Fill in the blank with the correct answer from the bracket.

Spongilla comes under the class . (Calcarea, Hexactinellida, Demospongiae)

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Important Questions on Animal Diversity- I (Invertebrate Phyla)

EASY

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Porifera

A sponge harmful to oyster industry is ___.

EASY

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Porifera

In the case of Poriferans, the spongocoel is lined with flagellated cells called

EASY

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Porifera

Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum:

MEDIUM

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Porifera

Match the type of cells given in Column I with organisms gives in Column II. Choose the appropriate combination from the options below.

Column I		Column II
(P)	Flame cells	(i)	Sponges
(Q)	Collar cells	(ii)	Hydra
(R)	Stinging cells	(iii)	Planaria

EASY

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Porifera

The spongocoel of Leucosolenia is lined with

HARD

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Porifera

Which one of the following insect does not live together in a colony like honeybees?

EASY

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Porifera

Skeleton made of spongin fibres occurs in:

EASY

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Porifera

Give the correct match in the following

	Column I		Column II
A.	Flame Cells	p.	Sponges
B.	Collar Cells	q.	Hydra
C.	Stinging Cells	r.	Planaria
-	-	s.	Ascaris

EASY

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Porifera

Collar cells form the lining of spongocoel in

MEDIUM

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Porifera

Match the column A with column B and choose the correct option

Column I	Column II
A. Porifera	i. Canal system
B. Aschelminthes	ii. Water-vascular system
C. Annelida	iii. Muscular pharynx
D. Arthropoda	iv. Jointed appendages
E. Echinodermata	v. Metamere