Q. No.What type of circulatory system is present in animals where blood is circulated through arteries, veins, and capillaries?
1. Open type
2. Closed type
3. Incomplete type
4. Pseudocoelomic type
1. Open type
2. Closed type
3. Incomplete type
4. Pseudocoelomic type
Subtopic: Â Basis of Classification |
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Which of the following accurately differentiates between diploblastic and triploblastic animals?
| 1. | Diploblastic animals have ectoderm, mesoderm, and endoderm, while triploblastic animals lack mesoderm. |
| 2. | Diploblastic animals are found from Platyhelminthes to Chordates, while triploblastic animals are limited to Coelenterates. |
| 3. | Triploblastic animals lack segmentation, whereas diploblastic animals exhibit it. |
| 4. | Diploblastic animals have ectoderm and endoderm with mesoglea, while triploblastic animals possess an additional mesoderm. |
Subtopic: Â Basis of Classification |
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Which of the following groups includes organisms with radial symmetry?
1. Arthropods and Annelids
2. Coelenterates, Ctenophores, and Adult Echinoderms
3. Porifera and Platyhelminthes
4. Molluscs, Annelids, and Chordates
1. Arthropods and Annelids
2. Coelenterates, Ctenophores, and Adult Echinoderms
3. Porifera and Platyhelminthes
4. Molluscs, Annelids, and Chordates
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When the body is found divided into compartments with serial repetition of at least some organs, the type of segmentation found in certain animals is called as:
| 1. | Metaboly | 2. | Metamerism |
| 3. | Metagenesis | 4. | Metamorphosis |
Subtopic: Â Basis of Classification |
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Which one of the following groups of animals is bilaterally symmetrical and triploblastic?
| 1. | Aschelminthes (Roundworms) |
| 2. | Ctenophores |
| 3. | Sponges |
| 4. | Coelenterates (Cnidarians) |
Subtopic: Â Basis of Classification |
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Animals like echinoderms and coelenterates exhibit radial symmetry. Which of the following characteristics best describes radial symmetry?
| 1. | Body can be divided into two equal halves along only one plane. |
| 2. | Body can be divided into equal halves along multiple planes through the central axis. |
| 3. | Body has no symmetry at all. |
| 4. | Body shows segmentation with repetition of organs. |
Subtopic: Â Basis of Classification |
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Which of the following is not a characteristic of organisms in the Kingdom Animalia?
| 1. | Storage of carbohydrates as starch |
| 2. | Multicellularity. |
| 3. | Obtaining nutrients by ingestion |
| 4. | Having eukaryotic cells without walls |
Subtopic: Â Basis of Classification |
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Match List I with List II:
Choose the correct answer from the options given below:
1. A-II, B-I, C-III, D-IV
2. A-III, B-I, C-II, D-IV
3. A-II, B-I, C-IV, D-III
4. A-I, B-II, C-III, D-IV
| List I | List II |
| A. Coelomates | I. Aschelminthes |
| B. Pseudocoelomates | II. Platyhelminthes |
| C. Acoelomates | III. Annelids |
| D. Diploblastic | IV. Coelenterates |
1. A-II, B-I, C-III, D-IV
2. A-III, B-I, C-II, D-IV
3. A-II, B-I, C-IV, D-III
4. A-I, B-II, C-III, D-IV
Subtopic: Â Basis of Classification |
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What is true for open circulatory system?
| 1. | Cells and tissues are directly bathed in blood |
| 2. | Capillaries are present |
| 3. | Blood is circulated only through a series of vessels of varying diameter |
| 4. | Present in earthworm |
Subtopic: Â Basis of Classification |
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Which of the following animals shows radial symmetry?
1. Earthworm
2. Frog
3. Hydra
4. Cockroach
1. Earthworm
2. Frog
3. Hydra
4. Cockroach
Subtopic: Â Basis of Classification |
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