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doubtly
Topic: Chordates up to classes· Diversity in Living World

Match the following columns and select the correct option.Column - I: (a) 6 - 15 pairs of gill slits (b) Heterocercal caudal fin (c) Air Bladder (d) Poison stingColumn - II: (i) Trygon (ii) Cyclostomes (iii) Chondrichthyes (iv) Osteichthyes

1. (a) (ii), (b) (iii), (c) (iv), (d) (i)

2. (a) (iii), (b) (iv), (c) (i), (d) (ii)

3. (a) (iv), (b) (ii), (c) (iii), (d) (i)

4. (a) (i), (b) (iv), (c) (iii), (d) (ii)

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