Match List - I with List - II . List - I List - II (a) Metamerism (i) Coelenterata (b) Canal system (ii) Ctenophora (c) Comb plates (iii) Annelida (d) Cnidoblasts (iv) Porifera

( a ) − ( iii ) ; ( b ) − ( iv ) ; ( c ) − ( ii ) ; ( d ) − ( i )

( a ) − ( iv ) ; ( b ) − ( iii ) ; ( c ) − ( i ) ; ( d ) − ( ii )

( a ) − ( iii ) ; ( b ) − ( iv ) ; ( c ) − ( i ) ; ( d ) − ( ii )

( a ) − ( iv ) ; ( b ) − ( i ) ; ( c ) − ( ii ) ; ( d ) − ( iii )

MEDIUM

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Spicules of silica occur in:

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Important Questions on Invertebrate Phyla

EASY

Biology>Animal Diversity-I>Invertebrate Phyla>Phylum Porifera

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

EASY

Biology>Animal Diversity-I>Invertebrate Phyla>Phylum Porifera

A sponge harmful to oyster industry is ___.

EASY

Biology>Animal Diversity-I>Invertebrate Phyla>Phylum Porifera

Match List $- I$ with List $- II$ .

List $- I$		List $- II$
(a)	Metamerism	(i)	Coelenterata
(b)	Canal system	(ii)	Ctenophora
(c)	Comb plates	(iii)	Annelida
(d)	Cnidoblasts	(iv)	Porifera

EASY

Biology>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:

EASY

Biology>Animal Diversity-I>Invertebrate Phyla>Phylum Porifera

Syncoid canal system is present in _____ (Sycon/Nereis).

MEDIUM

Biology>Animal Diversity-I>Invertebrate Phyla>Phylum Porifera

Are bath sponges alive?

EASY

Biology>Animal Diversity-I>Invertebrate Phyla>Phylum Porifera

Food storage in Leucosolenia occur by

EASY

Biology>Animal Diversity-I>Invertebrate Phyla>Phylum Porifera

Which type of cells are absent in sponges?

EASY

Biology>Animal Diversity-I>Invertebrate Phyla>Phylum Porifera

Skeleton made of spongin fibres occurs in:

MEDIUM

Biology>Animal Diversity-I>Invertebrate Phyla>Phylum Porifera

Which one of the following statement about all the four of Spongilla, Leech, Dolphin and Penguin is correct?

EASY

Biology>Animal Diversity-I>Invertebrate Phyla>Phylum Porifera

What are the

3

types of sponges?

EASY

Biology>Animal Diversity-I>Invertebrate Phyla>Phylum Porifera

Spongilla belongs to a group of animals which are best described as multicellular organism with water vascular system. This statement is true or false?

EASY

Biology>Animal Diversity-I>Invertebrate Phyla>Phylum Porifera

The Sycon genus belongs to the phylum Arthropoda.

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Biology>Animal Diversity-I>Invertebrate Phyla>Phylum Porifera

Metazoans without tissue grade organization are called as

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Biology>Animal Diversity-I>Invertebrate Phyla>Phylum Porifera

Identify $A, B, C$ and select the correct option

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