In sea anemone, the symmetry is

• radial

• bilateral

• spherical

• absent

Which of the following cell type is capable of giving rise to other cell types in sponges ?

• Thesocytes

• Pinacocytes

• Cnidocytes

• Archaeocytes

Malpighian tubµles are

• excretory organs of insects

• excretory organs of frog

• respiratory organs of insects

• endocrine glands of insects

The characteristic larva of phylum Coelenterata is

• planula

• cysticercus

• rhabditiform

• wriggler

Apis dorsata refers to

• rock bee

• little bee

• Indian bee

• European bee

Which of the following is not a character of Chordata?

• Dorsal tubular nerve cord

• Pharyngeal gill slits

• Presence of notochord

• Presence of spinal cord

247.

Salamandra atra is

• ovoviviparous

• oviparous

• sexuaily sterile

• parthenogenetic

Flying fish is

• Torpedo

• Scoliodon

• Anguilla

• Exocoetus

Ecdysone is secreted from:

• insecta

• trematoda

• nematoda

• polycheta

The group of anamniota includes:

• reptiles and birds

• birds and mammals

• fishes and amphibians

• reptiles, and mammals