Fovea centralis, yellow spot
maurice.mutuku answered the question on November 13, 2019 at 06:41
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Name four strengthening tissues in woody stems.
Date posted: November 13, 2019. Answers (1)
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Below is a diagram showing the fore arm bones and muscles covering them.
a) Name the bones represented by; T X Y Z
b) Name the joints formed between;
i) T and X
ii) Y and X
c) Name the muscles labeled P and R.
d) What happens to each muscle as the arm is straightened.
P...................
R..................
Date posted: November 13, 2019. Answers (1)
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i) Sympathetic nerve
ii) Vagus nerve(Solved)
State the role of the following nerves in the beating of a mammalian heart;
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Date posted: November 13, 2019. Answers (1)
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A solution of sugar cane was boiled with a small amount of dilute hydrochloric acid and allowed to cool. Sodium hydrogen carbonate solution was added drop by drop until the fizzing stopped. A few drops of benedicts solution were added to the mixture and boiled. An orange precipitate formed at the end of the experiment.
a) What was the role of the following in the experiment;
i) Dilute hydrochloric acid.
ii) Sodium hydrogen carbonate.
b) What conclusion can be drawn from the above experiment?
c) Where was the food substance identified in the experiment produced?
d) Name the substance found in human digestive system that performs the same function as Hydrochloric acid.
e) State two properties of the substance identified in (b) above.
Date posted: November 13, 2019. Answers (1)
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b) Explain the evidence in (a) above.
Date posted: November 13, 2019. Answers (1)
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(a) Identify the kingdom to which the organism belongs.
(b) State the functions of the structures labelled F and G.
(c) Name the material that makes the cell wall of the organism.
Date posted: November 13, 2019. Answers (1)
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The diagram below shows some growth in a plant.
a) Name the type of growth shown in the diagram.
b) Name the part labeled A
c) What is the function of the part labeled B
Date posted: November 13, 2019. Answers (1)
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Date posted: November 13, 2019. Answers (1)
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Date posted: November 12, 2019. Answers (1)
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Date posted: November 12, 2019. Answers (1)
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Date posted: November 12, 2019. Answers (1)
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The diagram below represents a section through a chloroplast as seen under the electron microscope.
(a) Name the structure labelled D.
(b) In which labelled structure do we find chlorophyll molecule.
(c) Name the structure labelled, where carbon IV oxide fixation occurs.
Date posted: November 12, 2019. Answers (1)
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Date posted: November 12, 2019. Answers (1)
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Date posted: November 12, 2019. Answers (1)
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The figure below shows change in dry mass of germinating bean seeds with time.
Account for the;
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(ii) Rapid increase in dry mass between C and D.
Date posted: November 12, 2019. Answers (1)
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The diagram below represents a cell organelle as seen under electron microscope.
(i) Identify the organelle.
(ii) State the function of the organelle named in (i) above in the cell.
(iii) State one visible adaptation that makes it suitable to perform its function.
(iv) Name one cell that has a large number of the organelle named in (i) above.
Date posted: November 12, 2019. Answers (1)
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Date posted: November 12, 2019. Answers (1)
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The diagram below represents a kidney nephron.
(a) Name the parts labeled G, and H.
(b) Name the process that takes place in the glomerulus.
(c) Name the substances that are reabsorbed into the blood at the part labeled J.
(d) A patient was found to pass out large volumes of dilute urine.
(i) State the disease from which the patient was suffering from.
(ii) What is the cause of the disease stated in (d) (i) above?
(e) Name substance K.
Date posted: November 7, 2019. Answers (1)
- Work out the chance that a son of a normal man and a woman who is a carrier for haemophilia will be a haemophiliac. Let...(Solved)
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Date posted: November 7, 2019. Answers (1)
- The diagram below represents a germinating seedling.(Solved)
The diagram below represents a germinating seedling.
(i) State the type of germination shown in the diagram.
(ii) Name the part labeled E.
(iii) What is the function of the endosperm labeled F?
Date posted: November 7, 2019. Answers (1)