Multiple choice questions XXXXXII — task. Science CBSE, Class 9.

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1. Which of the following organisms possesses an open circulatory system?

(i) Arthropoda (ii) Mollusca
(iii) Annelida (iv) Cnidaria

(ii) and (iv)
(i) and (iii)
(i) and (ii)
(ii) and (iii)

2. Which among the following is a common feature of chordates?

Presence of gill pouches
Presence of notochord
Presence of coelom
The presence of a triploblastic condition

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