- 1(current)
Q. No.A marine cartilaginous fish that can produce electric current is:
| 1. | Pristis | 2. | Torpedo |
| 3. | Trygon | 4. | Scoliodon |
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes |
77%
Level 2: 60%+
AIPMT - 2014
Hints
Sharks and dogfishes differ from skates and rays by:
| 1. | Gill slits are ventrally placed |
| 2. | Head and trunk are widened considerably |
| 3. | Distinct demarcation between body and tail |
| 4. | Their pectorals fins are distinctly marked off from cylindrical bodies |
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes |
55%
Level 3: 35%-60%
NEET - 2013
Hints
What will you look for to identity the sex of the following? Select the correct match.
| 1. | Male frog – a copulatory pad on the first digit of the hind limb |
| 2. | Female cockroach – anal cerci |
| 3. | Male shark – claspers borne on pelvic fins |
| 4. | Female Ascaris – sharply curved posterior end |
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes |
61%
Level 2: 60%+
AIPMT - 2011
Hints
Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?
| 1. | Chordata – possess a mouth provided with an upper and a lower jaw |
| 2. | Chondrichthyes – possess cartilaginous endoskeleton |
| 3. | Mammalia – give birth to young ones |
| 4. | Reptilia – possesses 3-incomplete heart with one incompletely divided ventricle. |
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes |
79%
Level 2: 60%+
AIPMT - 2011
Hints
- 1(current)
Q. No.
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