Moulting hormone is secreted by
corpora cardacum
corpora allata
neurosecretory hormone
prothoracic gland
Movements by pseudopodia of Amoeba are due to change in
pressure
atmosphere
temperature
viscosity
From outer to inside the sequence of three bones present in the middle ear of mammals is
malleus, stapes and incus
stapes, malleus and incus
malleus, incus and stapes
incus, malleus and stapes
In sea anemone, the symmetry is
radial
bilateral
spherical
absent
A.
radial
In radial symmetry, body is divided into two similar halves by more than two planes passing through the main axis.
Cnidarians or coelenterates such as Hydra, sea anemone, Aurelia, Obelia etc are radially symmetrical animals with cell- tissue grade of body organizations.