A sessile, cylindrical and radial symmetrical life form is found in

1. Hydra

2. Obelia

3. Adamsia

4. all of the above

Physalia is a coelenterate which is also known as

(1) sea pen

(2) sea fan

(3) Portuguese man of war

(4) sea anemone

Which of the following is wrong about Coelenterata?

(1) They are aquatic and exclusively marine animals.

(2) Cnidarians exhibit tissue level of organisation and are diploblastic.

(3) Some Cnidarians exhibit two forms namely Polyp and Medusa.

(4) Cnidoblasts are present on tentacles and body.

Match the following

1. 1-(i), 2-(ii), 3-(iii), 4-(iv)

2. 1-(iv), 2-(i), 3-(ii), 4-(iii)

3. 1-(iv), 2-(ii), 3-(iii), 4-(ii)

4. 1-(i), 2-(iv), 3-(iii), 4-(ii)

Meandrina which is also known as Brain Coral is a

(1) Poriferan

(2) Coelenterate

(3) Echinoderm

(4) Mollusc

Which of the following cnidarians are radially symmetrical and sessile?

(1) Hydra

(2) Aurelia

(3) Adamsia

(4) Both (1) and (3)

Hermaphroditism is found in which phyla?

(1) Ctenophora

(2) Platyhelminthes

(3) Porifera

(4) All of these.

Match the following cells/structures with their phyla of origin

(1) 1-(i), 2-(iv), 3-(ii), 4-(iii)

(2) 1-(iii), 2-(ii), 3-(iv), 4-(i)

(3) 1-(ii), 2-(iv), 3-(i), 4-(iii)

(4) 1-(ii), 2-(iii), 3-(i), 4-(iv)

Digestive system consists of a mouth and anus in which animals

(1) Ancylostoma

(2) Wuchereria

(3) Adamsia

(4) Both (1) and (2)

A high regeneration capacity is present in

(1) Planaria

(2) Ancylostoma

(3) Sepia

(4) Sea cucumber