KCSE Past Papers Home Science 2014
4.13.1 Home Science Paper 1 (441/1)
SECTION A: 40 MARKS
1. Functions of proteins in the body are:
‘ for the growth and repair of damaged tissues.
‘ is a major component of body muscle, brain, haemoglobin, hormones, antibodies.
‘ provides heat and energy when carbohydrates are absent or insufficient.
~ prevents kwashiorkor.
Any 2 x 1 = 2 marks
2. Advantages of using a wooden spoon for cooking.
Does not;
‘ scratch cooking utensils.
‘ make noise while stirring.
‘ conduct heat.
– rust.
‘ bend while in use.
Any 4 X 1/2 =2 marks
3. Reasons for blanching vegetables.
‘ stops the action of enzymes.
~ kills bacteria.
‘ retains nutrients.
‘ retains colour.
‘ reduces bulk.
Any 4 x 1/2 = 2 marks
4. Ways of minimizing fatigue while working in the kitchen.
‘ Using a trolley/tray to cany dishes/ingredients.
‘ Using a hatch between the dinning room and the kitchen.
‘ Using the correct equipment for the task being done.
‘ Placing ingredients and utensils within reach.
‘ Using surface of comfortable height.
‘ Using labour saving equipment.
‘ Using a time plan.
‘ Working in a well lit area.
‘ Dovetailling.
Any 4 X 1/2 = 2 marks
5. Distinguish between garnishing and decoration.
~ Garnishing is adding colourful raw or cooked food items to a savoury dish to make it look attractive and appetising while decorating is adding raw or cooked food items to a sweet dish to make it look attractive and appetising.
6. Definition of ventilation
‘ A process of introducing fresh air into a room and getting rid of stale air from the room. 1 mark
7. Advantages of using gas as a fuel in the home.
It is;
– Clean in use.
‘ Relatively cheap.
‘ Convenient to use.
‘ Easy to control/regulate.
~ Portable.
Any 3 x 1 =3 marks
8. Disadvantages of concealed drainage system.
‘ Expensive to install.
‘ Most suitable Where there is piped Water.
‘ Needs experts to unblock therefore expensive to repair.
Any 2 x 1 = 2 marks
9. Sources of consumer information.
– Mass media.
‘ Manufacturers.
– Consumers.
‘ Government bodies.
‘ Internet.
‘ Exhibition/trade fairs.
Any 2 x = 1 mark
10. Meaning of counterfeit.
It is an imitation of what is a genuine item @ with an intention to deceive/defraud 2 marks
11. Vaccines a child should be given by age of nine months.
‘ BCG( Bacillus Calmette Guerrin )
‘ OPV ( Oral Polio Vaccine )
‘ DPT ( Diptheria, Pertusis/whooping cough, Tetanus )
‘ Hepatitis B, haemophillus Influenza Type B
‘ Pneumococcal vaccine (PCV l0)
‘ Measles
‘ Yellow fever
‘ Vitamin A
12. Uses of the following items in first aid
(i) Safety pin
‘ removing foreign object arising from injury
‘ securing bandages
‘ piercing Any 2 x 1/2 = 1 mark
(ii) Cotton swabs
‘ controlling bleeding
‘ cleaning a wound
‘ applying ointment
Any 2 X = 1 mark
13. Points on the care given to a child with fever at home.
‘ Dress with light clothes.
‘ Give plenty of fluids.
‘ Sponge with a cloth wrung out of warm water.
‘ Give medication to lower the fever.
Any 3 x 1=3 marks
14. Points to consider when sorting clothes for washing.
According to ;
– Use/purpose.
‘ Colour.
‘ Degree of soiling.
~ Age.
– Type of fabric.
‘ State of health.
4 X 1/2 : 2 marks
15. Points to observe when hanging clothes in the wardrobe.
‘ Fasten the garment to retain shape and avoid slipping off / secure skirts and garments with wide necklines on hooks on the hangers with tapes.
– Hang garments straight.
‘ Hang each garment on its own hanger.
‘ Hang similar clothes together for neatness and easy retrieval.
Any2x1:2marks
16. Factors that determine the width of a hem on a garment.
‘ Shape of the edge.
‘ Weight of the fabric.
‘ Style/ design
17. Reasons for using machine fell seam on children’s garments.
It is;
‘ Strong.
~ Flat.
‘ Comfortable to the wearer.
‘ Decorative.
2 x 1 = 2 marks
18. Uses of interfacing in garment construction.
‘ Stiffening to add firmness.
‘ Preventing stretching or sagging.
‘ Giving body or shape.
– Increasing crease resistance.
‘ Giving a crisp tailored look to the area where applied
‘ Obtaining a good knife edge.
3 x 1 = 3 marks
19. Differentiate between a fibre and a fabric.
‘ A fibre is a hairlike unit of raw material from which cloths are made while a fabric is a cloth that is woven or knitted from a yarn/thread.
2 marks
20. Pattern symbols
imageeeee (a) place on fold of fabric 1 mark
(b) ioi Single notch/balance mark 1 mark
SECTION B (20 marks)
21. (a) Factors to consider when setting a table for invited guests.
~ The number of guests.
‘ The number of courses.
‘ The cutlery and crockery required.
‘ The menu.
‘ The occasion
Any 3 x 1 = 3 marks
(b) Procedure to follow when arranging flowers for ®e party.
‘ Ensure the flowers are fresh (not withered).
‘ Take the wire mesh or pin holder and place in the flower vase. ®
‘ Fill the vase three quarter full of water. ® ‘
‘ First ® place the tallest stem G) of foliage and then fill in with depending on the desired shape.®
‘ Avoid using a lot of short stemmed flowers tucked in around the rim ® ‘ Check if the flower arrangement is in order. ®
‘ Adjust appropriately. ®
‘ Avoid overcrowding the flowers. ®
9 marks
(c) Procedure of cleaning a canvas bag.
‘ Collect equipment and materials®
~ Empty the bag
~ Shake ®t0 remove loose dirt.
~ Soak in cold water. ®
~ Wash in warm ® soapy water, ® scrub ,® using a soft ® brush / maize cob, use circular movement. ®
‘ Rinse ® in warm ® water, final rinse ® in cold ® water.
‘ Shake ® to remove excess water and to straighten the fibre.
~ Dry ® on a cloth line.
‘ Store
8 marks
SECTION C: 40 MARKS
22. (a) Details found on bread wrapping. ‘ Weight.
‘ Manufacturer.
‘ Ingredients.
‘ Best before date / sell by date/expiry date.
‘ Contacts of manufacturer.
~ Conditions for storage.
~ Brand name.
‘ Quality assurance mark.
6 X 1/2 = 3 marks
(b) (i) Advantages of budgeting the family income:
0 Acts as a guide to wise buying / helps to avoid impulse buying.
* Assists planning / provides a basis for analysing the needs of the family.
‘ Gives room for saving.
‘ Assists family to live within their means.
~ Enables the family to give priority to essential items.
~ Gives psychological satisfaction.
(ii) Problems faced by consumers in Kenya today.
‘ Lack of money / low financial ability – many consumers may not afford basic needs due to lack of money.
° Counterfeit goods – some goods in the market are not original therefore low quality.
‘ Inflation – leads to price increase therefore consumers spend more on less.
‘ Lack of information – consumer lacking information conceming available goods and services.
~ Lack of awareness of consumer rights – many consumers do not know their rights, thus leading to exploitation.
‘ Scarcity of goods services eg. have money but no goods available.
2 x 2 = 4 marks
(c) (i) Principles of food preservation.
‘ Application of heat.
‘ Removal of water / moisture / dehydration.
‘ Exclusion of air / oxygen.
‘ Reduction of temperature.
‘ Application of preservatives / chemicals.
Any 2 x 1 = 2 marks
(ii) Disadvantages of preserving food.
‘ May lead to destruction of some nutrients.
‘ Food may change in taste/flavour and colour.
‘ May lead to food poisoning if poorly preserved.
* Some foods are rendered unsuitable to some groups of people.
Any 2 x 2 = 4 marks
(d) Process of making yeast mixtures.
(i) Fermentation.
(ii) Mixing.
(m) First kneading.
(iv) First proving.
(v) Second kneading.
(vi) Shaping.
(vii) Second proving.
(viii) Baking.
Well arranged 8 x 1/2 = 4 marks 23. (a) (i) Materials suitable for finishing floors in a living room.
‘ Ceramic tiles / PVC tiles.
‘ Cement.
‘ Wood.
‘ Linoleum.
~ Thermoplastic.
– Marble.
(ii) Activities that take place in a living room.
Reading / studying.
Listening to music.
Watching television.
Taking meals.
Entertaining visitors.
Relaxing.
Playing indoor games.
Holding meetings.
(b) Functions of each of the following in relation to pregnancy.
Placenta
‘ Provision of oxygen to the foetus.
‘ Provision of nutrients to the foetus.
~ Assists in excretion.
‘ Filters harmful substances.
Amniotic fluid
~ Helps the foetus to move.
‘ Acts as a shock absorber.
– Lubricates body parts.
‘ Helps foetus lungs to develop.
‘ Keeps the foetus Warm.
(c) Procedure of caring for a household duster after use.
Shake G) outside after use/remove any unwanted material.
Soak ®in cold water.
Wash G) thoroughly in warm G) soapy water.
Rinse ® in warm water® and finally in cold ® Water to refreshen ® the fabric.
Dry in the open ® air.
Store ® in a dry well ventilated ® place.
Ways of enhancing personal health.
Eat a balanced diet.
Get adequate sleep and rest.
Exercise regularly.
Take plenty of water.
‘ Have regular medical check up.
‘ Maintain positive mental attitude.
‘ Well fitting clothes/shoes.
Any 5 x 1 = 5 marks
24. (a) Methods of softening temporary hard water for laundry Work.
By:
– Boiling.
‘ Addition of commercial water softeners.
‘ Use of sodium carbonate.
‘ Adding slaked lime (calcium hydroxide).
Any 4 x 1 = 4 marks
(b) Points to observe When working hand stitches:
~ Use correct size of needle and thread for the fabric.
~ Use correct tension.
‘ Choose correct stitch for the intended purpose.
‘ Use colour of thread that matches that of fabric except when decorating.
‘ Use a thimble to push needle.
‘ fasten on and off.
4 x 1 = 4 marks
(c) Qualities of a well made patch on a pillow case.
‘ Should lie flat.
‘ Should be inconspicuous unless decorative.
– Should be of the correct weight in relation to the article.
‘ Should match in grain with the article.
‘ Stitching should be done close to the edge.
~ The edges should be Well tucked in
4 x 1 = 4 marks
(d) Properties of linen that make it suitable for bedsheets.
‘ Is a good conductor of heat so keeps the body cool When hot and warm when cold ‘ Is absorbent so it is comfortable.
‘ Is strong to Withstand frequent laundering and strong detergents.
‘ Can Withstand high temperature so it can be sterilized by boiling and ironing.
‘ Does not generate static electricity, so Will not get dirty fast.
‘ Dyes easily making it possible to obtain variety in colours.
0 Lustrous making it appealing to the eye.
4 x 2 : 8 marks
4.13.2 Home Science Paper 2 (441/2)
