Aldrovanda is

Options

A. Flycatcher plant
B. Water flea trap
C. Devil's foot
D. None of these

Answer

B

Explanation

Aldrovanda is a free-floating and rootless aquatic plant. Its common name is water wheel plant because a single whorl of leaves cut from a stem is wheel-like. Each leaf in a whorl terminates in a little clam-like a trap.