NEET BIOLOGY

Detailed explanation-1: -Members of phylum Mollusca have a file-like rasping organ called a radula in their mouth that helps in feeding.

Detailed explanation-2: -Rasping, in particular, connotes grating, scraping, and other related phrases. Similarly, the Mollusca rasping organ is a flexible tongue-like organ with rows of teeth on the surface that is used for scraping or cutting the acquired food.

Detailed explanation-3: -The radula is a rasping organ-like file of transverse rows of chitinous teeth found in many molluscs’ buccal cavities. It is used until it reaches the intestine, for scrapping or chopping food. It’s like a ribbon that is similar to a tongue.

Detailed explanation-4: -File-like rasping organ for feeding called as radula is present in all molluscs, except.

Detailed explanation-5: -It is a rasping organ. It’s a tongue-like organ with teeth on the outside. They allow the creature to sweep and scrape food from the surface, which it then consumes.