Question

Silver fish is

(a) Mollusca

(b) Arthropoda

(c) Cnidaria

(d) Annelida


Study of shells of mollusca is known as

(a) Malcology

(b) Conchology

(c) Ophiology

(d) Saurology


Tailed Amphibian is

(a) Unio

(b) Urodele

(c) Salamander

(d) Nautilus


Larva is radially symmetrical but adult is Bilateral symmetry in

(a) Phylum Mollusca

(b) Phylum Echinodermata

(c) Phylum Annelida

(d) Phylum Hemichordata


Gill cover in fishes are also called as

(a) operculam

(b) Parapodium

(c) Scales

(d) Dentalium


Pseudocoelomate among the following are

(a) Wucheraria

(b) Planaria

(c) Periplanata

(d) None


Phylum Echinodermata

(a) All are freshwater

(b) Some are marine

(c) All are marine
(d) Except few all are marine​

Answer 1

Explanation:

(c) Cnidaria

(c) Periplanata

Except few all are marine

Answer 2

Explanation:

• (a) All are freshwater

• (b) Some are marine

hope it helps!!