Animal Kingdom Non Chordates Quiz No:3

Questions No:1

Sponges are

[A] unisexual

[B] dioecious

[C] hermaphrodites

[D] sexually dimorphic

Questions No:2

The name ‘Cnidaria’ refers to

[A] totipotent cnidocy tes

[B] stinging cnidocytes

[C] gastro-vascular cavity

[D] ciliated cnidocytes

Questions No:3

Cnidoblasts in a coelenterate help in

[A] anchorage

[B] defense

[C] prey capture

[D] all of these

Questions No:4

Digestion in coelenterates is

[A] intracellular

[B] extracellular

[C] both (1) & (2)

[D] outside the body

Questions No:5

Corals are rich in

[A] silica

[B] strontium sulphate

[C] calcium carbonate

[D] hydroxyapatite

Questions No:6

Sessile zooid of coelenterates is

[A] medusa

[B] polyp

[C] gonozooid

[D] pneumatophore

Questions No:7

Metagenesis is seen in the life history of

[A] Hydra

[B] Adamsia

[C] Obelia

[D] Meandrina

Questions No:8

Identify the incorrect pair

[A] Physalia – Portuguese man-of-war

[B] Adamsia – sea anemone

[C] Gorgonia – sea pen

[D] Meandnna – brain coral

Questions No:9

Aurelia is

[A] sessile

[B] umbrella-shaped

[C] polyp like

[D] polymorphic

Questions No:10

Alternation of generation shown by coelenterates is termed

[A] metastasis

[B] metaphysis

[C] metamorphosis

[D] metagenesis

Questions No:11

A feature of coelenterates is

[A] triploblastic

[B] organs

[C] cnidocytes

[D] choanocytes

Questions No:12

Ctenophores are commonly called

[A] jelly fishes

[B] sea biscuits

[C] sea walnuts

[D] sea lions

Questions No:13

Bioluminescence is exhibited by

[A] Physalia

[B] Pleurobrachia

[C] Pavo

[D] Pennatula

Questions No:14

Ctenophores differ from cnidarians by the presence of

[A] organs

[B] cnidocytes

[C] ciliated comb plates

[D] diploblastic

Questions No:15

A feature of Ctenophores is

[A] fresh water habitat

[B] asexual reproduction

[C] locomotion by ciliated plates

[D] absence of larval form

Questions No:16

Ctenophores share more similarities with

[A] Porifera

[B] Platyhelminthes

[C] Coelenterata

[D] Annelida

Questions No:17

Ctenoplana is characterized by

[A] cnidocytes

[B] choanocytes

[C] bisexual nature

[D] spongocoel

Questions No:18

Which of the following is not a character of Taenia solium?

[A] Apolysis

[B] Proglottid

[C] Complete gut

[D] Flame cells

Questions No:19

Flatworms are mostly

[A] ectoparasites

[B] coelomates

[C] endoparasites

[D] free living

Questions No:20

Platyhelminthes are characterised by

[A] lack of organisation

[B] presence of flame cells

[C] triploblastic nature

[D] bioluminescence