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Question

Match the following columns and select the correct option.

Column-I

Column-II

(a)

Tracheal system

(i)

Pila

(b)

Ciliated comb plates

(ii)

Echinus

(c)

Calcareous endoskeleton

(iii)

Pleurobrachia

(d)

Mantle and shell

(iv)

Periplaneta


A
(a) (b) (c) (d)
(iv) (iii) (ii) (i)
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B
(a) (b) (c) (d)
(i) (iii) (ii) (iv)
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C
(a) (b) (c) (d)
(iii) (ii) (iv) (i)
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D
(a) (b) (c) (d)
(iv) (iii) (i) (ii)
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Solution

The correct option is A (a) (b) (c) (d)
(iv) (iii) (ii) (i)
Respiration through tracheal system is present in cockroach.
Eight external rows of ciliated comb plates is characteristic of ctenophores. Echinoderms have an endoskeleton of calcareous ossicles. Mantle and shell are present in molluscs.

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