OnlineCBT
Biology · ANIMAL KINGDOM
हिन्दीMatch List-I with List-II: \n List-I List-II A Cyclostomata I Terminal mouth, 4 pairs of gills with operculum, cycloid scales B Chondrichthyes II Fully ossified pneumatic bones, crop & gizzard in digestive tract C Osteichthyes III Placoid scales, persistent notochord, gill slits without operculum D Aves IV Sucking circular jawless mouth, 6-15 pairs of gill slits, body devoid of scales \n Choose the correct answer from the options given below:
Match List-I with List-II:
\n| List-I | List-II | ||
|---|---|---|---|
| A | Cyclostomata | I | Terminal mouth, 4 pairs of gills with operculum, cycloid scales |
| B | Chondrichthyes | II | Fully ossified pneumatic bones, crop & gizzard in digestive tract |
| C | Osteichthyes | III | Placoid scales, persistent notochord, gill slits without operculum |
| D | Aves | IV | Sucking circular jawless mouth, 6-15 pairs of gill slits, body devoid of scales |
Choose the correct answer from the options given below:
Correct answer · Option C
A-(IV), B-(III), C-(I), D-(II)
Explanation
Cyclostomata have jawless circular sucking mouth and 6-15 pairs of gill slits (A-IV). Chondrichthyes have placoid scales and lack operculum (B-III). Osteichthyes have terminal mouth, 4 pairs of gills covered by operculum (C-I). Aves feature pneumatic bones and digestive crop/gizzard (D-II).
