Q. No.1. have tissues like nerve and muscle.
2. reproduce exclusively by sexual method.
3. are multicellular.
4. exhibit same pattern of organization of cells.
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| Statement I: | Sponges exhibit a cellular level of organization. |
| Statement II: | Cnidarians have a tissue level of organization. |
1. Statement I is correct but Statement II is incorrect.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is incorrect but Statement II is correct.
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| I: | Platyhelminthes |
| II: | Mollusca |
| III: | Annelida |
| 1. | Only I | 2. | Only II |
| 3. | Only II and III | 4. | I, II, and III |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| 1. | An open circulatory system | 2. | A closed circulatory system |
| 3. | A lymphatic system | 4. | A portal circulation |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| 1. | Bilateral symmetry | 2. | Three embryonic layers |
| 3. | Incomplete digestive system | 4. | Coelom |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| 1. | Ectoderm | 2. | Mesoderm |
| 3. | Endoderm | 4. | Gastroderm |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| I: | Bilateral symmetry is the body plan where the body of the animal can be divided into two identical halves through any plane passing through the central axis of the body. |
| II: | While Ctenophores and adult Echinoderms have bilateral symmetry, Annelida and Arthropods have radial symmetry. |
1. Statement I is correct but Statement II is incorrect.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is incorrect but Statement II is correct.
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| I: | This is seen in sponges, cnidarians, ctenophores and larval echinoderms. |
| II: | This type of body symmetry is generally seen in animals which move actively in their environment. |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Consider the given features:
| A: | Body cavity lined by mesoderm |
| B: | The mesoderm present as scattered pouches in between the ectoderm and the endoderm |
Select the correct option of animals having the features A and B:
| A | B | |
| 1. | Aschelminthes | Annelids |
| 2. | Platyhelminthes | Ctenophores |
| 3. | Arthropods | Molluscs |
| 4. | Arthropods | Aschelminthes |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| I: | The body is divided into segments only externally. |
| II: | There is a serial repetition of at least some organs. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
© 2024 GoodEd Technologies Pvt. Ltd.