NEETBotanyAnimal Kingdom
Chondrichthyes Features Features A. Skin texture 1. Must swim constantly due to the absence of an air bladder B. Gill slit characteristics 2. Separate, without operculum C. Predatory nature 3. Predaceous D. Swimming necessity 4. Tough with placoid scales
Options
- AA - 4, B - 2, C - 3, D - 1
- BA - 2, B - 1, C - 3, D - 4
- CA - 1, B - 2, C - 3, D - 4
- DA - 2, B - 3, C - 4, D - 1
Correct answer
A. A - 4, B - 2, C - 3, D - 1
Step-by-step solution
Chondrichthyes have tough skin with placoid scales.Their gill slits are separate and lack an operculum.They are predaceous.They must swim constantly due to the absence of an air bladder.