Given below are two statements.
Statement I: Mantle cavity is present between visceral hump and mantle layer in Pinctada.
Statement II: In molluscs, excretory organs are absent.
In light of the above statements, choose the correct answer from the options given below.

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Statement I is false, but Statement II is true.

Both Statement I and Statement II are false.

Both Statement I and Statement II are true.

Statement I is true but Statement II is false.

answer is C.

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Detailed Solution

Statement I is true. Mantle cavity is present between visceral hump and mantle layer in Pinctada.

Statement II is false. In molluscs, metanephridia are the excretory organs. Feather-like gills in mantle cavity are also excretory in function.

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