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- A Kenyan bank buys and sells foreign currencies as shown in the table below:
A tourist arrived in Kenya with 105,900 sterling pounds changed the...(Solved)
A Kenyan bank buys and sells foreign currencies as shown in the table below:
A tourist arrived in Kenya with 105,900 sterling pounds changed the whole amount in Kenyan shillings. While in Kenya he spent Kshs 4,800,000 and then changed the balance to American dollars. Calculate to the nearest dollar how many dollars he then received
Date posted: September 17, 2019.
- The figures below illustrate specialized cells in an animal body.(Solved)
The figures below illustrate specialized cells in an animal body.
a) Identify the cell M and N.
b) State the structural differences between M and N
c) Which of the above specialized cells is found in the gut.
Date posted: September 17, 2019.
- Examine the diagram below and answer the questions that follows.(Solved)
Examine the diagram below and answer the questions that follows.
A...............................
B................................
C.....................................
D....................................
b) State the type of germination exhibited by the seedling above
c) State and explain three environmental conditions necessary for germination.
Date posted: September 17, 2019.
- The diagram below represents a pyramid of biomass derived from certain Ecosystem.(Solved)
The diagram below represents a pyramid of biomass derived from certain Ecosystem.
a) Suggest the type of ecosystem from which the pyramid was derived.
b) State the significance of short food chains is an ecosystem.
Date posted: September 17, 2019.
- The flow diagram below represents passage of a meal through the human digestive system. Study the diagram and answer the questions that follow.(Solved)
The flow diagram below represents passage of a meal through the human digestive system. Study the diagram and answer the questions that follow.
(a) Name the physical process that will occur in mouth cavity
(b) Name the digestive juices B and C
B...........................
C...........................
(c) Explain two ways in which the digestive system is protected from corrosive effects of digestive juices.
(d) Name the hormone that stimulate secretion of juice B.
(e) Identify two contents of digestive juice A
Date posted: September 17, 2019.
- Without using tables and calculators simplify by rationalizing the denominator
Leave your expression in surd form
(Solved)
Without using tables and calculators simplify
by rationalizing the denominator
Leave your expression in surd form
Date posted: September 17, 2019.
- The table below shows the percentage composition of carbon (iv) oxide and oxygen in inhaled and exhaled air,(Solved)
The table below shows the percentage composition of carbon (iv) oxide and oxygen in inhaled and exhaled air,
Explain the differences in percentage of the two gases in inhaled and exhaled air.
a) Oxygen
b) Carbon (Iv) oxide
Date posted: September 17, 2019.
- The equation below represents a redox reaction.(Solved)
The equation below represents a redox reaction.
2FeCl2 (aq) + Cl2 (g)----->2FeCl3 (aq)
Identify the oxidizing agent. Give a reason.
Date posted: September 17, 2019.
- Name the source of hydrochloric acid in the mammalian stomach.(Solved)
Name the source of hydrochloric acid in the mammalian stomach.
Date posted: September 17, 2019.
- The 1st 2nd and 5th terms of an arithmetic progression series are three consecutive terms of a G.P, find the ratio of the G.P(Solved)
The 1st 2nd and 5th terms of an arithmetic progression series are three consecutive terms of a G.P, find the ratio of the G.P
Date posted: September 17, 2019.
- Solve the compound inequalities and hence list down the integers which satisfy the inequalities (Solved)
Solve the compound inequalities
and hence list down the integers which satisfy the inequalities
Date posted: September 17, 2019.
- The table below gives the solubility of potassium bromide and potassium sulphate at 00C and 800C.(Solved)
The table below gives the solubility of potassium bromide and potassium sulphate at 00C and 800C.
When an aqueous mixture containing 60g of potassium bromide and 7g of potassium sulphate in 100g of water was cooled from 800C to 00C, some crystals were formed.
(a) Identify the crystals.
(b) Determine the mass of crystals formed.
(c) Name the method used to obtain the crystals.
Date posted: September 17, 2019.
- The diagram below shows the structure of a human ear.(Solved)
The diagram below shows the structure of a human ear.
a. State functions of human ear
b. Give the name of structures labeled C, G. F
c. What is the function of the structure labeled H
Date posted: September 17, 2019.
- Expand (1 – 2x)5 hence use the expansion up to the forth term to estimate the value of (0.8)5 correct to 3 decimal...(Solved)
Expand (1 – 2x)5 hence use the expansion up to the forth term to estimate the value of (0.8)5 correct to 3 decimal places
Date posted: September 17, 2019.
- Use logarithms tables to evaluate(Solved)
Use logarithms tables to evaluate
![fig101792019854.png](/questions/uploads/fig101792019854.png)
Date posted: September 17, 2019.
- Study the diagram below and answer the question that follows.(Solved)
Study the diagram below and answer the question that follows.
i) Identify the muscle represented by X and Y.
ii) Describe how muscle X and Y cause straightening of joint Z.
c) Name joint Z.
Date posted: September 17, 2019.
- A manufacturer discovers that a mixture of juice brand A which costs Kshs. 30 per litre and juice brand B which costs Kshs. 45 per...(Solved)
A manufacturer discovers that a mixture of juice brand A which costs Kshs. 30 per litre and juice brand B which costs Kshs. 45 per litre would cost Kshs. 40 per litre of the same mixture.
a)How much of each would be required to produce one litre of each mixture.
b)If the cost of production of juice brand A is shs. 27 per litre and juice brand B which costs shs. 42 per litre. What price must the manufacturer sell the mixture to make a profit of 20% per litre?
c)If the cost of production decreases by 10% for juice brand B, what price must the manufacturer sell to retain the same profit margin?
Date posted: September 17, 2019.
- Describe how solid Aluminium chloride can be separated from a solid mixture of sodium chloride and ammonium chloride.(Solved)
Describe how solid Aluminium chloride can be separated from a solid mixture of sodium chloride and ammonium chloride.
Date posted: September 17, 2019.
- An experiment shown below was a set up to investigate a certain physiological process in plants.(Solved)
An experiment shown below was a set up to investigate a certain physiological process in plants.
a) What process was being investigated? (1 mark)
b) What effect will the following have on the observation made in (a) above?
i) Fanning the shoot
ii) Removing all the leaves from the shoot.
iii) Placing the set up in the dark.
Date posted: September 17, 2019.
- The diagram below shows a sketch of the line y = 16 – x2 and y = x2 – 4x intersecting at point A and...(Solved)
The diagram below shows a sketch of the line y = 16 – x2 and y = x2 – 4x intersecting at point A and B.
a)Find the coordinates of A and B.
b)Calculate the area bounded by the curve y = 16 – x2 the y-axis and the x-axis.
c)Calculate the area of the shaded region that lies below the x – axis.
d)Calculate the area of the region enclosed by the curves y = 16 – x2, y = x2 – 4x and the y – axis.
Date posted: September 17, 2019.
- The diagram below shows spots of pure substances A, B and C on a chromatography paper. Spot D is that of a mixture.
After development A,...(Solved)
The diagram below shows spots of pure substances A, B and C on a chromatography paper. Spot D is that of a mixture.
After development A, B and C were found to have moved 9cm, 4cm and 7cm respectively D has separated into two spots which moved 7cm and 9cm.
(a) On the diagram
(i) Using 5 units in the alongside scale to represent 1cm Show the position of all the spots after development.
(ii) Identify the substances present in mixture D.
Date posted: September 17, 2019.
- Towns P(360N, 490E) and town Q(360N, 1310W) are on the earth surface.
a)Find the difference between P and Q along the parallel of latitude...(Solved)
Towns P(360N, 490E) and town Q(360N, 1310W) are on the earth surface.
a)Find the difference between P and Q along the parallel of latitude given that the radius of the earth is 6370km. (Give your answer to the nearest km.)
b)Another town R, is 840km East of town Q and on the same latitude, find the position of R.
c)If the local time at town Q is 12:30am on Monday, what is the local time of town R?
Date posted: September 17, 2019.
- The relative atomic mass of an element is 10.28.(Solved)
The relative atomic mass of an element is 10.28, it has two isotopes
Calculate the relative percentage abundance of each isotope.
Date posted: September 17, 2019.
- The table below shows the marks obtained in a mathematics examination marked out of 100.
a)Draw accumulative frequency curve on the grid provided.
b)Using the curve...(Solved)
The table below shows the marks obtained in a mathematics examination marked out of 100.
a)Draw accumulative frequency curve on the grid provided.
b)Using the curve drawn in a (above) determine;
i)The median mark.
ii)The quartile deviation.
c)If 35% of the students failed the examination use the graph to estimate the pass mark.
Date posted: September 17, 2019.
- The atomic number of Q and R are 9 and 17 respectively. Compare the electron affinity of Q and . Explain.(Solved)
The atomic number of Q and R are 9 and 17 respectively. Compare the electron affinity of Q and . Explain.
Date posted: September 17, 2019.
- The table below shows the rate of taxation in certain year.
A teacher in a technical institute paid a tax of Ksh. 10,855 after getting...(Solved)
The table below shows the rate of taxation in certain year.
A teacher in a technical institute paid a tax of Ksh. 10,855 after getting a monthly tax relief of
Ksh. 1162. Calculate;
a)His monthly taxable income.
b)His other deductions per month.
Cooperative society’s contributions Kshs. 3,000
Loan repayment Kshs. 19,000
Union dues Kshs 400
Calculate his net salary per month.
Date posted: September 17, 2019.
- The table below shows the values of x and y for the curve represented by;(Solved)
The table below shows the values of x and y for the curve represented by;
![fig10416920191700.png](/questions/uploads/fig10416920191700.png)
Date posted: September 17, 2019.
- (a).Identify organs B and D in photograph T2 and state the class of organism from which they were obtained.(Solved)
(a).Identify organs B and D in photograph T2 and state the class of organism from which they were obtained.
(b) State the common function of the organs identified in (a) above.
(c) Name the parts of the body where B and D in photograph T2 are found
(d) List the adaptations of D to its functions
(e) Using observable features only, state how B is adapted to its function
Date posted: September 16, 2019.
- Photographs R1 and R2 show a certain response in plants.(Solved)
Photographs R1 and R2 show a certain response in plants.
a) Explain how the response shown above occurs.
b) What is the biological significance of the response shown by X?
Date posted: September 16, 2019.
- Examine photograph k 1and K2 then answer the questions that follow.(Solved)
Examine photograph k 1and K2 then answer the questions that follow.
(a) Name the response that is exhibited by the seedlings.
(b) Explain how the response you have stated in (a) above occurs.
(c) What is the significance (survival value) of the response you have stated in (a) above.
Date posted: September 16, 2019.