Cell-tissue-body organization is a characteristic feature of
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:
A bilaterally symmetrical animal can be divided into mirror images by
The evolution of an internal body cavity was an important improvement in animal body design in which area?
Metamerism is characteristic of
The blind sac body plan is shown by
______ is the study of internal structures of an organism.
In which of the following symmetry, the response to external stimulus is quicker and more precise?
Tissue grade of organisation originated from
True segmentation (metameric) occurred for the first time in
True segmentation (metameric) occurred for the first time in
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
