Category: Science for upper primary schools
Why is water grouped under renewable resource?
It cannot be exhausted Can be replaced when used has endless supply The most popular renewable energy sources currently are: Solar energy. Wind energy. Hydro ... Read More
How is sun-drying helpful in the preservation of food crops?
Reduce water content and dry them Read More
Apart from taking wrong dose, give one other way in which drugs are misused.
Taking drugs when not sick Taking drugs for wrong disease Taking drug at wrong time Sharing drug with another person Read More
How is BCG vaccine different from the polio vaccine in the way they are given to children.
BCG vaccine is administered through injection while polio vaccine is administered orally. Read More
Give any one disadvantage of harvesting honey using fire
Kills bees Buns the hive Make honey dirty Melt honey comb Read More
State one way in which echo can be reduced in a hall.
Use of blanket Putting ceiling boards Thick carpet curtains Read More
Give any one exotic breed of sheep kept for wool production.
Romney marsh, Merino, Rambouillet, Blue Faced Leicester, and Corriedale Read More
State any two effects of alcoholism to an individual.
Damage liver and brain Neglect of responsibilities Poverty Accident and death Read More
Give any two ways in which alcohol is used in hospitals.
sterilizing medical equipment solvent for drugs disinfects wound Read More
Apart from being used as food, give two other ways in which honey is useful to people
medicine making alcohol Sweetening food Making preservatives Read More
State any two ways in which family members can care for vulnerable women.
provide balance diet help with domestic work Counsel and guidance Read More
Give any two conditions in which women are vulnerable
When sick When pregnant When old Read More
State any two ways in which natural fertilizers are better than artificial fertilizers.
They stay longer in the soil they are cheap Do not require skill to apply Improve soil texture Provide a variety of nutrients Read More
Give two examples of natural fertilizers
Green fertilizer Composite fertilizers Read More
State one reason why farmer stake tomato plants.
To prevent tomatoes from rotting To make weeding easy Read More
Give the importance of plants in a food chain.
Produce food by the process of photosynthesis. Read More
State any one way in which smoking affects the human respiratory system.
Causes lung cancer, Damages the lungs causes pneumonia Read More
Give any one reason why sheep farmers carry out docking.
To make mating easy i.e. docking cutting off sheep’s tail Read More
Give any one way in which a VIP latrine is different from an ordinary pit latrine.
A VIP latrine has - a screen which traps flies - vent pipe - no lid Read More
Why are sun bird able to suck nectar from the bottom of the flowers?
Sun bird has a long slender beak to reach nectar Read More
28. Why tepid sponging is an important First Aid to a person with high fever?
A tepid sponge reduces body temperature. It is a cloth wetted with lukewarm water. Read More
Give one way in which mosses are similar to mushrooms in the way they reproduce.
Both reproduce by means of spores Read More
State the role of enzymes during food digestion.
Breakdown food into absorbable form Read More
Which element of primary Health care helps to prevent tooth decay?
Personal hygiene or dental care Read More
Give one reason why pregnant mothers are advised to feed on food rich in proteins
To enable the fetus grow well. Read More
Give the use of a drenching gun to cattle farmer.
A drenching gun is used to administer drugs to animals Read More
Why a fish does dies soon after it has been removed from water?
Due to lack of oxygen Note that a fish obtain oxygen from water through the gills. Read More
Mention one permanent method of birth control in males..
Vasectomy: in vasectomy sperm ducts are cut and tied Read More
Why do some plants shed their leaves during dry season?
Plants shed off their leaves to reduce water loss by evaporation or transpiration Read More
ways in which the spread of scabies can be prevented.
Avoid body contact with infected person Avoid sharing clothes and comb Early treatment with calamine or benzylbenzoate Read More
Why is water obtained by distillation method not good for drinking?
Lacks useful mineral salts such as calcium for strengthening bones, sodium and magnesium Read More
State the difference between the feeding of tape worm and a Hook worm.
Tape worm absorb digested food in the intestines whereas hook worm feed on blood Read More
Ways in which drought affects food production in a community.
Dries crop Reduced yield decreased fertility, poor animal health high production cost rise in livestock mortality Read More
Ways in which litter is important in a poultry house.
Absorbs moisture and keeps the house dry Insulates the house and keep it warm Cushions the floor and reduce egg breakage Read More
Reasons why drugs should be kept away from children.
avoid children taking over dose prevent children from taking poisonous drugs to prevent children from contaminating the drug to prevent children from spoiling drugs children ... Read More
PLE (Primary Leaving examination) Science 2012 marking guide
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PLE (Primary Leaving examination) Science 2013 marking guide
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PLE (Primary Leaving examination) Science 2014 marking guide
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PLE (Primary Leaving examination) Science 2015 marking guide
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Poultry vices; causes and prevention
Most common reasons for development of vices in poultry are, Overcrowding in the poultry house Protein deficiency in the diet Provision of less diet Excess ... Read More
Angle construction-upper primary mathematics
Constructing Angles of 60º, 120º, 30º, 150, 90º and 450 How to construct an angle of 600. (i) Draw a line and select point A. ... Read More
Force and simple machine – upper primary science
Force A force is the pull, push or a lift on an object. Force is measured in Newtons using a spring balance Effect of ... Read More
Properties of matter – upper primary science
PROPERTIES OF MATTER Matter Matter is anything that occupies space and has mass. Mass is what matter is made up of. Matter exists in three ... Read More
Magnetism-upper primary science
Magnetism A magnet is a piece of metal which has ability to attract other metals. Magnetic substances are those substances which can be attracted by ... Read More
Sound energy-upper primary science
Sound energy Sound is a form of energy that enables us to hear. It is caused by vibration of objects Properties of sound Pitch is ... Read More