Science Questions and Answers - Class 8 End Term Exams Term 1 2023 Set 6
QUESTIONS:
Three of the following are functions of the skin except one. Which one is it?
Filters and removes urine from blood
Acts as an excretory organ
Protects the body from germs
Acts as a sensory organ
The following activities take place in the human reproductive system. Which one is wrongly matched with where it takes place?
Fertilisation - fallopian tube
Implantation - uterus
Ovulation - Ovary
Fusion - vagina
The diagram below shows a certain blood vessel. Which one is not a characteristic of the blood vessel shown above?
Blood flows slowly and in low pressure
Has wide lumen
Has a pulse
Found near the surface of the body.
Ananias lost his molar teeth in an accident and went to the hospital for replacement. Which one of the following artificial teeth were fitted on his gum
Dentures
Permanent
Deciduous
Wisdom teeth
Absorption of the digested foods into the blood stream takes place in the
rectum
large intestine
stomach
small intestine
Which one of the following is the most effective method that a person can use to prevent chancroid disease?
Abstinence in couples
Having multiple partners
Visiting voluntary counseling testing
Being faithful to one sexual partner
The following are effects of HIV and AIDS to the nation. Which one is not?
Lack of trained personnel
High number of school dropouts
Lack of self esteem
Congestion in hospitals
Typhoid can best be prevented by
proper hygiene
boiling drinking water
drinking water that has been filtered
wearing gumboots when walking in stagnant water.
The experiment below was carried out by class five pupils. The experiment was set to investigate
convection in gases
conduction
convection in liquids
radiation
Which one of the following is not an importance of brushing the teeth?
To give one fresh breath
To maintain unhealthy disease
To prevent gum disease
To remove food particles from teeth.
The following signs were shown in an HIV patient.
tested HIV positive
looked normal and healthy Which stage was the patient undergoing?
Window stage
Symptomatic stage
Full blown stage
Incubation stage
All the following are signs of unhealthy crop except
curled leaves
stunted growth
discolouration
reduced quality of produce
Three of the following green plants have fibrous roots except
wheat
mango
oats
barley
Plants growing in dry areas have the following adaptations except
thick cuticle
deep roots
broad leaves
shedding leaves
Which one of the following plants is not green?
Pine
Cedar
Cypress
Toadstool
Which one of the following is not an example of a beverage crop?
Tea
Coffee
Cocoa
Flax
Which one of the following is not true about plants?
Flowers produce fruits and fruits contain seeds
Water, carbon dioxide and minerals are raw materials for photosynthesis
Oxygen is necessary for photosynthesis
The main reproductive organ of a plant is the flower
Which one of the following is not a method of rotational grazing?
Strip grazing
Tethering
Herding
Paddocking
Which pair of characteristics is common to lizard, toad, hawk and duck billed platypus?
Lay eggs, have scales
Breathe by lungs, lay eggs
Have scales, varying body temperature
Breathe by lungs, have varying body temperature
One of the following is an egg laying mammal. Which one is it?
Bat
Whale
Porpoises
Spiny anteater
Three of the following pairs of parasites are correctly grouped according to where they are found. Which one is not?
Mites, lice
Tsetse flies, lung worms
Liver flukes, hookworms
Ticks, fleas
The diagram drawn below represents a thermometer. The instrument drawn above works on the principle that
matter has weight
liquids expand when heated and contact when cooled
gases expand when heated and contact when cooled
matter occupies space
Which one is a unit for measuring weight?
Force Newton
Temperature Grams
Air pressure Millibars
Rainfall Millimetres
Which one of the following pollutants pollute water only?
Untreated sewage
Farm chemicals
Factory waste
Industrial waste gases
The following set-up can be used to investigate drainage in soil samples Which of the following does not have to be the same for accurate observation to be made?
Duration of experiment
Amount of water poured on each soil
Size of collecting jars
Amount of soil in each funnel
The main source of river pollution in Kenya is
oil spills
soil particles
untreated sewage
industrial wastes
All the following are ways of conserving water except
boiling
using water sparingly
harvesting rainwater
recycling dirty water
Which one of the following sources of water provides us with soft water?
Ocean
Dams
Borehole
Rainwater
Bilharzia worms mainly affect the
nose and eyes
kidneys and liver
legs and hands
bladder and intestines
Makulina noticed small and shallow channels forming in the soil due to running water. The type of soil erosion noticed by Makulina is
gulley
sheet
rill
splash
What is observed when dry soil is added to a jar of water?
Bubbles
Air
Coloured fumes
Water droplets
Which one of the following would most likely happen immediately all snakes are killed in the food chain below? Grass → Grasshopper → frogs →snakes → secretary birds
Frogs would reduce in number
The amount of grass would increase
Secretary birds would reduce in number
The grasshoppers would increase in number
Which one of the following groups of food preservation methods consists of only traditional methods?
Smoking, drying, salting
Freezing, pasteurization, canning
Low temperature, salting, canning
Salting, refrigeration, smoking
Which one of the following is not likely to produce light ?
A child suffering from rickets should be given a diet rich in
proteins
fats
vitamin D and calcium
carbohydrates
A card with the word SOUND written on it was placed in front of a mirror. Which one of the following shows how the word would appear in the mirror?
Presence of cumulus clouds is a sure sign of
fine weather
drought
rain
storm
Pressure in liquids increase with
mass
temperature
depth
surface area
The following are methods of controlling human intestinal worms except
proper cooking of food
proper washing of foods that are eaten raw
proper sanitation
balanced diet
Which one of the following will float on water?
Piece of wood
Small stone
Iron ball
Piece of wire
Which one of the following is a natural way of lighting a house?
Using translucent roof
Using gas lamps
Using oil and electric lamps
Using candles
Fats and oils are necessary in a diet for
building strong teeth
protection against disease
replacing dead cells
keeping the body warm
Three of the following are natural sources of light except
stars
moon
sun
glow worms
Objects thrown to the air come back to the earth due to the force of
gravity
inertia
pressure
friction
Which of the following is a herbivore?
Dog
Man
Lion
Goat
Mutheu tied a transparent plastic bag around a leaf of a plant as shown below. What was her observation after five hours on a sunny day?
All the air in the plastic bag was used up
The leaf turned black
Water droplets formed inside the plastic bag.
The tied leaf turned yellow
The tendril used for climbing is a modified
root
stem
flower
leaf
Study the diagram below. The experiment above shows that
air experts pressure
air has weight
air lacks mass
air occupies space
The pie chart below shows composition of air Which of the labelled sectors shows the gas used by legumes to make proteins?
R
P
Q
.O
The following are uses of water for recreation. Which one is not used?
Surfing
Sport fishing
Marking a fountain
Swimiming
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Last modified on Monday, 10 July 2023 06:08