Q.

Read the following combinations:

(a) Parapodia – Annelida

(b) Radula – Mollusca

(c) Gill slits – Hemichordata

(d) Comb plates – Echinodermata

(e) Scales – Cyclostomata

(f) Water vascular system – Porifera

The INCORRECT combinations in the above are

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a

d, e and f

b

a, d, e and f

c

a, b and c

d

a, b, c and f

answer is A.

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Detailed Solution

Comb plates are found in Ctenophora

Scales are absent in Cyclostomata

Water vascular system is present in Echinodermata.

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Read the following combinations:(a) Parapodia – Annelida(b) Radula – Mollusca(c) Gill slits – Hemichordata(d) Comb plates – Echinodermata(e) Scales – Cyclostomata(f) Water vascular system – PoriferaThe INCORRECT combinations in the above are