Analytical questions from 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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Choose the best answer:

Ramu and Felix visited a leech bio pharm, and they met a biologist who is in charge of that area. After visiting the farm, they asked some questions.

Important!

Note: The questions are as follows. The answer given by the biologist is among the options. Please select the correct answer.

1. How many segments are there in the leech?

The range of number of segments are between 30-35 no's.
The range of number of segments are between 9 to 11 no's.
The range of number of segments are between 20-25 no's.
The body of a leech is divided into 33 segments.

2. We have seen that leeches are swimming very actively, but they move slowly inside the boxes. Would you please tell us the mechanism involves for these two functions?

For crawling movement it uses suckers for the attachment on the substrate which is not required in the case of swimming
The metabolic rate of leeches are much higher in water than on land
Water gives more energy to leeches

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18. Analytical questions from structural organisation of leech

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