Assertion: In molluscs, feather-like gills are present in mantle cavity. Reason: These gills have respiratory and excretory functions.

Question

Assertion: In molluscs, feather-like gills are present in mantle cavity. Reason: These gills have respiratory and excretory functions. (A) If both assertion and reason are true and reason is the correct explanation of assertion (B) If both assertion and reason are true but reason is not the correct explanation of assertion (C) If assertion is true but reason is false (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

In molluscs, the space between the mantle and the hump is called mantle cavity in which feather-like gills are present. They have both respiratory and excretory functions.

Q. Assertion : In molluscs, feather-like gills are present in mantle cavity. Reason : These gills have respiratory and excretory functions.

If both assertion and reason are true and reason is the correct explanation of assertion

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false

In molluscs, the space between the mantle and the hump is called mantle cavity in which feather-like gills are present. They have both respiratory and excretory functions.

Q. Assertion : In molluscs, feather-like gills are present in mantle cavity.
Reason : These gills have respiratory and excretory functions.