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- Define the following terms:
(a) Crystallization
(b) Salting out as used in soap making(Solved)
Define the following terms:
(a) Crystallization
(b) Salting out as used in soap making
Date posted: October 16, 2019.
- Which source of electricity pollutes the environment?
A. Geothermal
B. wind driven turbines
C. petrol driven generators
D. hydro-electric power(Solved)
Which source of electricity pollutes the environment?
A. Geothermal
B. wind driven turbines
C. petrol driven generators
D. hydro-electric power
Date posted: October 16, 2019.
- Which parasites attack both poultry and rabbits?
A. mites and fleas
B. mites and lice
C. lice and ticks
D. ticks and mites(Solved)
Which parasites attack both poultry and rabbits?
A. mites and fleas
B. mites and lice
C. lice and ticks
D. ticks and mites
Date posted: October 16, 2019.
- Standard five pupils at Milimani school did the following experiment.(Solved)
Standard five pupils at Milimani school did the following experiment.
What were they investigating?
A. Anchorage
B. Transpiration in plants
C. Transportation
D. Photosynthesis in plants
Date posted: October 16, 2019.
- The experiment shown below was done by class 7 pupils to investigate a certain ingredient of tobacco.(Solved)
The experiment shown below was done by class 7 pupils to investigate a certain ingredient of tobacco.
The ingredient being investigated was:
A. Carbon dioxide
B. Tar
C. Carbon monoxide
D. smoke
Date posted: October 16, 2019.
- The two main types of crops are
A. Green and non green plants
B. Dicots and monocots
C. Flowering and non flowering
D. Cash and food crops(Solved)
The two main types of crops are
A. Green and non green plants
B. Dicots and monocots
C. Flowering and non flowering
D. Cash and food crops
Date posted: October 16, 2019.
- The method of food preservation that drives out air using high temperature is?
A. freezing
B. Smoking
C. Canning
D. Drying(Solved)
The method of food preservation that drives out air using high temperature is?
A. freezing
B. Smoking
C. Canning
D. Drying
Date posted: October 16, 2019.
- The following are importance of mulching. Which one is not?
A. Prevents too much evaporation
B. It encourages the growth of weeds
C. It conserves soil moisture
D. It...(Solved)
The following are importance of mulching. Which one is not?
A. Prevents too much evaporation
B. It encourages the growth of weeds
C. It conserves soil moisture
D. It controls the growth of weeds
Date posted: October 16, 2019.
- Which of the following is not a human intestinal worm?
A. Liver flukes
B. Hookworms
C. Roundworms
D. Threadworms(Solved)
Which of the following is not a human intestinal worm?
A. Liver flukes
B. Hookworms
C. Roundworms
D. Threadworms
Date posted: October 16, 2019.
- Which one is NOT a way in which plants depend on animals?
A. Seed dispersal
B. Pollination
C. Shelter
D. Nutrients(Solved)
Which one is NOT a way in which plants depend on animals?
A. Seed dispersal
B. Pollination
C. Shelter
D. Nutrients
Date posted: October 16, 2019.
- Heat reaches the feet of a person seated by the side of a fire by
A. Conduction
B. Convection
C. Radiation
D. Convection and radiation(Solved)
Heat reaches the feet of a person seated by the side of a fire by
A. Conduction
B. Convection
C. Radiation
D. Convection and radiation
Date posted: October 16, 2019.
- In which of the following practices is water re-used?
A. Collecting clean water
B. Getting clean water by boiling and cooling the steam
C. storing water in dams...(Solved)
In which of the following practices is water re-used?
A. Collecting clean water
B. Getting clean water by boiling and cooling the steam
C. storing water in dams for irrigation
D. Cleaning the house with water used to wash clothes
Date posted: October 16, 2019.
- The diagram below shows a lever in use(Solved)
The diagram below shows a lever in use
Which group of tools belongs to the same group as the tool above?
A. Nail cutter, tin opener, secateurs
B. Door hinges, paper cutter, foot
C. Bottle opener, hammer, forceps
D. Stapling machine, fishing rod, tweezers
Date posted: October 16, 2019.
- Below is a description of a certain object
- It is bright
- It does not twinkle
- It is seen in the West as night begins
The object...(Solved)
Below is a description of a certain object
- It is bright
- It does not twinkle
- It is seen in the West as night begins
The object described is
A. Venus B. Sun
C. Stars D. Comets
Date posted: October 16, 2019.
- Differentiate between Electrolyte and non-electrolyte(Solved)
Differentiate between Electrolyte and non-electrolyte
Date posted: October 16, 2019.
- Which of the following groups of materials has definite mass?
A. Turpentine, carbon dioxide, spirit
B. Stone, water, kerosene
C. Wood, nitrogen, porridge
D. Oxygen, water vapour, carbon dioxide(Solved)
Which of the following groups of materials has definite mass?
A. Turpentine, carbon dioxide, spirit
B. Stone, water, kerosene
C. Wood, nitrogen, porridge
D. Oxygen, water vapour, carbon dioxide
Date posted: October 16, 2019.
- The following are physical changes which take place during adolescence. Which one is for both boys and girls?
A. pimples on the face
B. menstrual flow starts
C....(Solved)
The following are physical changes which take place during adolescence. Which one is for both boys and girls?
A. pimples on the face
B. menstrual flow starts
C. enlargement of breasts
D. wet dreams
Date posted: October 16, 2019.
- When an electric current was passed through two molten substances E and F in separate
voltmeters. The observations recorded below were made:-(Solved)
When an electric current was passed through two molten substances E and F in separate
voltmeters. The observations recorded below were made:-
Complete the table above
Date posted: October 16, 2019.
- Which one of the following is a living components of the environment.
A. Water B. Air
C. Soil ...(Solved)
Which one of the following is a living components of the environment.
A. Water B. Air
C. Soil D. Algae
Date posted: October 16, 2019.
- The two forms of energy that do not require any medium for transmission are?
A. heat and electricity
B. light and heat
C. sound and light
D. light and...(Solved)
The two forms of energy that do not require any medium for transmission are?
A. heat and electricity
B. light and heat
C. sound and light
D. light and electricity
Date posted: October 16, 2019.
- The set-up was used to electrolyse Lead (II) bromide. Study it and answer the questions that follow;(Solved)
The set-up was used to electrolyse Lead (II) bromide. Study it and answer the questions that follow;
(a) Write an ionic equation for the reaction that occurred at the cathode
(b) State and explain what happened at the anode
Date posted: October 16, 2019.
- Use the diagram below to answer the question.(Solved)
Use the diagram below to answer the question.
Which plants best suits the points marked P, M and N respectively in the diagram above
A. Mould, bananas, fern
B. Toad stool, algae, cedar
C. Fern, beans, mushroom
D. Puffball, maize, acacia
Date posted: October 16, 2019.
- Which one of the following food preservation method does not involve dehydration?
A. Smoking B. Freezing
C. Sun...(Solved)
Which one of the following food preservation method does not involve dehydration?
A. Smoking B. Freezing
C. Sun drying D. Salting
Date posted: October 16, 2019.
- Three of the following things should be done during first aid for food poisoning except?
A. Give the victim a lot of milk or raw beaten...(Solved)
Three of the following things should be done during first aid for food poisoning except?
A. Give the victim a lot of milk or raw beaten eggs
B. Cover the victim if he feels cold, but not too much heat
C. Force the patient to vomit
D. Take the victim to the doctor immediately
Date posted: October 16, 2019.
- Use the diagram below to answer(Solved)
Use the diagram below to answer
What happens to parts S and R when we breathe out respectively?
Date posted: October 16, 2019.
- The following bare some liquids
I. Water
II. Diesel
III. Cooking oil
IV. Kerosene
Which two liquids will not mix when put in a container?
A. Water and cooking oil
B. Cooking...(Solved)
The following bare some liquids
I. Water
II. Diesel
III. Cooking oil
IV. Kerosene
Which two liquids will not mix when put in a container?
A. Water and cooking oil
B. Cooking oil and diesel
C. Diesel and kerosene
D. Cooking oil and kerosene
Date posted: October 16, 2019.
- In an experiment the following solids were provided to form three students;(Solved)
In an experiment the following solids were provided to form three students; Ca(NO3)2(s),NaH2PO4(s); Mg(OH)Cl(s) and Fe(NH4)2(SO4)2. 6H2O. They were then told to dissolve the
given solids in differently in 20ml of water.
(a) Classify the given salts accordingly
(b) (i) Explain the process which takes place when FeCl3 is dissolved in water
(ii) A student placed a moist litmus paper on the product in (i) above. State and explain the observation made
Date posted: October 16, 2019.
- A simple electric circuit should have all the following except.
A. Dry cells
B. wires
C. fuse
D. Bulb(Solved)
A simple electric circuit should have all the following except.
A. Dry cells
B. wires
C. fuse
D. Bulb
Date posted: October 16, 2019.
- Jane accidentally mixed iron fillings, flour and salt. Which methods could she use to separate the mixture?
A. Dissolve - filter - evaporate - magnet
B. Dissolve...(Solved)
Jane accidentally mixed iron fillings, flour and salt. Which methods could she use to separate the mixture?
A. Dissolve - filter - evaporate - magnet
B. Dissolve - filter - magnet – evaporate
C. Magnet - dissolve- filter - evaporate
D. Dissolve - magnet - filter – evaporate
Date posted: October 16, 2019.
- One of the following is not a straight fertilizer. Which one is it?
A. Calcium Ammonium Nitrate (C.A.N)
B. Single Super Phosphate (SSP)
C. Double Super Phosphate (DSP)
D....(Solved)
One of the following is not a straight fertilizer. Which one is it?
A. Calcium Ammonium Nitrate (C.A.N)
B. Single Super Phosphate (SSP)
C. Double Super Phosphate (DSP)
D. Nitrogen Phosphate Potassium ( NPK)
Date posted: October 16, 2019.