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(a) (i) Ethanol, carbon (IV) oxide and energy
(ii) Lactic and energy
(b) It is the state when body undergoes anaerobic respiration due to less oxygen supply than the demand producing lactic acid. Oxygen has to be taken into the body to break down the lactic acid.
johnmulu answered the question on May 4, 2017 at 11:19
- (a) A dog weighing 15.2 kg requires 216kj while a mouse weighing 50g requires 2736kj per day. Explain.
(b) What is the end-product of respiration in animals when there is insufficient oxygen supply?(Solved)
(a) A dog weighing 15.2 kg requires 216kj while a mouse weighing 50g requires 2736kj per day. Explain.
(b) What is the end-product of respiration in animals when there is insufficient oxygen supply?
Date posted: May 4, 2017. Answers (1)
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(b) State the economic importance of anaerobic respiration in plants. (Solved)
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(b) State the economic importance of anaerobic respiration in plants.
Date posted: May 4, 2017. Answers (1)
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Date posted: May 4, 2017. Answers (1)
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Date posted: May 4, 2017. Answers (1)
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Date posted: May 4, 2017. Answers (1)
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Date posted: May 4, 2017. Answers (1)
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The diagram below shows a set - up that was used to demonstrate fermentation
Glucose solution was boiled and added on top it. The glucose solution was then allowed to cool before yeast suspension was added.
(a) Why was the glucose solution boiled before adding the yeast Suspension?
(b) What was the importance of cooling the glucose solution before adding the yeast suspension?
(c) What was the use of oil in the experiment?
(d) What observation would be made in test tube B at the end of the experiment?
(e) Suggest a control for this experiment.
Date posted: May 4, 2017. Answers (1)
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The diagram below represents some gaseous exchange structures in humans.
(a) Name the structure labeled K, L and M.
(b) Name the process by which inhaled air moves from the structure labeled L into blood capillaries
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Date posted: May 4, 2017. Answers (1)
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(b) What is the effect of contraction of the diaphragm muscles during breathing in mammals?
Date posted: May 4, 2017. Answers (1)
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The diagram below illustrates a blood capillary surrounding a structure for gaseous exchange in human beings
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(b) Identify the gases labelled Y and Z.
(c) How does cigarette smoking lead to lung cancer
Date posted: May 4, 2017. Answers (1)
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Date posted: May 4, 2017. Answers (1)
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Date posted: May 4, 2017. Answers (1)
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The diagram below shows the gaseous exchange system of a locust.
(a) Name the structure labelled Q.
(b) State the function of the part labeled R.
(c) How is the part labeled S structurally adapted tom its function?
Date posted: May 4, 2017. Answers (1)
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The diagram below represents a model used to demonstrate breathing in mammals.
(a) Name the mammalian structure represented by the parts labeled D and E.
(i) D (ii) E
(b) State the observation made when the string is pulled downwards
(c) Explain the observation in (b) above
Date posted: May 4, 2017. Answers (1)
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Date posted: May 4, 2017. Answers (1)
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(a) Name the parts labelled F and G.
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Date posted: May 4, 2017. Answers (1)
- (a) Name the causative agents for the following respiratory diseases. (i) Whooping cough. (ii) Pneumonia
b) How are the pneumatophores adapted to their function? (Solved)
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Date posted: May 4, 2017. Answers (1)
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Date posted: May 4, 2017. Answers (1)
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Apart from the lungs, name two gaseous exchange surface in a frog.
Date posted: May 4, 2017. Answers (1)
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(b) How is the surface named in (a) above suited to its function. (Solved)
(a) Name the gaseous exchange surface in insects.
(b) How is the surface named in (a) above suited to its function.
Date posted: May 4, 2017. Answers (1)