In contrast to Annelids, Platyhelminths show:
1. Absence of body cavity
2. Presence of pseudocoelom
3. Radial symmetry
4. Bilateral symmetry
Which one of the following statements is incorrect?
1. | Mesoglea is present in between ectoderm and endoderm in Obelia |
2. | Asterias exhibits radial symmetry |
3. | Fasciola is a pseudocoelomate animal |
4. | Taenia is a triploblastic animal |
A. | Cockroach | B. | Leech |
C. | Housefly | D. | Tapeworm |
E. | Earthworm |
1. | A, B and D only | 2. | C and D only |
3. | B, D and E only | 4. | A, C and E only |
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456875
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456875
A: | Platyhelminthes are triploblastic, pseudocoelomate and bilaterally symmetrical organisms. |
B: | Ctenophores reproduce only sexually and fertilization is external. |
C: | In tapeworm, fertilization is internal but sexes are not separate. |
D: | Ctenophores are exclusively marine, diploblastic and bioluminescent organisms. |
E: | In sponges, fertilization is external and development is direct. |
1. | (A), (C) and (D) only | 2. | (B), (C) and (D) only |
3. | (A) and (E) only | 4. | (B) and (D) only |
Bilaterally symmetrical and acoelomate animals are exemplified by:
1. Platyhelminthes
2. Aschelminthes
3. Annelida
4. Ctenophora