Home Science Questions and Answers - Form 3 Mid Term 1 Exams 2022

Questions

1. State two grooming habits that can prevent skin diseases. (2mks)
2. Distinguish between plaque and tartar (6mks)
3. Give three symptoms of shock. (3mks)
4. List four materials suitable for furnishing a living room floor. (2mks)
5. Explain three methods commonly used for draining waste water from the house. (6mks).
6. Outline 3 reasons for soaking clothes before washing. (3mks)
7. Mention 3 ways of enriching porridge. (3mks)
8. Explain four needs of an expectant mother. (8 mks).
   1. Nutritional needs
   2. Physical needs
   3. Emotional needs
   4. Social needs
9. Give 5 reasons why breastfeeding is important. (6mks).
10. Mention the classification of flour mixture (2mks)
11. Give the importance of each, state different ingredients used in cake making. (4mks).
    • Flour –
    • Sugar –
    • Eggs –.
    • Fruits –.
    • Nuts –.
    • Fat –
    • Margarine and butter –
    • Flavorings –.
12. Differentiate between creaming and rubbing. (2 mks)
13. State 3 practices children should be trained on. (3 mks)
14. Explain 3 points to consider when choosing play items (3mks)
15. Mention 2 methods of sterilizing baby’s feeding equipment. (2mks)

Marking Scheme

1. State two grooming habits that can prevent skin diseases. (2mks)
   • Bathing daily
   • Eating a balanced diet rich in vitamins
   • Wearing clean clothes
     
     
2. Distinguish between plaque and tartar (6mks)
   • Plaque – is a sticky substance which forms on teeth surfaces from combination of saliva and food residue. Its removed by brushing your teeth.
   • Tartar – a hard substance on teeth surfaces resulting from hardening of plaque it is removed only by the doctor.
     
     
3. Give three symptoms of shock. (3mks)
   • Cold and sweaty skin.
   • Pale skin.
   • Weak but rapid pulse.
   • Irritability.
   • Profuse thirst and dizziness.
   • Shallow irregular breath.
     
     
4. List four materials suitable for furnishing a living room floor. (2mks)
   • Terrazzo
   • Polish wood
   • Ceramic tiles
   • Cemented floor.
     
     
5. Explain three methods commonly used for draining waste water from the house. (6mks).
   • Free method – throwing waste water somewhere in the compound especially to soak into the soil .
   • Open drainage – used to drain both waste and rain water, the gutters are used to direct water to the main gutter, which eventually carry water away from the building.
   • Concealed drainage – this involves directing waste water away from the house through waste pipes that lead to the main drain. It is suitable where there is piped water.
     
     
6. Outline 3 reasons for soaking clothes before washing. (3mks)
   • Soaking helps to loosen the dirt for easier washing.
   • Soaking heps to soften fired dirt.
   • To dissolve water based stains.
   • To disinfect clothes used by sick person.
   • Soaking helps to soften storch.
     
     
7. Mention 3 ways of enriching pouridge. (3mks)
   • Enrich with milk.
   • Adding of an egg.
   • Adding honey.
   • Adding lemon juice.
   • Adding sugar.
     
     
8. Explain four needs of an expectant mother. (8 mks).
   1. Nutritional needs
      • Should take a balanced diet with extra amounts of iron, calcium, proteins, protective foods and energy giving food.
   2. Physical needs
      • Met through exercise, adequate rest, wearing low healed shoes and loosely fitting clothes.
      • Avoid standing for long periods.
      • Avoid lifting heavy loads.
   3. Emotional needs
      • Met through developing a positive attitude towards pregnancy.
      • Having supportive family members and friends.
      • Getting entertained to relax the mind.
   4. Social needs
      • Met through family playing a supportive role, like providing financial support and relieving her of some of her duties.
        
        
9. Give 5 reasons why breastfeeding is important. (6mks).
   • Breastfeeding milk contains all the nutrients required by the baby in right proportions.
   • Helps the mothers uterus to return back to its normal position.
   • The first milk (colostrum) contains antibodies which build the immune system of the body.
   • Breast milk is always at the right temperature.
   • Breast milk is easy to digest.
   • Breast milk saves on time energy and money because no preparation is required.
   • The boned between mother and the baby is strengthened.
   • Breast milk is free from any contamination.
   • It may be used as a natural planning method as it may reduce ovulation.
     
     
10. Mention the classification of flour mixture (2mks)
    • Batters – thin batters for pancakes, coating batter for fritters.
    • Doughs – dropping consistency for cakes, stiff doughs for bread, pastry and biscuits.
      
      
11. Give the importance of each, state different ingredients used in cake making. (4mks).
    • Flour – Main ingredients which is used to provide glutten.
    • Sugar – used to sweeten and soften the cake.
    • Eggs – the trap air thus aerating the mixture.
    • Fruits – add flavour and nutrients when used in large quantities, they help in preserving and keep the cake moist.
    • Nuts – used to falvour and to add nutrients.
    • Fat – make a cake ‘short’ (shortening gluten strand) rich and keep it from drying during storage.
    • Margarine and butter – gives a pleasant flavour.
    • Flavourings – added to give the cake the desired flavour to a cake.
      
      
12. Differentiate between creaming and rubbing. (2 mks)
    • During creaming margarine and sugar are creamed together while rubbing fat and floor are rubbed together.
      
      
13. State 3 practices children should be trained on. (3 mks).
    • Washing hands before eating.
    • Taking a bath daily.
    • Be responsible for his/her things and for others.
    • Be polite.
    • Feed in an appropriate way.
    • Be considerate.
    • Share possessions with us.
    • Express on self confidently.
    • Have enough sleep.
    • Say ‘thank you’, ‘please’, ‘sorry’.
      
      
14. Explain 3 points to consider when choosing play items (3mks)
    • But unpainted toys since some paints have lead which is poisonous.
    • Choose washable or easy to clean toys.
    • Toys should be too big for a child not to swallow.
    • Choose according to a child’s age to suit their interest and mental growth.
    • The toys should be kept clean since small children put them in their mouths.
    • Should be attractive in order to stimulate their sense of smell and interest.
      
      
15. Mention 2 methods of sterilizing baby’s feeding equipment. (2mks)
    • Boiling them in a sauce pan.
    • Immersing the equipment in a sterilized solution.
    • Using a sterilized kit and placing it in a microwave oven.