- 1(current)
Q. No.In some animal groups, the body is found divided into compartments with at least some organs. This characteristic feature is called
| 1. | Segmentation | 2. | Metamerism |
| 3. | Metagenesis | 4. | Metamorphosis |
Subtopic: Â Basis of Classification |
 67%
Level 2: 60%+
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Given below are types of cells present in some animals. Which of the following cells can differentiate to perform different functions?
| 1. | choanocytes |
| 2. | interstitial cells |
| 3. | gastrodermal cells |
| 4. | nematocytes |
Subtopic: Â Basis of Classification |
Level 3: 35%-60%
Hints
Match the following list of animals with their level of organisation.
Choose the correct match showing division of labour with animal example.
1. (i)-B, (ii)-C,(iii)-D and (iv)-A
2. (i)-B, (ii)-D,(iii)-C and (iv)-A
3. (i)-D, (ii)-A, (iii)-B and (iv)-C
4. (i)-A,(ii)-D,(iii)-C and (v)-B
| Animal | Division of Labour |
| i. Pheretima ii. Fasciola iii. Spongilla iv. Obelia |
A. Organ level B. Cellular aggregate level C. Tissue level D. Organ system level |
1. (i)-B, (ii)-C,(iii)-D and (iv)-A
2. (i)-B, (ii)-D,(iii)-C and (iv)-A
3. (i)-D, (ii)-A, (iii)-B and (iv)-C
4. (i)-A,(ii)-D,(iii)-C and (v)-B
Subtopic: Â Basis of Classification |
 91%
Level 1: 80%+
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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
1. Acoelomate
2. Pseudocoelomate
3. Coelomate
4. Haemocoelomate
Subtopic: Â Basis of Classification |
Level 3: 35%-60%
Hints
- 1(current)
Q. No.
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