A complete digestive system has one opening.
Important Questions on Animal Kingdom
| 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
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:
Which of the following has biradial sysmmetry?
Body cavity is the cavity present between body wall and gut wall. In some animals the body cavity is not lined by mesoderm. Such animals are called
Pseudocoelomate animals belong to the phylum
The 'bilateral symmetry' refers
Which of the following may exhibits biradial symmetry?
______ is the study of internal structures of an organism.
The type of symmetry belongs to animals is
True segmentation (metameric) occurred for the first time in
Metamerism is characteristic of
A coelom (body cavity) derived from blastocoel is known
The coelom not lined by mesoderm and directly connected to the archenteron is found in
