XI - ZOO - CH - 4 - Animal kingdom - 1

Which of the following is a basic feature of all the organisms of Animalia?

• Multicellular structure

• Sensory and neuromotor system

• Terrestrial habitat

• Locomotion

Which of the following animals are true coelomates with bilateral symmetry?

• Adult Echinoderms

• Aschelminthes

• Platyhelminthes

• Annelids

Which one of the following kinds of animals are triploblastic?

• Flatworms

• Sponges

• Ctenophores

• Corals

Which one of the following statements about certain given animals is correct?

• Roundworms (Aschelminthes) are pseudocoelomates.

• Molluscs are acoelomates.

• Insects are pseudocoelomates.

• Flatworms (Platyhelminthes) are coelomates.

Which one of the following groups of animals is bilaterally symmetrical and triploblastic?

• Aschelminthes (roundworms)

• Ctenophores

• Sponges

• Coelenterates (cnidarians)

Metameric segmentation is the characteristic of

• mollusca and chordata

• platyhelminthes and arthropoda

• echinodermata and annelida

• annelida and arthropoda.

The animals with bilateral symmetry in young stage and radial pentamerous symmetry in the adult stage, belong to the Phylum

• Annelida

• Mollusca

• Cnidaria

• Echinodermata

Which of the following Phylum have scattered cells with cell - tissue grade organisation?

• Porifera

• Coelenterate

• Platyhelminthes

• Aschelminthes

Coelom is found between

• body wall and ectoderm

• ectoderm and endoderm

• mesoderm and endoderm

• mesoderm and ectoderm.

Bilaterally symmetrical and acoelomate animals are exemplified by

• ctenophora

• platyhelminthes

• aschelminthes

• annelida.