Which one of the following groups of animals is bilaterally symmetrical and triploblastic?
Important Questions on Animal Kingdom
Match the following and choose correct combination.
| Column I | Column II | ||
| i) | Cellular grade level | a) | Pheretima |
| ii) | Tissue grade level | b) | Schistosoma |
| iii) | Organ level | c) | Obelia |
| iv) | Organ system level | d) | Sycon |
| Column-I | Column-II | ||
| P | Mollusca | i | Pseudocoelom |
| Q | Annelida | ii | Radula |
| R | Nematoda | iii | Radial symmetry |
| S | Echinodermata | iv | Segmentation |
Choose the CORRECT combination.
Match the following
| List - I | List - II | ||
| (a) | Asymmetry | (i) | Cnidaria |
| (b) | Radial symmetry | (ii) | Platyhelminthes |
| (c) | Bilateral symmetry and Enterocoelom | (iii) | Porifera |
| (d) | Bilateral symmetry without body cavity | (iv) | Hemichordata |
The correct answer is
Which of the following phyla possess body cavity as shown in the diagram below?
Consider following features:
- Organ system level of organisation
- Bilateral symmetry
- True coelomates with segmentation of body.
Select the correct option of animal group which possess all the above characteristics:
Cell aggregate plan is found in:
In which of the following organ system level of organisation is observed?
Which of the following phylum possess multicellular, organ grade level of organisation?
1. Platyhelminthes
2. Porifera
3. Nematode
4. Protozoa
Cell aggregate plan is found in
The blind sac body plan is shown by
Heteronomous segmentation, i.e., the division of labour resulting in dissimilarity of the metameres of the different regions of the body, is found in the phyla
A bilaterally symmetrical animal can be divided into mirror images by
A coelom (body cavity) derived from blastocoel is known
Metamerism is characteristic of
______ is the study of internal structures of an organism.
True segmentation (metameric) occurred for the first time in
