Structural organisation of leech — task. Science State Board, Class 10.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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In the given exercise, an Assertion is followed by the corresponding Reason. Mark the suitable answer from the given options:

Assertion:	During sucking of blood, leech will takes on a ribbon shape.
Reason:	When contracted, leech takes on a nearly cylindrical shape.

Both assertion and reason are correct and reason is the correct explanation of assertion.
Both assertion and reason are correct, but reason is not the correct explanation of assertion.
Assertion is correct but reason is false.
Assertion is false, but reason is correct

Assertion:	Respiration takes place through the skin in leech.
Reason:	In leech, dense network of tiny blood vessels called as capillaries containing the haemocoelic fluid extend in between the cells of the epidermis.

Both assertion and reason are correct and reason is the correct explanation of assertion
Both assertion and reason are correct, but reason is not the correct explanation of assertion.
Assertion is correct but reason is false.
Assertion is false, but reason is correct.

Did you find an error?

14. Structural organisation of leech