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The breakdown of pyruvate to give carbon dioxide, water, and energy takes place in ______.
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What are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration.
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How are the alveoli designed to maximise the exchange of gases?
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What would be the consequences of a deficiency of haemoglobin in our bodies?
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Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.
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How does a solenoid behave like a magnet? Can you determine the north and south poles of a current-carrying solenoid with the help of a bar magnet? Explain.
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Draw a ray diagram to explain the term angle of deviation.
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Why do the component colours of incident white light split into a spectrum while passing through a glass prism, explain
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In the following diagram the correctly marked angles are :
(a) ∠A and ∠e
(b) ∠i, ∠A and ∠D
(c) ∠A ∠r and ∠e
(b) ∠A ∠r and ∠D
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Study the following ray diagram:
In this diagram, the angle of incidence, the angle of emergence and the angle of deviation respectively have been represented by
(A) y, p, z
(B) x, q, z
(C) p, y, z
(D) p, z, y
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Define the term dispersion of white light.
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Draw a ray diagram to show the dispersion of white light.
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State the cause of dispersion of white light
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Mention any two components of blood.
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Trace the movement of oxygenated blood in the body.
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What is observed when a solution of sodium sulphate is added to a solution of barium chloride taken in a test tube? Write equation for the chemical reaction involved and name the type of reaction in this case.
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What would happen if all the green plants disappear from the earth?
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If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring? Justify your answer.
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Which of the following is the correct statement regarding bile?
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Name one substance which is produced in anaerobic respiration by an organism but not in aerobic respiration.
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