Recent questions

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Describe how various environmental factors affect the rate of photosynthesis.

asked Jun 18, 2021 in Biology Form 3 by anonymous

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Explain how the presence of chloroplasts in guard cells affect the opening of stomata.

asked Jun 18, 2021 in Biology Form 1 by anonymous

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Describe how human blood is adapted to its function.

asked Jun 18, 2021 in Biology Form 3 by anonymous

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Explain the role of the liver in blood sugar regulation.

asked Jun 18, 2021 in Biology Form 3 by anonymous

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The data below shows the average number of ticks per animal in a certain farm before and after spraying the animals with a certain chemical. The spraying was done once every month. The data was tabulated as shown below.

asked Jun 18, 2021 in Biology Form 3 by anonymous

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A road contractor has to transport 240 tonnes of hardcore. He will use two types of lorries, type A and type B. He has 3 type A lorries and 2 type B lorries. The capacity of each type A lorry is 8 tonnes while that of type B is 15 tonnes. All type A lorries must each make the same number of trips. Similarly all type B lorries must each make the same number of trips. The number of trips made by each type B lorry should be less than twice those made by each type A lorry. Each type A lorry must not make more than 6 trips.

asked Jun 18, 2021 in Mathematics Form 2 by anony mous

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An aircraft took off point A(xºN, 15ºE) at 0720h, local time. It flew due West to another point B(xºN, 75ºW) a distance of 5005 km from A. After a stopover ot 1 hour 30 mimutes at point B. the aircraft took off and flew for 3 hours 40 minutes due South to a point C. The aircraft maintained an average speed of 910 km/h for the journey fom A to B and also from B to C (Take π = 22 and the radius of the earth to be 6370 km) 7

asked Jun 18, 2021 in Mathematics Form 4 by anony mous

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The table below shows the volume of gases contained in 100cm3 of a blood sample tapped at two points in the mammalian circulatory system

asked Jun 18, 2021 in Biology Form 1 by anonymous

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The table below shows the income tax rates for a certain year

asked Jun 18, 2021 in Mathematics Form 3 by anony mous

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A student could clearly read a book placed 10cm away but could not clearly identify a fellow student 12m away.

asked Jun 18, 2021 in Biology Form 4 by anonymous

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In an experiment to investigate the effect of temperature on seed germination, soaked maize seeds were subjected to varying temperatures as tabulated below. 3.

asked Jun 18, 2021 in Biology Form 3 by anonymous

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Kering purchased (2x-1) identical pens for Ksh 180. Naraya purchased (3x+ 1) identical pencils for Ksh 200.

asked Jun 18, 2021 in Mathematics Form 1 by anony mous

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The genetic make-up of a man was found to be XXY.

asked Jun 18, 2021 in Biology Form 4 by anonymous

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Below are photographs E and F, of two organisms, taken from their natural habitats.

asked Jun 18, 2021 in Biology Form 4 by anonymous

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A farmer has two tractors P and Q. Tractor P, working alone, can plough a piece of land in 5 hours while tractor Q would take 1 2/3 hours less than tractor P.

asked Jun 18, 2021 in Mathematics Form 1 by anony mous

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A particle moves in a straight line from a fixed point. The velocity V ms-1 of the particle after t seconds is given by V = t2- 4t + 6. Calculate the distance travelled by the particle in the first 4 seconds.

asked Jun 18, 2021 in Mathematics Form 2 by anony mous

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The position vectors of points P, Q and R are Show that points P. Q and R are collinear.

asked Jun 18, 2021 in Mathematics Form 3 by anony mous

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Solve the equation sin2θ - cos2θ = - 1/2 for 0°≤ θ ≤ 360°

asked Jun 18, 2021 in Mathematics Form 3 by anony mous

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The cash price of a cooker is Ksh 27 500. A customer opts to buy the cooker on hire purchase terms by paying a deposit of Ksh 17250. Determine the monthly rate of compound interest charged on the balance if the customer is required to repay by six equal monthly instalments of Ksh 2 100 each.

asked Jun 18, 2021 in Mathematics Form 3 by anony mous

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The mean of six numbers is calculated. The deviations of the numbers from the mean are -4.5. 3, 2. d, 1. Detemine the value of d and hence find the exact variance of the numbers.

asked Jun 18, 2021 in Mathematics Form 3 by anony mous

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