Levels of Organisation

Q. Organ level of body organisation is found in which organism?

1. Liver fluke
2. Ascaris
3. Sponges
4. Earthworm

Q.

Match the following list of animals with their level of organisation:

Animal	Level of organisation
A. Pheretima	I. Organ level
B. Fasciola	II. Cellular level
C. Spongilla	III. Tissue level
D. Obelia	IV. Organ system level

1. A-I, B-III, C-IV, D-II
2. A-II, B-IV, C-III, D-I
3. A-IV, B-I, C-II, D-III
4. A-I, B-II, C-III, D-IV

Q. Match the following levels of organisation with their respective example.

	Level		Example
A	Cellular	1	Chordates
B	Tissue	2	Platyhelminthes
C	Organ	3	Coelenterates
D	Organ system	4	Sponges

1. A-1, B-2, C-3, D-4
2. A-2, B-1, C-4, D-3
3. A-4, B-3, C-2, D-1
4. A-3, B-4, C-1, D-2

Q.

Match the following list of animals with their level of organisation:

Animal	Level of organisation
A. Pheretima	I. Organ level
B. Fasciola	II. Cellular level
C. Spongilla	III. Tissue level
D. Obelia	IV. Organ system level

1. A-I, B-III, C-IV, D-II
2. A-II, B-IV, C-III, D-I
3. A-IV, B-I, C-II, D-III
4. A-I, B-II, C-III, D-IV

Q. Select the levels of body organisation.

1. Organellar
2. Bilateral
3. Cellular
4. Tissue level
5. Radial
6. Organ
7. Diplobastic
8. Organ system