Read the following statements and find out the incorrect statement.

Question

Read the following statements and find out the incorrect statement. (A) Animals belonging to phylum Chordata are fundamentally characterised by the presence of a notochord, a dorsal hollow nerve cord and paired pharyngeal gills slits. (B) In echinoderms, larva is free-swimming. (C) In non-chordates, central nervous system is ventral, solid and double. (D) In non-chordates, gill slits, post-anal tail, heart and notochord all are absent

Tardigrade Admin · Accepted Answer

In non-chordates; gill slits, post-anal tail, heart and notochord all are absent; heart may be present

Q. Read the following statements and find out the incorrect statement.

Animals belonging to phylum Chordata are fundamentally characterised by the presence of a notochord, a dorsal hollow nerve cord and paired pharyngeal gills slits.

In echinoderms, larva is free-swimming.

In non-chordates, central nervous system is ventral, solid and double.

In non-chordates, gill slits, post-anal tail, heart and notochord all are absent

In non-chordates; gill slits, post-anal tail, heart and notochord all are absent; heart may be present