used in cake making. (2mks)
   • Flavouring used in cake making
   • Vanilla essence (or other essences)
   • Juice of lemon / orange
   • Rind of lemon / orange
   • Chocolate / cocoa / coffee
3. Mention two methods used to coat foods before deep frying. (2mks)
   • Use of eggs and bread crumbs.
   • Use of batter
   • Use of seasoned flour.
4. Mention four methods used in steaming food. (2mks)
   • Methods of steaming food
   • Plate method
   • Bowl steaming method
   • Use of steamer
   • Use of colander
5. Outline two negative effects of bicarbonate of soda in flour mixtures. (2mks)
   • It gives unpleasant taste.
   • It gives unpleasant smell
   • It gives a dark yellow spotting colouration.
6. Give two reasons for using trimmings during garment construction. (2mks)
   • For decoration
   • To emphasize style feature
   • To finish an adage
   • To lengthen a section of a garment.
7. State two disadvantages when using knitted article. (2mks)
   • Ladders very easily
   • Bulges at knees and elbows.
   • Pull out of shape
8. State two in which the term ‘patch’ can be applied in clothing constructions. (2mks)
   • A patch pocket.
   • A method of repairing worn out clothes and household articles.
9. Suggest two reasons why a knot should not be used while making handmade stitches. (2mks)
   • Can tear the fabric
   • Can undo and the stitches damaged.
   • Causes tiny lumps when fabric is pressed.
10. Outline two qualities of a good tracing wheel. (2mks)
    • Wheel handle firmly fixed.
    • Wheel should roll freely.
    • Wheel should be well serrated.
11. Give two reasons why soaking is necessary for cotton and not for woolen fabric. (2mks)
    • Wool is weak when wet while cotton is strong when wet.
    • Wool felt and shrinks while cotton does not.
    • Dirt does not adhere to woolen fabric as much as cotton.
12. State two ways of conserving electricity consumption when lighting a home. (2mks)
    • Use day light as much as possible.
    • Ensure all bulbs are clean.
    • Turn off lights when not in use.
    • Avoid bulbs of high voltage.
    • Lighting should be designed to suit purpose.
13. Define the following terms: (3mks)
    1. Hoe
       • Name of shade or colour.
    2. Tone
       • General effect of a colour or colour scheme e.g. bright, dull.
    3. Tint
       • Colour produced by mixing white and any other colour.
14. List two categories of plastics. (1mk)
    • Thermoplastic
    • Thermosetting
15. Give two reasons why expectant mother should know her HIV status. (2mks)
    • The mother is given care to prevent the transmission of the virus during birth incase they are positive.
    • The mother is given advice on how to care for herself if positive or negative.
16. Give two reasons why vitreous enamel finish is used on cookers. (2mks)
    • It is attractive
    • It is easy to clean and maintain.
17. Give two reasons why weaning should be a gradual process. (2mks)
    • Allow the baby to get accustomed to the new food.
    • Allow mother time to observe the baby for any allergies reactions.
    • To avoid shocking the digestive system.
18. Define the term ‘Pre- natal care”. (1mk)
    • Care given to expectant mothers and before they give birth.
19. Mention two factors that may influence consumers to buy second hand clothes. (2mks)
    • They are relatively cheap.
    • Unique in style and design
    • They come in high quality fabrics.
    • They are readily available.
20. Define the following terms: (3mks)
    1. Consumer protection
       • Safe guarding the consumer exploitation by producers, traders even other consumers.
    2. Resources
       • Tangible or untangible thing that can be used for further goods and services.
    3. Inflation
       • The reduction in value of money or currency.
21. Your grandmother is visiting you for a weekend .
    1. Describe how you would thorough clean a hurricane lamp for her use. (12mks)
       • Protect the working surface ( ½ ) with a newspaper to avoid staining.
       • Remove all movable parts ( ½ ) and empty (1) the oil.
       • Clean ( ½ ) the glass in warm ( ½ ) soapy ( ½ ) water taking care not bang it.
       • Rinse ( ½ ) the glass in cold ( ½ )water and leave to dry.
       • Clean ( ½ ) the metal chimney inside ( ½ ) and outside ( ½ ) to remove soot ( ½ ) and stains.
       • Clean the vent ( ½ ) holes using a brush ( ½ )to remove ( ½ ) and rust.
       • Return ( ½ ) the wick evening ( ½ ) and test it working well.
       • Clean ( ½ ) the equipment used.
    2. Explain how you would wash her nylon nightdress. (5mks)
       • Wash in warm ( ½ ) soapy ( ½ ) water using kneading and squeezing ( ½ ) in warm severally to remove the swap ( ½ ) and dirt.
       • Final rinse in cold ( ½ ) water into which fabric conditioner ( ½ ) has added to get rid of static electricity. ( ½ )
       • Drip dry ( ½ )on the clothes hire under the shade. ( ½ )
       • Iron ( ½ ) the dress using a warm ( ½ ) iron.
       • Air ( ½ ) fold and store ( ½ )
22.            
    1. Explain five ways that facilitate quick healing of a sick person. (10mks)
       • Massage the body to relief pain.
       • Ensuring good ventilation in the room to avoid accumulation of diseases causing micro organisms.
       • Cleaning disinfecting their clothing and personal effects.
       • Keeping them warm or cool depending on the weather.
       • Assisting in physical exercises.
       • Paying attention to changes that may require doctors attention.
       • Attending to them cheerfully.
       • Encouraging conversation and involving them in family discussion.
       • Avoid isolating them and avoid people who would depress them.
    2. Identify four qualities of a well made permanent stitch. (4mks)
       • Colour of thread should match the colour of the fabric unless decorative.
       • Should be evenly stitched (uniform length)
       • Should be firmly stitched (even tension)
       • Should be reinforced at the beginning and at the end.
       • Choose the correct stitch for the right purpose.
    3. List six methods of controlling fullness in garment construction. (6mks)
       • Darts
       • Pleats
       • Easing
       • Shirring
       • Smocking
       • Tucks
       • Gathers
       • Elastic
23.          
    1. Discuss four reasons why teenage girls suffer from anorexia. (4mks)
       • Peer pressure to be slimmer girls convince each other that to be slimmer is more beautiful.
       • Parents neglect to advise youth on proper nutrition.
       • Poor role model where the agencies demand ridiculously small bodies.
       • Low self – esteem.
       • Depression which reduces a person’s appetite.
    2. Explain the following terms used in home science. (6mks)
       1. Vegans
          • Strict vegetation
       2. Garnishes
          • Food items used on serving to enhance the appearance.
       3. Desserts
          • Sweet dish served after the main meal.
    3. Explain five hygienic practices that should be observed by people handling food during preparation and cooking. (10mks)
       • Wearing clean uniforms/aprons and head gear to prevent personal clothes and hair from contaminating food.
       • Clean body, hair and short nails because they can harbor diseases causing micro-organisms.
       • Washing hands before starting to prepare or handle foods and after visiting wash rooms to avoid passing germs to food.
       • Not mixing or putting together raw and cooked foods especially meat and fish to avoid cross contamination.
       • Not touching any body parts/ section or lick fingers to avoid transferring germs to food.
       • Use a spoon to taste food not fingers.
24.              
    1. Give reasons for the following activities during house cleaning. (5mks)
       1. Sweeping with long, low strokes
          • To avoid the blowing about and raising the dust too much.
       2. Keeping the head of the brooms on the floor.
          • To work smoothly and ensure that all the dust are trapped between the bristles.
       3. Washing the painted wall from down upwards.
          • To avoid the formation of tear marks that is difficult to remove.
       4. Overlapping sections during scrubbing.
          • To ensure that no part is left unscrubbed.
       5. Buffing up.
          • To produce a shine / glassy surface by using a dry cloth.
    2. Explain five uses of a fan in a room. (5mks)
       • Get rid of humidity / control humnidity.
       • Get rid of surplus heat from the room.
       • Increase free circulation of air thus reducing concentration of germs.
       • To remove bad odors which develop when people are crowded together.
       • To get rid of pollutant, from the room.
    3. Suggest five tests carried out on the expectant mother’s blood at the antenatal clinic. (5mks)
       • Test for hemoglobin level
       • Rhesus factor identified
       • Test for STI’s and HIV/AIDS
       • Determination of blood group
    4. Explain five reasons why a family should make budget. (5mks)
       • Helps to avoid impulse buying
       • Acts a guide to wise buying
       • Assists families to live within their means
       • It helps a family to save/ have savings as some amount has to be allocated to savings.
       • Provides bases for analyzing the needs of the family.
       • It gives psychological satisfaction to the family members.
       • It creates awareness of the family financial needs and stirs up an initiative of applying other methods of income to supplement their income.
       • It enables one to give priority to essential item in order of their importance.