Q. Comb plates for locomotion are found in:

 1195  210 NTA AbhyasNTA Abhyas 2020Animal Kingdom Report Error

Solution:

Ctenophores are characterized by eight rows of cilia, which are used for locomotion. The cilia in each row are arranged to form a stack of combs, also called comb plates; thus, the name ctenophore comes from the Greek word meaning 'comb bearer'.