Protista & Animal Diversity

Leucosolenia belongs to

• Class: Calcispongiae

• Class: Demospongiae

• Class: Hyalosongiae.

• Class: Anthozoa

Following structure is found in Paramecium which is used for defence.

• Kinetosome

• Alveolus

• Cilium

• Trichocyst

Euplectella is commonly called

• glass sponge

• crown sponge

• spongilla

• sycon

Alternation of generation among cnidarians is called

• metastasis

• metamerism

• metagenesis

• metazoa

Halistemma is a

• cubozoan

• Demospongiae

• Hydroazoan

• Anthozoan

Lining the spongocoel & the canal system are a unique type of flagellated cells called

• Trichocyst

• Choanocytes

• Parenchymula

• flame cells

Asconoid type canal system is found in

• Leucosolenia

• Euplectella

• Songilla

• Microciona

Free swimming flagellated larva of Leucosolenia

• Parenchymula

• Gemmule

• Amphiblastula

• Zoanthina larva