ICSE Class X Biology 2015 Solved Papers

SECTION - II

The diagram alongside shows two test-tubes $A$ and $B$ . Test-tube A contains a green water plant. Test-tube $B$ contains both a green water plant and a snail. Both Test-tubes are kept in sunlight. Answer the questions that follow :

Question : 38 of 98

Marks: +1, -0

What is the purpose of keeping a snail in test-tube '

B

Solution:

So that snail can release carbon di oxide into the water for plant.

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