Cleaning the House
12 Grade 10 Home Science questions on Cleaning the House, with worked marking schemes. 12 questions are available on this topic in full.
Question 1
4 marks(a) Classify each of the following household wastes as organic or inorganic: potato peels, broken glass, empty polythene bags, maize stalks. (2 marks)
(b) Explain how organic kitchen waste can be managed so that it benefits the home. (2 marks)
(4 marks)
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1 markA learner wants to improvise a duster for wiping polished wooden furniture using materials found at home. Which material is most suitable?
A. A piece of an old sisal sack
B. A cut piece of nylon scouring pad
C. A bundle of dry banana fibres
D. An old, soft cotton T-shirt
(1 mark)
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6 marksOutline six steps followed in the weekly cleaning of a bedroom. (6 marks)
(6 marks)
Marking scheme
Any six of the following, 1 mark each, in a logical order (6 marks): - Open the windows to let in fresh air - Strip the bed and air the bedding and mattress outside or by the window - Remove mats or rugs and shake or beat them outside - Tidy the room, putting away clothes and removing rubbish - Remove cobwebs and dust from the top downwards (light fittings, window frames, furniture) - Sweep the floor, including under the bed and furniture - Scrub or mop the floor according to the type of floor - Clean the windows and glass surfaces - Polish wooden furniture and the floor where applicable - Return the mats and make the bed with clean linen - Clean and store the cleaning equipment, then wash hands
Question 4
4 marksExplain two reasons why a house should be cleaned regularly. (4 marks)
(4 marks)
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1 markWhen cleaning a toilet, why should bleach never be mixed with an acid-based toilet cleaner?
A. The mixture blocks the drain with solid deposits
B. The mixture releases poisonous chlorine gas
C. The two neutralise each other and stop working
D. The mixture stains porcelain surfaces permanently
(1 mark)
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1 markWhich of the following practices shows correct care of an electric vacuum cleaner after use?
A. Pulling the plug out of the socket by its flex
B. Leaving it plugged in at the socket overnight
C. Rinsing the motor housing in warm soapy water
D. Emptying the dust bag and wiping the casing
(1 mark)
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4 marks(a) Distinguish between loose dirt and fixed dirt. (2 marks)
(b) Explain why loose dirt should be removed before fixed dirt when cleaning a room. (2 marks)
(4 marks)
Marking scheme
(a) 1 mark for each correct description (2 marks): - Loose dirt rests lightly on surfaces and is removed easily by sweeping, dusting, shaking or vacuuming (e.g. dust, crumbs, cobwebs) - Fixed dirt sticks firmly to surfaces and needs water, a cleaning agent and friction such as scrubbing or washing to remove it (e.g. grease, mud stains, food spills) (b) Any two of the following, 1 mark each (2 marks): - If water is applied first, loose dirt turns into mud and is smeared over the surface - Removing loose dirt first exposes the fixed dirt so it can be reached and treated - It saves water, cleaning agents, time and effort - It prevents dirty water spreading dirt to areas already cleaned
Question 8
4 marks(a) Distinguish between daily cleaning and special cleaning of a house. (2 marks)
(b) State two occasions when special cleaning of a house may be necessary. (2 marks)
(4 marks)
Marking scheme
(a) 1 mark for each correct description (2 marks): - Daily cleaning: routine cleaning done every day to remove dirt from daily use, such as making beds, sweeping, dusting, washing dishes and emptying waste bins - Special cleaning: thorough cleaning done occasionally or when the need arises, covering areas not reached in routine cleaning, such as walls, ceilings, curtains and behind heavy furniture (b) Any two of the following, 1 mark each (2 marks): - Before or after festive seasons and celebrations (e.g. Christmas, Eid, weddings) - When moving into or out of a house - After a family member has recovered from an infectious illness - After repairs, renovation or painting - After flooding - Before receiving important visitors or hosting a family gathering - At the end of the year or a set period, as an annual clean-up
Question 9
1 markWhich of the following household practices is an example of re-using waste?
A. Growing seedlings in empty yoghurt tubs
B. Buying foods with less packaging to cut wrappers
C. Burning dry leaves and twigs in a rubbish pit
D. Selling old newspapers to a mill for pulping
(1 mark)
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3 marksA farmer in Trans Nzoia is preparing a granary to store newly harvested maize. Outline three things that should be done when cleaning the granary before the maize is stored. (3 marks)
(3 marks)
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1 markSplashes of cooking fat have dried on the tiled wall behind a cooker. Which cleaning method is most suitable for removing this dirt?
A. Sweeping downwards with a soft-bristled broom
B. Dusting with a clean, dry cotton duster
C. Wiping with hot soapy water, then rinsing
D. Vacuuming with the upholstery brush attachment
(1 mark)
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5 marksDescribe how a pit latrine should be cleaned daily. (5 marks)
(5 marks)
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