Which one of the following statements is incorrect?

1.	In cockroaches and prawns, excretion of waste material occurs through malpighian tubules.
2.	In ctenophores, locomotion is mediated by comb plates.
3.	In Fasciola flame cells take part in excretion.
4.	Earthworms are hermaphrodites and yet cross fertilization take place among them.

Which one of the following is oviparous?

Which one of the following is not a poisonous snake?

Match the following list of animals with their level of organization.

Choose the correct match showing division of labour with animal example:

Body cavity is the cavity present between body wall and gut wall. In some animals, the body cavity is not lined by mesoderm. Such animals are called

‘Cephalization’ in animals was facilitated by evolution of:
1. Radial symmetry
2. Tissue grade organization
3. Bilateral symmetry
4. True coelom

Identify the correct statement:
1. All pseudocoelomates are protostomes
2. All bilaterally symmetrical animals have a coelom
3. All animals have at least a tissue grade organization
4. All radially symmetrical animals are diploblastic

Animals with bilateral symmetry have all the following except:
1. Anterior and posterior end
2. Right and left half
3. Dorsal and ventral surface
4. Oral and aboral surface

Biradial symmetry is seen in members of:
1. Cnidaria
2. Ctenophora
3. Molluska
4. Hemichordata

A cell isolated from a four-cell stage larva can develop into a complete animal in:
1. Snail
2. Earthworm
3. Sea urchin
4. Drosophila