The function of haemoglobin in red blood cells is to
transport digested foods
clot blood after an injury
combine with oxygen gas
carry carbon dioxide gas
Which one of the following is a social effect of drug abuse
Impaired judgement
Withdrawal
Addiction
Loss of income
The diagram below represents the heart of a mammal. In which pair of blood vessels is the blood under highest pressure?
E and F
Fand G
G and H
E and G
Which one of the following components of environment do all animals depend on directly?
Air and soil
Water and soil
Water and air
Soil and plants
In female reproductive system, which part receives sperms and allows delivery of the foetus?
Ovary
Oviduct
Uterus
Vagina
The diagram below shows the human digestive system. The juice produced at the part labelled Q is used to digest
proteins
vitamin and mineral salts
starchy foods
body building food
Which of the following parts of breathing system are both involved in cleaning, warming and moistening air?
Trachea and nose
Lungs and trachea
Nose and lungs
Nose and bronchus
The following are characteristics of a certain type of tooth
sharp
chisel shaped
has one root Type of tooth described above is likely to be
molar
incisor
premolar
canine
Which one of the following consists a group of plants that cannot make their own food?
Mould, lichen, yeast
Peas, moss, millet
Toadstool, puffballs, mushroom
Fern, mould, moss
Which of the following pair of diseases can be prevented by vaccination?
Bilharzia, tetanus, measles
Polio, whooping cough, yellow fever
Diptheria, malaria, cholera
Marasmus, measles, yellow fever
If anthers of a flower were cut off before they mature, which of the following statements would be correct?
Germination of pollen grains
Pollination will not take place
Fertilization will not take place
Ovary will form fruits
Which one of the following activities not a drug abuse?
Taking less dose of prescribed drug
Taking prescribed medicines for long time
Taking medicines prescribed to to be someone else
Using drug to induce sleep
Which one of the following pair of drugs are harmful but are legal in Kenya?
Tobacco and alcohol
Miraa and bhang
Bhang and alcohol
Tobacco and inhalants
Which one of the following statement is true about vena cava? It carries
oxygenated blood
blood from the lungs
deoxygenated blood
blood from the heart
The vaccines given at nine months after birth protect an infant against
tetanus and yellow fever
diptheria and measles
measles and yellow fevewill
tuberculosis and polio
Which one of the following statements best describes the term environment?
The surrounding of a living organism
he source of food for living organism
The habitat of a living organism
The home of a living organism
Which one of the following physical changes takes place during adolescence in boys only?
Increase in body weight and height
Production of mature sex cells
Chest and shoulders broadens
Enlargement of breast
Which of the following pair consists of root tuber crops only?
Arrow roots, cassava, sweet potatoes
Irish potatoes, cassava, carrots
Yams, carrots, ginger
Arrow roots, sugarcane, irish potatoes
Which one of the following statement about HIV and AIDs is true?
HIV and AIDs is curse
During window stage a person tests
People with HIV/AIDs are thin
AIDs develop during incubation period
Which of the following method would not be effective in controlling the spread of malaria disease?
Clearing bushes around our homestead
Isolating patients with malaria
Draining stagnant water
Sleeping under treated mosquito nets
The following are parts of a flower.
anthers
style
ovary
stigma Which pair of parts are involved in pollination?
i, iv
i, ii
iii, iv
ii, iii
Which of the following shows the 4th and 7th planet from the sun respectively?
Jupiter, Uranus
Mars, Uranus
Jupiter, Saturn
Venus, Neptune
When investigating a certain condition necessary for germination bean seeds were placed in a glass container as shown below. The reason why the bean seeds did not germinate was due to lack of
soil
warmth
moisture
oxygen
A pupil classified some animals as shown in the chart below. Which of the following animal was wrongly classified?
Tilapia
Frog
Snake
Insects
Which one of the following statement is true about sheet erosion?
Forms small and shallow channels
Controlled by making terraces
Occurs below roofs of building
Removes a thin uniform layer of top soil
Which of the following only consists of energy giving foods?
Lemon and cabbages
Bread and coconut
Fish and milk
Ugali and spinach
In an investigation, pupils observed a raised coin in a glass of clean water. The pupils were investigating
reflection of light
dispersion of light
how light travels
refraction of light
Which one of the following diagram shows the shape of the new moon?
The embryo of a seed is made up of
Cotyledon and plumule
Endosperm and cotyledon
Plumule and endosperm
Radicle and plumule
When modelling the solar system, the material used to fix models of the sun and the planets to their respective positions is
manila paper
plasticine
pins
name tags
A heap of fresh garden soil was placed in a container covered with a sheet of glass and then heated. Which of the following component of soil was the set-up used to investigate?
Organic matter
Water
Air
Living organisms
Which one of the following farm animals are correctly grouped according to their products?
Poultry-eggs and beef.
Sheep -mutton and milk
Goats - milk and mutton
Cattle-beef and layers
The following materials were assembled by pupils to make a beam balance
Two similar tins
Nails
base stand i
piece of wood Which one of the following material was missing?
A string
Soft board
Scale
Glass bottles
Which one of the following is an advantage of stall feeding?
The animals feed on pastures directly
It is cheap to start
Requires alot of labour
Feeds are well utilized without wastage
Which of the following pair consists of nutritional deficiency disease caused by lack of minerals in the diet?
Rickets and marasmus
Anaemia and rickets
Anaemia and measles
Marasmus and kwashiorkor
Which one of the following is not a reason for lighting a house?
To read comfortably
For safety purposes
To avoid accidents
To warm the house
Which one of the following group consists of substances with definite volume and definite shape?
Kerosene, nails and sand
Oxygen, carbon dioxide, inert gases
Stones, pins, milk
Sugar, wood, wax
In our home draining of stagnant water can prevent the spread of
Malaria and bilharzia
Typhoid and malaria
Cholera and typhoid
Bilharzia and cholera
Which one of the following pair of signs and symptoms is for cholera disease only?
Skin rashes and mild diarrhoea
Blood in stool and dehydration
Abdominal pain and sore in the mouth
Violet diarrhoea and abdominal pain
The diagram below shows water in a sufuria being heated. The heat transfer at point X is
convection
conduction
radiation
expansion
Which of the following group of foodstuffs can be preserved by use of low temperatures in our homes?
Soda, meat, legumes
Fish, salt, mutton
Fresh milk, meat, fruits
Vegetables, grains, meat
Shadows of objects are formed when light
is refracted as it passes through from the water to the air.
falls on opaque objects, the light is stopped and darkness forms behind the object.
falls on a shiny polished and smooth surface.
falls on a surface at an angle.
Which one of the following is a transparent material?
Manilla paper
Window panes
Mirror
Milk
The main constituent of a balanced diet obtained by feeding animals with both salt licks and fish meat is
minerals
fats and oils
carbohydrates
proteins
The diagram below represents a pupil observing an object at the corner asing a periscope. For the instrument to work properly a mirror is supposed to be placed at point
Q
R
T
S
Which one of the following pair consists only of materials that would sink in water when their shape are changed?
Wax and wood
Glass and ship
Sufuria and nail
Bottle top and metallic plate
Which of the following pair of activity only consists of industrial use of water?
Transport and mixing chemicals
Boat racing and swimming
Washing utensils and making fountain
Cooling machines and mixing chemicals
The chart below represents proportion of the components of air. Which labelled part represents the gas that is necessary for germination?
S
Q
R
T
Newton is a unit used for measuring
energy
force
mass
pressure
Which one of the following is true about the soil that has high water retention?
Large air spaces
Large soil particles
Low capillarity
Fine texture
MARKING SCHEME
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Last modified on Thursday, 09 September 2021 12:24