- 1(current)
Q. No.Chondrichthyes:
| 1. | are marine animals and have cartilaginous endoskeleton |
| 2. | have a mouth located dorsally |
| 3. | have teeth that are modified cycloid or ctenoid scales directed backwardly |
| 4. | have the capacity to regulate their body temperature |
Subtopic: Â Comparative study of Cartilagenous & Bony Fishes |Â Class Chondrichthyes |
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Which of the following is not a cartilaginous fish?
| 1. Saw fish | 2. Dog fish |
| 3. Sea horse | 4. Sting ray |
Subtopic: Â Comparative study of Cartilagenous & Bony Fishes |Â Class Chondrichthyes |
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What would not be true regarding cartilaginous fishes?
| 1. | In males, pelvic fins bear claspers |
| 2. | Some of them have electric organs [Torpedo] |
| 3. | None of them is viviparous |
| 4. | Some possess poison sting [Trygon] |
Subtopic: Â Comparative study of Cartilagenous & Bony Fishes |Â Class Chondrichthyes |
 87%
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Q. No.
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