Q. Which of the following animals have tube within tube body plan evolved along deuterostomic evolutionary line?
A. Annelids
B. Arthropods
C. Echinoderms
D. Molluscs
Answer: Echinoderms
Take Mock Tests
| Government Schemes Mock Test | Start Test! |
| Political Science Mock Test – 42 | Start Test |
| History Test – 190 | Start Test |
| Quantitative Aptitude Test | Start Test! | Data Interpretation - Mock Test | Start Test! |
| General Awareness - Mock Test | Start Test! |
| Reasoning Ability - Mock Test | Start Test! |
We will be happy to hear your thoughts