Category: Science for upper primary schools
Effects of heat on matter.
Burns them Decompose matter Cause expansion Causes evaporation cause melting Read More
Reasons why some farmers prefer keeping local breeds of cattle to exotic breeds.
Resistant to diseases can survive and produce milk on poor feed and fodder resources resist parasites Read More
State any two pieces of advice to give to a mother whose baby is dehydrated.
Give oral rehydration salt solution Give a lot of fruit fluids Read More
Signs which show that a baby is dehydrated
Sunken eyes Pale skin a dry or sticky mouth. Read More
Characteristic of seeds dispersed by wind
. They are light They have hairy extension Have wing-like extension Read More
Why is biogas regarded as an environmentally friendly source of energy?
Reduces deforestation It is renewable can help reduce methane and black carbon emissions Read More
Apart from curing diseases, give one other characteristic of essential drugs.
Prevent diseases Reduce pain Provide dietary supplements Read More
Way in which animals can be used as energy resource.
Excreta are used to make biogas Read More
Signs of disease on the plant leaves.
Chlorosis (yellowing of leaves) Leaf rust (common in corn) Leaf spot (septoria brown spot) Leaf wilt Leaf death Read More
Name the vaccine which is given to prevent three childhood immunizable diseases.
MMR for mumps , measles and mumps Read More
Ways in which saliva is useful in the process of digestion.
Softens food to ease swallowing Contains amylase enzyme that digests starch Read More
Ways in which the spread of germs by houseflies can be controlled.
Use of insecticides Cover food Eat hot food Keep home clean Fly screens should be installed over ventilation covers and drain to prevent house flies from ... Read More
Name the type of bees, which develops from unfertilized eggs.
Drones or honey bee males develop from unfertilized eggs Read More
Mineral deficiency disease in humans.
Anemia due to lack of iron Goiter due to lack of iodine Osteoporosis due to deficiency of calcium Acrodermatitis enteropathica is an inherited form of zinc ... Read More
Ways in which molluscs are different from other invertebrates.
Have soft bodies have a file-like rasping tool called a radula Body may be covered by a mantle and shell. Read More
How is reflected sound helpful to sailors?
To detect obstacles in its surrounding to detect depth of water Read More
Apart from causing diseases, give one other way in which fungi are harmful to people?
Provide food nutrients Provide medicine Decompose sewage into non-poisonous substances Used for baking Used for brewing Read More
Why are laying boxes put in dark corners of a poultry house?
To provide chickens a safe location where they can lay their eggs in peace Read More
Principles of primary Health care.
personal hygiene sanitation good nutrition, maternal and child health, prevention and control of endemic diseases. health education Oral care Read More
Danger of wetland drainage to water animals.
Water animals lose habitats when wetlands are drained Water animals die due to lack of water to provide oxygen for breathing when wetlands are drained Read More
Why does a nail sink in water?
the nail is denser than water Read More
Effects of alcoholism to a family.
School dropout due to alcoholic failing to pay fee or attend classes Self-neglect of the alcoholic Increased accident of an alcoholic Marital conflicts and ... Read More
Reasons why animals make sound.
To sound warning To entice mates To express pain To express happiness To sense obstacles during motion e.g. bats To protect territories Read More
How toothpaste promote oral health
Strength teeth by providing calcium and fluoride Ensure effective cleaning of teeth by removing plaque/bacteria from the teeth Read More
What is the importance of gap filling in crop growing?
To maintain optimum plant population to ensure optimum use of space, light and nutrients leading to maximum plant yield. Read More
Effect of gonorrhea on female reproductive system.
Increased vaginal discharge. Vaginal bleeding between periods, such as after vaginal intercourse Blockade of fallopian tubes Read More
Ways in which termites benefit from soil
Get shelter They obtain food material from soil Read More
Place where Jesus was crucified
Jesus was crucified at a spot outside Jerusalem called Golgotha, which in Aramaic means “place of the skull.” Read More
Name the group of crops that are harvested year after. Give examples
Perennial crops Examples coffee, tea, mangoes, orange, Banana, sisal, coconut, pyrethrum, oil nut, paws Read More
State any two ways of preventing the egg eating vice in poultry.
make laying boxes dark give enough food with calcium timely picking of eggs provide enough space provide vegetables Read More
Give any one cause of egg eating in poultry
boredom lack of enough calcium in the diet Delay to pick eggs lack of food Freedom of movement allows birds to hide eggs in the ... Read More
Apart from egg eating, name any one other vice of poultry.
Feather pecking Cannibalism Egg hiding Pica or sometimes, birds start eating materials which are not fit for consumption, such as feathers, litter material, threads, etc Read More
State any agents of soil erosion
Wind Running water Animals Read More
Give examples of types of joints and their position in the body.
Joints Position in the body Pivot joint Neck Ball and socket joint shoulder, hip Hinge joint Knee, elbow Suture joint Skull Read More
What type of germination undergone by bean seed?
Epigeal germination Types of germination The germination can be of two types, depending on the positioning of the cotyledons or seed leaves: >If the cotyledons ... Read More
what is the use of cotyledon to a germinating bean seedling?
Provides food to the growing plant Read More
Apart from the number of body parts, state one other difference between Arachnids and insects.
Arachnids have four pairs of legs while insects have three pairs of legs Arachnids have no antennae/feelers whereas insects have Arachnids use lung-book for breathing ... Read More
Give one way in which the use of solar energy is good to our environment.
Does not pollute environment Reduce destruction of forested Read More
State one way in which married couple can avoid HIV/AID among themselves.
Being faithful to each other Read More
Why do plane mirrors produce regular reflection of light?
Has a smooth polished surface Read More
How is the function of the pulmonary vein different from that of other veins?
Pulmonary vein carries oxygenated blood whereas other carry deoxygenated blood. Read More
Mention the group of birds to which a crested crane belongs
Wading birds Other examples of wading birds include Cranes · Egrets · Flamingos · Herons · Ibises · Rails · Spoonbills · Storks. Read More
Give any way in which bacteria are useful to crop farmers?
They fix nitrogen Convert plant remains to humus Decompose organic matter to form manure Read More
Why does paraffin settle on top when mixed with water?
Paraffin is less dense than water or water is denser than paraffin Read More
State any one piece of advice you would give to a person who suffers from indigestion.
To chew food properly Eat food rich in roughages Eat a lot of fruits and vegetables drink enough water Others Eat small meals so your ... Read More
Why is it important for government to collect information on human health?
To plan health units To budget for medicine To plan training medical workers Read More
How is reproduction in whale different from that of fish.
Whales produce younger one alive while fish lay eggs. Whale undergo internal fertilization while fish undergo external fertilization. Read More