Tardigrade
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Tardigrade
Question
Biology
Read the following statements and find out the incorrect statement.
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Q. Read the following statements and find out the incorrect statement.
Animal Kingdom
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.
20%
B
In echinoderms, larva is free-swimming.
12%
C
In non-chordates, central nervous system is ventral, solid and double.
20%
D
In non-chordates, gill slits, post-anal tail, heart and notochord all are absent
49%
Solution:
In non-chordates; gill slits, post-anal tail, heart and notochord all are absent; heart may be present