KCSE HOME SCIENCE QUESTIONS AND ANSWERS - ATIKA SCHOOL

Explain four factors that may affect normal foetal development.

3/6/2020

Explain four factors that may affect normal foetal development.

Alcohol consumption by the mother
May cause the baby to be underweight during birth
Smoking by the mother - may cause underweight and respiratory diseases.
Trauma
Any unpleasant experience that causes distress for an expectant mother can cause miscarriage.
Drugs
May cause the baby to be underweight during birth, others may lead to miscarriage.
German measles
May deform the foetus if it occurs during the first three months of pregnancy.
Nutrient deficiency
May cause the baby to be mentally and physically retarded.
STI's may cause: still births, damage to nervous system, blindness, eye and ear infections, genital herpes.
HIV/AIDS: the child gets infected with HIV.

Explain four ways of ventilating a room using windows.

3/6/2020

Explain four ways of ventilating a room using windows.

Highlight four pieces of information found on a receipt of goods sold.

3/6/2020

Highlight four pieces of information found on a receipt of goods sold.

Name and address of the seller
Date of the sale
An exact description of goods sold
The quantity of goods sold
The price charged.

Explain four factors to consider when choosing a seam in garment construction.

3/6/2020

Explain four factors to consider when choosing a seam in garment construction.

Classify laundry equipment and in each case give two examples.

3/6/2020

Classify laundry equipment and in each case give two examples.

For washing, for example basins, buckets, laundry brushes, boilers, washing machines
For drying, for example clotheslines, pegs, drying racks, dryers, mangles
For finishing, for example iron box, ironing board, ironing surfaces
For storage, for example drawers, cupboards, trunks

Outline four qualities of a well made cuff.

3/6/2020

Outline four qualities of a well made cuff.

The cuff and the under cuff should be of the same size.
Even width on both the cuff and the under cuff.
Should be flat
Good knife edge
The right proportion to the rest of the garment
Should fit the wearer well

Explain how the following factors influence consumer buying:inflation;family set up;time and energy and self image.

3/6/2020

Explain how the following factors influence consumer buying:inflation;family set up;time and energy and self image.

Inflation: prices increase but income remains the same, thus reducing the purchasing power of a consumer.
Family set up: the stage at which the family is dictates what is to be bought.
Time and energy: any limitation of time and energy will affect the shopping as one may not have time to do comparative shopping.
Self-image: The desire to portray a certain status may influence one to spend above their means

Outline six reasons for including fruit salad in a meal.

3/6/2020

Outline six reasons for including fruit salad in a meal.

improves appetite/makes the meal attractive/appealing
provides nutrients in the meal
provides variety in the menu
provides variety in the colour
provides variety in the texture
provides variety in the flavour
provides roughage / assists in digestion

Explain three general rules to observe when making batters.

3/6/2020

Explain three general rules to observe when making batters.

Sieve the dry ingredients together in order to mix them well and incorporate air.
Add only half the amount of the liquid together with the egg in order to form a thick mixture that can be beaten to incorporate air and avoid lumps.
Beat the mixture well for 5 - 10 minutes using a wooden spoon to incorporate as much air as possible.
When the surface of the batter is filled with air bubbles, add the remaining of the liquid to obtain the right consistency.
Cover the bowl and leave to stand so that the starch grains can absorb the liquids before cooking.

You are at home over the weekend. Outline the procedure you would use for each of the following:

3/6/2020

You are at home over the weekend. Outline the procedure you would use for each of the following:

Identify three ways of attaching a collar to the neckline.

3/6/2020

Identify three ways of attaching a collar to the neckline.

using a crossway strip/binding
sandwiching the collar between the facing and the garment
self neatenin
using a band

State two factors to consider when fixing a zip on a garment.

3/6/2020

State two factors to consider when fixing a zip on a garment.

consider weight of the fabric
sew on after opening has been made and pressed
fix on double layer of fabric
align zip to the opening

Outline two reasons for blending fibres.

3/6/2020

Outline two reasons for blending fibres.

To improve quality of fibres
To make fabrics affordable
To provide variety

Give three points to consider when selecting the fabric to use when practising stitching for beginners.

3/6/2020

Give three points to consider when selecting the fabric to use when practising stitching for beginners.

easy to press;
not slippery
non fraying
strong
cheap
readily available
lightweight fabric/not heavy

State two advantages of using soft water in laundry work

3/6/2020

State two advantages of using soft water in laundry work

less detergent is used
lathers easily with soap/saves time/saves energy
does not form scum
gentle on the hands

Give the main reason for repairing clothes before laundering.

3/6/2020

Give the main reason for repairing clothes before laundering.

to avoid further damage to the clothes

Name two examples of builders added to soaps and soapless detergents during manufacture.

3/6/2020

Name two examples of builders added to soaps and soapless detergents during manufacture.

sodium carbonate
borax
sodium sulphate
sodium silicate

Highlight two advantages of having labels on consumer products.

3/6/2020

Highlight two advantages of having labels on consumer products.

To know the content of the product
To know how to use or take the product/instructions for use
To know the brand name of the product
To know the manufacturer
To know the expiry date of the product
To know the quantity packaged/size/weight

Differentiate between a need and a want.

3/6/2020

Differentiate between a need and a want.

A need is what we require to live while a want includes everything else we might like to have but we do not necessarily require to survive.

State two factors to consider when caring for a pit latrine

3/6/2020

State two factors to consider when caring for a pit latrine

clean the floor according to the type
sprinkle ashes in and around the hole
cover the hole
close the latrine door
use disinfectants
smoking

State two advantages of regular cleaning of household items.

3/6/2020

State two advantages of regular cleaning of household items.

increases lifespan of items
less energy is used when cleaning
economical on cleaning materials
improves appearance
psychological satisfaction

Name four locally available materials that can be used to improvise cleaning abrasives.

3/6/2020

Name four locally available materials that can be used to improvise cleaning abrasives.

Charcoal
Ash
Sand
Rough leaves
Sisal
Seeds

Distinguish between a cesspool and a soak pit.

3/6/2020

Distinguish between a cesspool and a soak pit.

A cesspool is a concrete tank built underground to cater for drainage of one or a few homes and emptied regularly while a soak pit is dug into the ground and then filled with layers of large and small stones and covered with soil. Waste water drains into the pit and soaks gradually into the surrounding soil.

Identify two ways of meeting the emotional needs of a patient recuperating at home.

3/6/2020

Identify two ways of meeting the emotional needs of a patient recuperating at home.

Ways of meeting the emotional needs of’ a patient recuperating at home
Reassure the patient that all will be well
Encourage activities to lessen boredom for example reading, watching TV, knitting etc
Avoid discussing worrying issues either with the patient or in his/her presence
Counselling the patient so that she/he can develop a positive attitude towards the illness.
Appearing happy and enthusiastic when assisting the patient.
Make the room appealing to cheer up the patient e.g. put flowers.

State two ways of enhancing personal appearance.

3/6/2020

State two ways of enhancing personal appearance.

proper care of the body by maintaining cleanliness
wearing clean well maintained clothes
keeping the hair neat
correct use of cosmetics,jewellery and accessories

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