- 1(current)
Q. No.Consider following features:
| A. | Organ system level of organisation |
| B. | Bilateral symmetry |
| C. | True coelomates with segmentation of body |
Select the correct option of animal groups which possess all the above characteristics.
| 1. | Annelida, Mollusca and Chordata |
| 2. | Annelida, Arthropoda and Chordata |
| 3. | Annelida, Arthropoda and Mollusca |
| 4. | Arthropoda, Mollusca and Chordata |
Subtopic: Phylum Annelida | Phylum Arthropoda | Phylum Chordata |
82%
Level 1: 80%+
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How many of the given statements regarding Annelids are true?
1. 1
2. 2
3. 3
4. 4
| I: | They exhibit organ-system level of body organisation and bilateral symmetry. |
| II: | They are triploblastic, metamerically segmented and coelomate animals. |
| III: | They possess only longitudinal muscles in their body wall which help in locomotion. |
| IV: | A closed circulatory system is present. |
2. 2
3. 3
4. 4
Subtopic: Phylum Annelida |
70%
Level 2: 60%+
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A primary characteristic feature of annelids will be:
1. Exoskeleton
2. Jointed appendages
3. Metameric Segmentation
4. Radula
1. Exoskeleton
2. Jointed appendages
3. Metameric Segmentation
4. Radula
Subtopic: Phylum Annelida |
91%
Level 1: 80%+
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No annelid is :
I: Parasitic
II: Diploblastic
I: Parasitic
II: Diploblastic
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Subtopic: Phylum Annelida |
74%
Level 2: 60%+
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Identify the incorrect statement regarding animals belonging to Phylum Annelida:
| 1. | Aquatic annelids like Nereis possess lateral appendages, parapodia, which help in swimming. |
| 2. | Nereis is dioecious. |
| 3. | Earthworm is monoecious. |
| 4. | Hirudinaria, blood-sucking leech, is an annelid that lacks true coelom and metamerism. |
Subtopic: Phylum Annelida |
87%
Level 1: 80%+
Hints
Subtopic: Phylum Annelida |
86%
Level 1: 80%+
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Parapodia are found in:
1. aquatic molluscs, and help in respiration.
2. benthic echinoderms, and help in gathering food.
3. Ctenophores, and help in locomotion.
4. aquatic annelids, and help in swimming.
1. aquatic molluscs, and help in respiration.
2. benthic echinoderms, and help in gathering food.
3. Ctenophores, and help in locomotion.
4. aquatic annelids, and help in swimming.
Subtopic: Phylum Annelida |
89%
Level 1: 80%+
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Neural system consists of paired ganglia connected by lateral nerves to a double ventral nerve cord in:
1. Hydra
2. Cephalochordates
3. Amphibians
4. Annelids
1. Hydra
2. Cephalochordates
3. Amphibians
4. Annelids
Subtopic: Phylum Annelida |
76%
Level 2: 60%+
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Subtopic: Phylum Annelida |
90%
Level 1: 80%+
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- 1(current)
Q. No.
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