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- Explain how the structure of a synovial joint is related to its function of allowing movement to occur.
(Solved)
Explain how the structure of a synovial joint is related to its function of allowing movement to occur.
Date posted: October 1, 2019.
- List the components of the mammalian sensory system(Solved)
List the components of the mammalian sensory system
Date posted: October 1, 2019.
- Name the main systems for coordination in animals(Solved)
Name the main systems for coordination in animals
Date posted: October 1, 2019.
- The diagrams below are some common laboratory apparatus. Name each apparatus and state its use.(Solved)
The diagrams below are some common laboratory apparatus. Name each apparatus and state its use.
Date posted: October 1, 2019.
- It is estimated that the total length of the capillaries in man is 60km. They are much branched, thin walled and narrow. Explain...(Solved)
It is estimated that the total length of the capillaries in man is 60km. They are much branched, thin walled and narrow. Explain the significance of these features.
Date posted: October 1, 2019.
- What is coordination in animals(Solved)
What is coordination in animals
Date posted: October 1, 2019.
- A person of blood group B marries a woman of blood group B. Work out the possible blood group of their children.(Solved)
A person of blood group B marries a woman of blood group B. Work out the possible blood group of their children.
Date posted: October 1, 2019.
- Eleza jinsi mbinu ya kwelikinzani imetumika kwa kurejelea riwaya ya "kidagaa kimemwozea".(Solved)
Eleza jinsi mbinu ya kwelikinzani imetumika kwa kurejelea riwaya ya "kidagaa kimemwozea".
Date posted: October 1, 2019.
- (a) What name is given to the two types of atoms.(Solved)
(a) What name is given to the two types of atoms.
Date posted: October 1, 2019.
- Mwafulani 1: Nilikusahau lini ndiyo sasa nije kukusahau?......
Mwafulani II: …..tusikie.(Solved)
Tamthilia "Mstahiki Meya"
Mwafulani 1: Nilikusahau lini ndiyo sasa nije kukusahau?......
Mwafulani II: …..tusikie.
(a) Eleza muktahda wa dondoo hili.
(b) Bainisha mbinu ya lugha inayojitokeza katika dondoo hili.
(c) Fafanua mambo yoyote manne yanayo zungumziwa na mwafulani wa pili kulingana na muktadha wa dondoo.
(d) Fafanua maudhui yoyote matano yanayojitokeza kulingana na muktadha wa dondoo hili.
Date posted: October 1, 2019.
- Oxygen is obtained on large scale by the fractional distillation of air as shown on the flow chart below.(Solved)
Oxygen is obtained on large scale by the fractional distillation of air as shown on the flow chart below.
a) Explain why air is considered as a mixture
b) Identify the substance that is removed at the filtration stage
c) Explain why Carbon (IV) oxide and water are removed before liquefaction of air
d) Identify the component that is collected at -186°C
Date posted: October 1, 2019.
- Huyo Meya wetu ana washauri ambao huwasikiliza zaidi hata kama wanampotosha.Fafanua ukirejelea tamthilia "Mstahiki Meya".(Solved)
Huyo Meya wetu ana washauri ambao huwasikiliza zaidi hata kama wanampotosha.Fafanua ukirejelea tamthilia "Mstahiki Meya".
Date posted: October 1, 2019.
- Explain how fatty acids and glycerols are absorbed in the ileum.(Solved)
Explain how fatty acids and glycerols are absorbed in the ileum.
Date posted: October 1, 2019.
- Explain briefly how excess protein are eliminated in the body.(Solved)
Explain briefly how excess protein are eliminated in the body.
Date posted: October 1, 2019.
- Zitavuma,
Zitakoma,
Nitakwima,
Mti-mle.(Solved)
Soma shairi lifuatalo kisha ujibu maswali.
Zitavuma,
Zitakoma,
Nitakwima,
Mti-mle.
Na muda nikisimama,
Nitatongoa nudhuma,
Kwa tenzi zilizo njema,
Nilisifu mti – mle.
Tazipanga tathlitha, tungo zilizo na hekima,
Za huba na thiatha, za kuburudi mitima,
Mashairi mabuthutha, musome mnaosoma.
Mti nishainukia,namea kuwa mzima,
Mizizi yadidimia, ardhini imeuma,
Nanena kitarbia, tungo zilizo adhama
Japo ni tungo za zama, mti-mle hutumia.
Zingavuma zitapusa, pepo kali zitakoma,
Dharuba kinitikisa, mti-mle huinama,
Huyumba nikaziasa, matawi yakakingama,
Gharika ikishapisa, hurudi nikawa wima,
Na tungo za takhimisa, mti-mle huzipima.
Maswali
(1) Shairi hili ni la kimapokea. Toa sababu mbili kuunga kauli hii.
(2) Taja bahari kuu ya ushairi ambayo imetumiwa na mshairi. Fafanua.
(3) Fafanua dhamira ya mshairi.
(4) Kwa kutoa mifano bainisha tamathali mbili za usemi zilizotumika katika shairi hili.
(5) Eleza jinsi mshairi ametumia idhini ya ushairi katika utungo huu.
(6) Andika ubeti wa nne kwa lugha natharia.
(7) Mshairi anamaanisha nini anaposema "zingavuma zitapusa, pepo kali zitakoma,"
(8) Eleza toni ya shairi hili.
(9) Eleza maana ya msamiati ufuatao.
i) Nitatongoa
ii) Zitapusa.
Date posted: October 1, 2019.
- Outline briefly the method of ventilation used by locust and cockroach.(Solved)
Outline briefly the method of ventilation used by locust and cockroach.
Date posted: October 1, 2019.
- Explain four precautions that can be taken to prevent typhoid being transmitted(Solved)
Explain four precautions that can be taken to prevent typhoid being transmitted
Date posted: October 1, 2019.
- In temperate countries, salt is sprayed on roads to defrost and clear roads but the long term effect on this practice is costly to motorist.
(a)...(Solved)
In temperate countries, salt is sprayed on roads to defrost and clear roads but the long term effect on this practice is costly to motorist.
(a) Explain the role of salt in defrosting the ice.
(b) Explain why the long term effect is costing to motorist.
Date posted: October 1, 2019.
- Sickle – cell anaemia is a hereditary disease due to mutation of gene for normal haemoglobin to gene that causes sickle cell anaemia. What are...(Solved)
Sickle – cell anaemia is a hereditary disease due to mutation of gene for normal haemoglobin to gene that causes sickle cell anaemia. What are the possible phenotype offspring of a man and a woman both heterozygous.
Date posted: October 1, 2019.
- Study the table below.(Solved)
Study the table below.
(a) Which elements belong to the same period of the periodic table?
(b) What is the formula of the compound formed by L and N.?
(c) Compare the atomic and ionic radii of element L.
Date posted: October 1, 2019.
- A student set-up the apparatus below in order to determine the percentage by volume of oxygen in air.(Solved)
A student set-up the apparatus below in order to determine the percentage by volume of oxygen in air.
a) Why did water rise when the reaction had stopped?
b) The student wrote the expression for the percentage by volume of oxygen in air as
Why was the volume of oxygen calculated using the above expression incorrect?
c) What should have been done after the reaction had stopped in order to get a correct volume.
Date posted: October 1, 2019.
- Pollen from a red – flowered plant A was used to pollinate white flowered plant B, the seeds from which produced 157 red-flowered plants. When...(Solved)
Pollen from a red – flowered plant A was used to pollinate white flowered plant B, the seeds from which produced 157 red-flowered plants. When a red flowered plant C was pollinated by a white-flowered plant D, the resultant seeds gave rise to 84 red-flowered plants: and 91 white flowered plants. Assuming that plants A, B, C, and D were all of the same species and that flower colour in that species is controlled by a single pair of genes.
Using R for dominant gene and r for recessive gene, write down the genotypes of the following.
i)Plant A
ii)Plant B
iii)Progeny of A x B cross
iv)Plant C
v)Plant D
vi)Red flowered progeny of C x D cross.
Date posted: October 1, 2019.
- State two symptoms of gout disease in man.(Solved)
State two symptoms of gout disease in man.
Date posted: October 1, 2019.
- Distinguish between gaseous exchange and respiration(Solved)
Distinguish between gaseous exchange and respiration
Date posted: October 1, 2019.
- Two solutions J and K were tested with blue litmus papers and methyl orange indicator.
Blue litmus remained blue in both solutions. Methyl orange remained...(Solved)
Two solutions J and K were tested with blue litmus papers and methyl orange indicator.
Blue litmus remained blue in both solutions. Methyl orange remained orange in K but turned yellow in J.
(a) What is the nature of substance J? Explain.
(b) Give an example of a substance that K is likely to be.
Date posted: October 1, 2019.
- Nocturnal animals such as the owl are capable of seeing fairly well at night. What two adaptations have made this possible.(Solved)
Nocturnal animals such as the owl are capable of seeing fairly well at night. What two adaptations have made this possible.
Date posted: October 1, 2019.
- A scientist has discovered a rare disease that attacks the respiratory system in insects. Name two parts of an insect, which are most likely to...(Solved)
A scientist has discovered a rare disease that attacks the respiratory system in insects. Name two parts of an insect, which are most likely to be damaged by the disease.
Date posted: October 1, 2019.
- State with reasons whether the changes below are physical or chemical.(Solved)
State with reasons whether the changes below are physical or chemical.
Date posted: October 1, 2019.
- Under what condition would a plant lose more water than its absorbing from the soil. (Solved)
Under what condition would a plant lose more water than its absorbing from the soil.
Date posted: October 1, 2019.
- Explain how Antiduretic hormone regulates osmotic potential in the body(Solved)
Explain how Antiduretic hormone regulates osmotic potential in the body
Date posted: October 1, 2019.