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- Describe the process of Amino acid breakdown(Solved)
Describe the process of Amino acid breakdown.
The question is from the topic of excretion and homeostasis; subtopic detoxification.
Date posted: January 11, 2020.
- Describe the process of photolysis of water(Solved)
Describe the process of photolysis of water.
The question is from the topic of nutrition in plants and animals; subtopic photosynthesis in plants.
Date posted: January 11, 2020.
- Can a leaf be tested directly for the presence of starch?(Solved)
Can a leaf be tested directly for the presence of starch?
Date posted: January 11, 2020.
- Name the two bile salts produced by the liver.(Solved)
This question is from the topic of nutrition in form one. It's from the subtopic; digestion in animals
Date posted: January 11, 2020.
- Differentiate between discontinuous and continuous variations as witnessed in human beings (Solved)
The question requires the student to tell the difference in genetic variations observed in humans.
Date posted: December 27, 2019.
- Distinguish between haemolysis and plasmolysis (Solved)
You are required to give a differences between haemolysis and plasmolysis which occurs within the cells of living organisms
Date posted: December 26, 2019.
- The first term of an arithmetic sequence is -7 and the common difference is 3.
a) List the first six terms of the sequence.
b) Determine...(Solved)
The first term of an arithmetic sequence is -7 and the common difference is 3.
a) List the first six terms of the sequence.
b) Determine the sum of the first 50 terms of the sequence
Date posted: November 27, 2019.
- The radius of a sphere is measured as 6.0cm to the nearest 0.1cm. Calculate the percentage error in the calculation of its volume.(Solved)
The radius of a sphere is measured as 6.0cm to the nearest 0.1cm. Calculate the percentage error in the calculation of its volume.
Date posted: November 27, 2019.
- A car was valued at ksh 500,000 in January 2013. Each year its value depreciates at 12% p.a find after how long would the value...(Solved)
A car was valued at ksh 500,000 in January 2013. Each year its value depreciates at 12% p.a find after how long would the value depreciate to ksh 250,000 (Give your answer correct to the nearest year).
Date posted: November 27, 2019.
- The table below shows how income tax was charged in a certain year.
During that year, Mwaniki earned a basic salary of Ksh. 25,200 and a...(Solved)
The table below shows how income tax was charged in a certain year.
During that year, Mwaniki earned a basic salary of Ksh. 25,200 and a house allowance of Ksh. 12600 per month. He was entitled to a personal tax relief of Ksh. 960 per month
a) Calculate;
i) Mwaniki’s taxable income in Kenya pounds per annum.
ii) The net tax he pays per month.
b) Apart from income tax, other deductions amounting to Ksh. 1075 are made from Mwaniki’s monthly income. Calculate his net mothly pay.
Date posted: November 27, 2019.
- A railway line and a road are parallel to each other on a flat and level section of land. A 5 meter long car moving...(Solved)
A railway line and a road are parallel to each other on a flat and level section of land. A 5 meter long car moving at a speed of 110𝑘𝑚ℎ−1 start overtaking a train which is 495 meters and moving at 80𝑘𝑚ℎ−1. How long will it take the car to completely overtake the train?
Date posted: November 27, 2019.
- The volumes of the two similar cylindrical containers is 27cm³ and 125cm³ respectively. Given that the height of the smaller container is 12cm, find the...(Solved)
The volumes of the two similar cylindrical containers is 27cm³ and 125cm³ respectively. Given that the height of the smaller container is 12cm, find the height of the larger container.
Date posted: November 27, 2019.
- Solve for x in (Solved)
Solve for x in
Date posted: November 27, 2019.
- Discuss the importance of the roles that people play in making transformational success in an organisation(Solved)
Discuss the people involved and outline their responsibilities.
Date posted: November 26, 2019.
- Discuss the historical background of Industrial relations(Solved)
Show how Industrial relations came to being and ensure you give the facts in a chronological manner
Date posted: November 26, 2019.
- Discuss various analysis used in Project Management when making a decision(Solved)
The question will require you to discuss in detail the various types of analysis in project management.
Date posted: November 26, 2019.
- What reasons make modern marriage to qualify to be a covenant?(Solved)
How marriage qualifies to be a covenant
Date posted: November 24, 2019.
- Light of frequency 6.5x1014Hz is radiated on a metal whose threshold frequency is 2.0 x1014 Hz.Determine the kinetic energy of the emitted electrons.
(Planck’s constant...(Solved)
Light of frequency 6.5x1014Hz is radiated on a metal whose threshold frequency is 2.0 x1014 Hz.Determine the kinetic energy of the emitted electrons.
(Planck’s constant =6.63x10-34 Js. )
Date posted: November 22, 2019.
- In Figure below, complete the diagrams to show the path of the X-ray beam when it enters an electric field.(Solved)
In Figure below, complete the diagrams to show the path of the X-ray beam when it enters an electric field.
Date posted: November 22, 2019.
- The figure below shows a current carrying conductor placed between two strong magnets.(Solved)
The figure below shows a current carrying conductor placed between two strong magnets.
Indicate the direction of the magnetic field and the force on the conductor
Date posted: November 22, 2019.
- The chart below shows an arrangement of different parts of the electromagnetic spectrum.(Solved)
The chart below shows an arrangement of different parts of the electromagnetic spectrum.
Name the radiation represented by letter Q and state one use of the radiation.
Date posted: November 22, 2019.
- Calculate the magnification produced by a convex lens of focal length 10cm used in a simple microscope given that the image distance is 40cm.(Solved)
Calculate the magnification produced by a convex lens of focal length 10cm used in a simple microscope given that the image distance is 40cm.
Date posted: November 22, 2019.
- The figure shows objects A and B placed in front of a mirror M.(Solved)
The figure shows objects A and B placed in front of a mirror M.
Show the position of their images A1 and B1.
Date posted: November 22, 2019.
- The graph shows the relationship between the pressure and temperature for a fixed mass of an ideal gas at constant volume.(Solved)
The graph shows the relationship between the pressure and temperature for a fixed mass of an ideal gas at constant volume.
i) Given that the relationship between pressure, P and temperature, T in Kelvin is of the form P = kT + C where k and C are constants. Determine from the graph,
I. Value of k
II. Value of C
Date posted: November 22, 2019.
- The figure below shows a pulley system being used to raise a load.(Solved)
The figure below shows a pulley system being used to raise a load.
This pulley system has an efficiency of 75%.
(i) Determine the velocity ratio of the system.
(ii) Determine the mechanical advantage of the pulley system.
(iii) Determine the effort required to raise a load of 240kg.
(iv) Determine the work done by a person using this machine in raising a load of 120kg through a vertical distance of 2.5m
Date posted: November 22, 2019.
- The figure below shows a plastic egg supported vertically by a stream of air from a pump.(Solved)
The figure below shows a plastic egg supported vertically by a stream of air from a pump.
Explain why the egg will not move away from the midstream position.
Date posted: November 22, 2019.
- Three identical springs each of weight 1.5N are arranged to support a 50N load as shown in the figure below:(Solved)
Three identical springs each of weight 1.5N are arranged to support a 50N load as shown in the figure below:
a) Given that one such a spring extends by 2 cm when a load of 20N hangs on its lower end, determine its spring constant.
b) If the glass rod weighs 0.5N, determine the total extension of the system of springs.
Date posted: November 22, 2019.
- The figure below shows two corks X and Y fixed on a polished plate and a dark plate with candle wax.(Solved)
The figure below shows two corks X and Y fixed on a polished plate and a dark plate with candle wax.
Explain the observation made, when the heater is switched on for a short time interval.
Date posted: November 22, 2019.
- The figure below shows a micrometer screw gauge holding a ball bearing. Use the figure to answer questions (i) and (ii)(Solved)
The figure below shows a micrometer screw gauge holding a ball bearing. Use the figure to answer questions (i) and (ii)
i) State the function of the part labeled B in measuring the dimension of the ball bearing
ii) Determine the radius of the ball bearing in S.I. units.
Date posted: November 22, 2019.
- Figure 1 shows a wire wound closely on a test tube. Given that L = 12 mm, determine the thickness of the wire.(Solved)
Figure 1 shows a wire wound closely on a test tube. Given that L = 12 mm, determine the thickness of the wire.
Date posted: November 22, 2019.