Column I | Column II | ||
A | Limulus | P | Gregarious pest |
B | Locusta | Q | Living fossil |
C | Ancylostoma | R | Filaria worm |
D | Wuchereria | S | Hookworm |
A | B | C | D | |
1. | Q | P | S | R |
2. | P | Q | S | R |
3. | P | Q | R | S |
4. | Q | P | R | S |
Statement I: | An undifferentiated layer, mesoglea, is present in between the ectoderm and the mesoderm in diploblastic organisms. |
Statement II: | A third germinal layer, endoderm, in between the ectoderm and mesoderm, is present in triploblastic animals. |
Column I | Column II | ||
A | Cnidaria | P | Metamerism |
B | Mollusca | Q | Tube feet |
C | Annelida | R | Metagenesis |
D | Echinodermata | S | Radula |
A | B | C | D | |
1. | R | Q | P | S |
2. | P | Q | R | S |
3. | R | S | P | Q |
4. | P | S | R | Q |
I: | Sponges are mostly asymmetrical. |
II: | Coelenterates, ctenophores and adult echinoderms have radial symmetry. |
III: | Annelids and arthropods exhibit bilateral symmetry. |