First slide

Classification of Animals

Question

Study the following.
(a)     Taenia – Flame cells
(b)    Asterias – Proboscis glands
(c)     Balanoglossus – Green gland
(d)    Nereis – Nephridia
Which of the above are the correct combinations of an animal and its excretory organs?

Moderate

A

(a) and (b)
B

(a), (b) and (d)
C

(b) and (c)
D

(a) and (d)

Solution

Special excretory organs are absent in echinoderms (e.g., Asterias). Excretory organ of Balanoglossus (Hemichordata) is proboscis gland. Green glands occurs in crustaceans.

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