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How many pairs of heart are present in earthworms?

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Important Questions on Diversity in Living World

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NDA & NA EE
IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination General Science>Chapter 1 - Diversity in Living World>Practice Exercise>Q 36
Excretory organs of earthworm are
EASY
NDA & NA EE
IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination General Science>Chapter 1 - Diversity in Living World>Practice Exercise>Q 37
Blood vessel in Pheretima having valve is
EASY
NDA & NA EE
IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination General Science>Chapter 1 - Diversity in Living World>Practice Exercise>Q 38
In Echinodermata, tube feet are related with
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NDA & NA EE
IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination General Science>Chapter 1 - Diversity in Living World>Practice Exercise>Q 39
Which sound producing organ is found in bird?
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NDA & NA EE
IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination General Science>Chapter 1 - Diversity in Living World>Practice Exercise>Q 40
Haemoglobin is dissolved in blood plasma of
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IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination General Science>Chapter 1 - Diversity in Living World>Practice Exercise>Q 41
Major nitrogenous excretory material of earthworm is
MEDIUM
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IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination General Science>Chapter 1 - Diversity in Living World>Practice Exercise>Q 42
Housefly transmits all the diseases except:
EASY
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IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination General Science>Chapter 1 - Diversity in Living World>Practice Exercise>Q 43
Johnston's organ is found in