Animal kingdom

Hermaphrodite is synonymous to

• monoecious

• dioecious

• unisexual

• none

Indirect development signifies

• oviparous

• viviparous

• metamorphosis

• none

Enterocoelom is

• present in protostomes

• formed by splitting of mesoderm

• included in Arthropods and Annelida

• present in Chordates and Echinoderms

Protostomes includes

• Chordates

• Insects

• Platyhelminthes

• Starfish

First Bilaterally symmetrical and Triploblastic phylum is

• Aschelminthes

• Annelida

• Ctenophora

• Platyhelminthes

Which of the following characterstics are displayed by Poriferans

a) They are dioecious and undergo metamorphosis

b) Their Skeleton is made up of Spicules and Spongin

c) They show intra and extra cellular digestion

d) They have cellular level of Organisation

• a ,b ,c

• b ,c, d

• b and c

• b and d

Flow of water in canal system is

• Ostia --> Spongocoel --> Osculum

• Spongocoel --> Ostia --> Osculum

• Spicules --> Spongocoel --> Ostia

• Osculum --> Ostia --> Spongin

What is the scientific name of Sycon

• glass rope sponge

• Scypha

• Fresh water sponge

• Bath sponge

Notochord is

• Endodermal derived

• Ventral

• present in Vertebrates

• absent in non chordates

Metamerism is first found in

• Platyhelminthes

• Arthropods

• Annelids

• Chordates