What is incomplete digestion example?
Important Questions on Diversity In Living Organisms
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.
Which of the following phyla possess body cavity as shown in the diagram below?
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:
______ is the study of internal structures of an organism.
Level of organisation in sponges is
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
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
Represent the union of two sets by Venn diagram for each of the following.
is a prime number between and
is an odd number between and
True segmentation (metameric) occurred for the first time in
True segmentation (metameric) occurred for the first time in
