SSC CGL 2022 PYQ — Question 40

The correct answer is Option 1 i.e. Repltiles.

• Non-chordates are animals that do not have a notochord.
• A notochord is also commonly called a backbone.
• Non-chordates respire through gills, the trachea, or body surfaces rather than lungs. They are ectothermic (cold-blooded). They have a central nervous system but may or may not have a brain.