ICSE Class X Biology 2015 Solved Papers

Given below is an example of a certain structure and its special functional activity. On a similar pattern fill in the blanks with suitable functions :
Example : Chloroplast and Photosynthesis :

Question : 29 of 98

Marks: +1, -0

Eustachian Tube and ............ .

Solution:

Eustachean tube and equalize air pressure on either side of the ear drum.

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