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Single circulation i.e., blood flows through the heart only once during one cycle of passage through the body, is exhibited by

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Important Questions on Transport in Mammals

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Biology>Physiology P1>Transport in Mammals>Transport System in Animals
What is transpiration? List its two functions.
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Biology>Physiology P1>Transport in Mammals>Transport System in Animals
Where do the substances in plants reach as a result of translocation?
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Biology>Physiology P1>Transport in Mammals>Transport System in Animals
What is translocation? Why is it essential for plants?
MEDIUM
Biology>Physiology P1>Transport in Mammals>Transport System in Animals
Trace the movement of oxygenated blood in the body.
EASY
Biology>Physiology P1>Transport in Mammals>Transport System in Animals
Write the function of valves present in between atria and ventricles.
EASY
Biology>Physiology P1>Transport in Mammals>Transport System in Animals
Write one structural difference between the composition of artery and veins.
EASY
Biology>Physiology P1>Transport in Mammals>Transport System in Animals
Mention any two components of blood.
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Biology>Physiology P1>Transport in Mammals>Transport System in Animals
Why are the gills of Fish fine and delicate?
EASY
Biology>Physiology P1>Transport in Mammals>Transport System in Animals
Explain double circulation in fishes.
MEDIUM
Biology>Physiology P1>Transport in Mammals>Transport System in Animals
In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body?
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Biology>Physiology P1>Transport in Mammals>Transport System in Animals
Explain the statement: Blood goes only once through the heart in fishes.
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Biology>Physiology P1>Transport in Mammals>Transport System in Animals
Describe the circulatory system in a fish.
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Biology>Physiology P1>Transport in Mammals>Transport System in Animals
Why is closed circulatory system more efficient than the open circulatory system?
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Biology>Physiology P1>Transport in Mammals>Transport System in Animals
Explain double circulation in amphibians.
HARD
Biology>Physiology P1>Transport in Mammals>Transport System in Animals
Name any two animals which do not have blood (or circulatory system).
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Biology>Physiology P1>Transport in Mammals>Transport System in Animals
To which part oxygenated blood from gills is taken in a fish? (Operculum/ Heart/ Lungs/ Body)
EASY
Biology>Physiology P1>Transport in Mammals>Transport System in Animals
Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?
HARD
Biology>Physiology P1>Transport in Mammals>Transport System in Animals

Match the items given in column A with items given in column B.

    Column A      Column B
i) A fish A) 72 per minute
ii) Left atrium B) Fight infections
iii) Tissue fluid  C) 2 chambered heart 
iv) Pulse D) Oxygenated blood
v) White blood cells E) Becomes lymph in the lymph capillaries
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Biology>Physiology P1>Transport in Mammals>Transport System in Animals
Write down the essential features of heart of the fish .
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Biology>Physiology P1>Transport in Mammals>Transport System in Animals
What is the difference between heart of fish and that of frog?