Home Science Paper 1 Questions and Answers - Baringo North Joint Evaluation Mock Exams 2022

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INSTRUCTIONS TO CANDIDATES

  • This paper contains 3 sections: A, B and C
  • Answer ALL questions in section A and B and choose any TWO from section C
  • Candidates should answer the questions in English.

SECTION A: (40 MARKS)
Attempt ALL questions in this section. Write answers in the spaces provided

  1. Point out two non-decorative patches in repair of clothes and household article (1 mark
  2. Note down two effects of deep-frying protein foods without coating (2 mark)
  3. Give two measuring tools in needlework. (1 mark)
  4. Point out the major difference between cotton and wool viewed under a microscope (1 mark)
  5. Explain the meaning of the term dredge as used in flour mixtures (1 mark)
  6. Give two uses of salt in laundry work (1 mark)
  7. What is consumer education (1mark)
  8. Outline two major signs of goiter (1 mark)
  9. Suggest two other methods of storing clothes and household linen apart from folding (1 mark)
  10. State two factors that make biogas an unpopular fuel. (2 mark)
  11. Give two reasons for serving water in a meal (2 mark)
  12. Outline two advantages of using a potato peeler over a kitchen knife. (2 mark)
  13. Give two suggestions for painting your ceiling boards with a light colour. (2 mark)
  14. State two advantages of choosing boiling as a method of cooking (1 mark)
  15. Explain how preservation is achieved through smoking (1 mark)
  16. Outline two ways of achieving shirring in disposal of fullness (1 mark)
  17. Give two disadvantages of prolonged use of convenience foods (1 mark)
  18. List two ways of saving time and energy during cooking. (2 mark)
  19. Describe how to take hip measurements (2 mark)
  20. What is rinsing as used in laundry work (1 mark)
  21. Point out two uses of temporary stitches in clothing construction (1 mark)
  22. Name two special treatments done before final rinsing (1 mark)
  23. State two disadvantages of using powdered formulae to feed the baby (2 mark)
  24. Give two factors that determine the length of a skirt (1 mark)
  25. Give two sources of natural food poisoning (1 mark)
  26. List two qualities of a good girls’ teddy bear (2 mark)
  27. State two methods of attaching collars (1 mark)
  28. Outline two uses of interfacing (1 mark)
  29. Give two reasons why soaking of wooden handled Knives is discouraged. (2marks)
  30. Name two components of a two-course meal. (1 mark)

SECTION B: (20 MARKS) Compulsory
Today is your cleaning day;

  1.      
    1. Launder a white cotton tea towel ( 9 mks)
    2. launder a loose coloured shirt . (8 mks)
    3. Outline steps to follow when cleaning water glasses (5 marks)

SECTION C: (40 MARKS)
Answer any TWO questions from this section in the spaces provided at the end of this section.

  1.          
    1. State reasons for including vitamin C (Ascorbic acid)in our diet daily. (4 marks)
    2. Negative effects of advertisement to the consumer (4 marks)
    3. Giving a reason, mention four blood tests carried out in an antenatal clinic (4 marks)
    4.  Mention four ways through which an individual may suffer from anaemia. (4 marks)
    5. Describe four methods used to transfer pattern markings (4 marks)
  2.   
    1. You are giving a talk on care of invalids. Give four points you would include on preventive measures (4 marks)
    2. Explain four points importance of preparing a shopping list before going for shopping (4 marks)
    3. Identify four ways in which measles can be managed in infants. (4 marks)
    4. Give four benefits of vitamin B2 in the human body (4 marks)
    5. Balance points are matched with other similar ones. Point out four areas where they are (4 marks) likely to be put on a garment
  3.    
    1. Outline four factors to bear in mind when picking flowers to arrange (4 marks)
    2. Explain the following terms as used in consumer education; (4 marks)
    3. State four principles used when administering first Aid to a victim of poison (4 marks)
    4. State and explain four nutrient conservation measures taken during food preparation before cooking (4 marks)
    5. Use the pattern below to describe the working of an inverted pleat (4 marks)
      Include a clearly labelled diagram.

Marking Scheme

  1. Point out two non-decorative patches in repair of clothes and household article (1 mark)
    • Calico patch
    • Print patch
  2.  Note down two effects of deep-frying protein foods without coating (2 mark)
    • Burnt products
    • Loss of food extracts
    • Oil sogged food
    • Broken or flacking food
  3. Give two measuring tools in needlework. (1 mark)
    • Tape measure
    • Measuring gauge
    • Metre stick/rule
  4. Point out the major difference of cotton and wool viewed under a microscope (1 mark)
    • Cotton is seen flat, twisted ribbon like, while wool is seen overlapping with irregular scales on the longitudinal view.
    • Cotton is kidney shaped, while wool is circular/round on the cross-sectional view
  5. Explain the term dredge as used in flour mixtures
    • To sprinkle lightly with powder using a perforated container (flour, salt, pepper, castor, sugar) (1 mark)
  6. Give two uses of salt in laundry work (1 mark)
    • Fix colour in loose coloured clothes
    • Dissolve mucus and blood stains
    • Disinfect
    • Prevent fruits stains from spreading
  7. What is consumer education (1mark)
    • It is information that makes people aware of goods and services available and their rights as
    • Consumers to avoid being exploited.
  8. Outline two major signs of goiter (1 mark)
    • Enlargement of the thyroid gland
    • Irritability
    • Weight loss
  9. Change of eating habits (1 mark)
    • Suggest two other methods of storing clothes and household linen apart from folding =--
    • hanging
    • rolling (1 mark)
  10. State two factors that make biogas an unpopular fuel.
    • high cost of installation
    • Requires a large space for setting up
    • Has a bad smell (2 mark)
  11. Give two reasons for serving water in a meal (2 mark)
    • Aids in the digestion
    • Management of choking
    • Clear throat
  12. Outline two advantages of using a potato peeler over a kitchen knife. (2 mark)
    • It does not cut deep into the potato or carrot hence minimize waste.
    • Lessens the risk of cutting one’s fingers
    • Its fast, saves on time
  13. Give two suggestions for painting your ceiling boards with a light colour. (2 mark)
    • To reflect light more into the house
    • To improve its appearance
    • Give an illusion of increased heights of the ceiling
    • to give a warm effect
  14. State two advantages of choosing boiling as a method of cooking (1 mark)
    • It softens tough foods
    • It does not need a lot of skills
    • The liquid can be used to make soup/sauce
    • It is a simple method that requires little attention
  15. Explain how preservation is achieved through smoking (1 mark)
    • Removal of water
    • Formation of protected layer
  16. Outline two ways of achieving shirring in disposal of fullness (1 mark)
    • Use running stitches
    • Use shirring /elastic threads
    • Use longest machine stitches
  17. Give two disadvantages of prolonged use of convenience foods (1 mark)
    • Addictive in nature
    • Preservation may be hazardous to health
  18. List two ways of saving time and energy during cooking. (2 mark)
    • Dove tail
    • Correct sequencing
    • use of a pressure cooker
    • Covering food while cooking
    • Soaking dry grains
  19. Describe how to take hip measurements (2 mark)
    • Measure around the fullest part of hip with two fingers in between tape measure and Body.
  20. What is rinsing as used in laundry work (1 mark)
    • It is the removal of dirt and soap from washed articles using clean warm water
  21. Point out two uses of temporary stitches in clothing construction (1 mark)
    • Transfer pattern marking onto materials
    • Hold seams together before permanent stitch
    • Guide machine stitches
    • Holds parts together e.g. basting on pleats, collars, pockets
  22. Name two special treatment done before final rinsing (1 mark)
    • Stain removal
    • Disinfecting by boiling, chemical disinfectants
  23. State two disadvantages of using powdered formulae to feed the baby (2 mark)
    • Chances of contamination in the mixing of bottles if not sterile
    • They are very expensive
  24. Give two factors that determine the length of a skirt (1 mark)
    • Fashion
    • Moral values
    • Occasion
    • Personal Preference-Height of the wearer
  25. Give two sources of natural food poisoning (1 mark)
    • Grains stored in damp condition producing aflatoxin
    • Poisonous parts of food (cassava)
  26. List two qualities of a good girls’ teddy bear (2 mark)
    • Should be attractive in colour
    • Should be easy to clean
    • Should be well designed
    • Should be of appropriate size depending on the age of the child
    • should be light in weight
  27. State two methods of attaching collars (1 mark)
    • Use of crossway strip or binding.
    • Attaching by sandwiching it between the facings/revers/
    • Self-neatening metho
  28. Outline two uses of interfacing (1 mark)
    • Increasing crease resistance
    • Obtaining a good knife edge
    • Prevent stretching or sagging
    • Stiffening to add firmness
    • To give body or shape
    • To add warmth
  29. Give two reasons why soaking of wooden handled
    • Knives is discouraged. (2 mark)
    • Wood will be discoloured
    • Wood will warp
    • Hinges at the joints may loosen
    • Can cause cut
    • Some knives rust
    • Handles may rot.
  30. Name two components of a two-course meal. (1 mark)
    • Appetizer/dessert
    • Main meal
  31. Today is your cleaning day;
    1. Launder a white cotton tea towel (8mks)
      • Soak(½) in cold(½) water
      • Wash in hand hot(½) soapy(½) water using friction(½) method
      • Rinse (½)severely in warm(½) water
      • Boil to disinfect(½)
      • Finally rinse(½) in cold(½) water
      • Dry(½) in under the sun(½)
      • Iron with a fairly hot iron(½)
      • Air(½)
      • Fold(½) and store(½) appropriately
    2. Procedure for laundering loose coloured shirt. (9mks)
      • Shake(½) the article to remove loose dirt(½)
      • Wash in warm(½) soapy (½)water
      • Wash quickly in a little water using kneading and squeezing (½)method
      • Rinse(½) in warm(½) water until all traces of soap are removed
      • Final rinse(½) in cold(½) water into which salt(½) is added
      • Dry flat(½) under shade W.S(½)
      • Iron while still damp (½)using a moderately(½) hot iron on the W.S (½)
      • Air(½)
      • Fold (½)and store (½)appropriately
    3. Outline steps to follow when cleaning water glasses (5 marks)
      • Wash(½) in hot (½)soapy(½) water using a soft piece of cloth/sponge(½)
      • Rinse(½) thoroughly in clean hot(½) water
      • Dry(½) on a rack upside down
      • Buff (½)using a clean(½) dry non fluffy cloth
      • Store(½) appropriately
  32.            
    1. Reasons for including vitamin C (Ascorbic acid)in our diet daily. ( 4mks)
      • Helps in absorption of iron in the body therefore prevents anaemia.
      • Maintains a healthy skin.
      • Normal growth in children.
      • Formation of scar-tissue during recovery from an injury.
      • Prevents scurvy.
      • Excess isn’t stored in the body.
        (4marks)
    2. Negative effects of advertisement to the consumer (4 marks)
      • Deceptive advertisements mislead the consumer due to the urge to sell
      • Goes against the values of the society
      • Leads to wrong prioritization-goods and service bought do not satisfy most important needs
      • Inferior quality of goods and services-products bought does not perform all the expectation of the consumer
      • Can lead to impulse buying-buying something one had not planned to buy
      • Can lead to overspending-buying beyond ones means
      • Goods are bought before comparing prices
    3. Giving a reason, mention four blood tests carried out in an antenatal clinic (4 marks)
      • Rhesus factor-to check if the rhesus factor is negative or positive. If mothers rhesus factor is negative the problem is dealt with by the doctors
      • Haemoglobin level-to check if the mother is anemic or normal. If anaemic, iron and folic acid tablets and dietary advice is given
      • Rubella or measles-to check if she is immune to rubella or measles
      • Blood group-to determine blood group whether AB, O, A, B
      • HIV testing- to understand the implication of a positive or negative result on the baby.
    4. Mention four ways through which an individual may suffer from anaemia. (4 marks)
      • Excess menstruation
      • Injury with excessive bleeding
      • Child birth
      • Late weaning
      • Poor balanced diet
      • Chronic malaria/hookworm infection
      • Lack of vitamin B12
      • Deformed red blood cells
    5. Describe four methods used to transfer pattern markings (4 marks)
      • Use of tailor’s tacks-make a double stitch through the pattern mark and fabric
      • Pull leaving 2 cm thread at the end and leave a loop before the next stitch.
      • Cut at the top to separate the loops
      • Use of a tracing wheel and carbon papers-place carbon paper between the pattern piece with the waxed side of the fabric. Use a tracing wheel to trace out the mark.
      • Using a tailoring chalk-chalk of contrasting colour is used to transfer the pattern on the fabric
      • Thread marking-work out a series of loop stitches on the stitching line using double thread. Cut the loops at the top. Separate the two layers to get tuffs of thread.
  33.        
    1. You are giving a talk on care of invalids. Give four points you would include on preventive measures (4 marks)
      • Wear protective clothing
      • Personal effects be soaked in water with disinfectant
      • Personal effects should be washed separately
      • Attendants hands should be washed in water and disinfectant
    2. Explain four importance of preparing a shopping list before going for shopping (4 marks)
      • To ensure nothing important is forgotten
      • Items are put in orders of priority to ensure that the important items are catered for first.
      • Help one to stay within list of items intended to buy
      • Reduce chances of overspending-buying beyond ones means/Sticks within budget
      • Reduce impulse buying –buying goods one had not planned to buy
    3. Identify four ways in which measles can be managed in infants. (4 marks)
      • Isolate the child
      • If high fever use a damp cloth wrung out of warm water to dab to regulate temperatures
      • Bed rest
      • Give plenty of fluids to prevent dehydration
      • Clean the eyes with clean saline water
      • Keep the child away from very strong lights
      • Consult doctors to avoid complications
    4. Give four benefits of vitamin B2 in the human body (4 marks)
      • Maintains a healthy skin
      • Helps body use carbon dioxide and proteins
      • Promotes growth
      • Maintains good appetite
      • Prevents formation of cracks and sores in skin and corners of the mouth
      • Prevent tongue from becoming sore
    5. Balance points are matched with other similar ones. Point out four areas where they are likely to be put on a garment (4 marks)
      • Where two seams meet
      • Where gathers or easing should be worked
      • Where the sleeve top and shoulder seam meet
  34.    
    1. Outline four factors to bear in mind when picking flowers to arrange (4 marks)
      • Pick according to arrangement
      • Pick in the morning or evening –coolest time of the day/fresh
      • Pick and put in cold water awaiting arrangements
      • Pick enough greens/foliage to cool down colours.
    2. Explain the following terms as used in consumer education; (4 marks)
      • Fixed expenditure-expenses which are a must and unchangeable (bills, school, fees, loans)
      • Consumer exploitation –a consumer buys goods and services but does not achieve value for his money.
    3. State four principles used when administering first Aid to a victim of poison (4 marks)
      • If poison is acidic give an alkaline drink to neutralize
      • If poison is alkaline give an acidic fruit juice
      • If poison is not corrosive, induce vomiting
      • If poison is corrosive don’t induce vomiting
      • Victims to vomit bending to prevent the vomiting getting into the lungs
    4. State and explain four nutrient conservation measures taken during food preparation before cooking (4 marks)
      • Do not soak vegetables and fruits in washing water because it dissolves nutrients
      • Wash fruits in cold water because hot water destroys heat sensitive vitamins
      • Wash the vegetables before chopping/cutting to avoid loss of vitamins and nutrients
      • Which dissolves in water
      • Buy vegetables when they are fresh
      • Shred/cut/chop before cooking because exposing for long periods causes oxidation of
      • vitamins
      • Avoid buying large quantities of vegetables and fruits that requires storage as it causes nutrients loss
      • Whenever possible take fruits in their raw form because there are more nutritious.
    5. Use the pattern markings below to describe the working of an inverted pleat (4 marks) Include a clearly labelled diagram.

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