Donate HereCategory: Science for upper primary schools
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
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