Match List I with List II.
List I | List II | ||
A. | Echinoderms | 1. | Air bladder |
B. | Hemichordata | 2. | Placoid scale |
C. | Chondrichthyes | 3. | Water vascular system |
D. | Ostrichthyes | 4. | Probosis gland |
Choose the correct answer from the options given below.
A 
B 
C 
D
Text Solution
Verified by ExpertsA
The correct matches are A-3, B-4, C-2, D-1.
The most distinctive feature of echinoderms is the presence of water vascular system.
Excretory organ of Hemichordate is proboscis gland.
The skin of Chondrichthyes is tough, containing minute placoid scales.
Air bladder is present in Osteichthyes which regulate buyoancy.
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