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Q. No.An animal with the following body wall organization will not have:
1. Cephalization
2. Three germ layers
3. Bilateral symmetry
4. A complete digestive tract
Subtopic: Â Basis of Classification:I |Â Basis of Classification:II |Â Basis of Classification |
Level 3: 35%-60%
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What is true about Nereis, Scorpion, Cockroach and Silver fish?
| 1. | They all have jointed paired appendages |
| 2. | They all possess dorsal heart |
| 3. | None of them is aquatic |
| 4. | They all belong to the same phylum |
Subtopic: Â Basis of Classification:II |Â Basis of Classification |
 58%
Level 3: 35%-60%
NEET - 2007
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Which of the following Phyla are included in Enterozoa?
| 1. | Annelida, Mollusca, Porifera |
| 2. | Echinodermata, Hemichordata, Porifera |
| 3. | Mollusca, Arthropoda, Hemichordata |
| 4. | Porifera, Mollusca, Arthropoda |
Subtopic: Â Basis of Classification:I |Â Basis of Classification:II |Â Basis of Classification |
 63%
Level 2: 60%+
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Which one feature is common to leech, cockroach and scorpion?
| 1. | Nephridia | 2. | Ventral nerve cord |
| 3. | Cephalisation | 4. | Antenna |
Subtopic: Â Basis of Classification:II |Â Basis of Classification |
 72%
Level 2: 60%+
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Secondary body cavity with segmented mesodermal lining is called:
| 1. | haemocoel | 2. | neurocoele |
| 3. | true coelom | 4. | pseudocoelom |
Subtopic: Â Basis of Classification |
 58%
Level 3: 35%-60%
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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 |
 85%
Level 1: 80%+
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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 |
 85%
Level 1: 80%+
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What would be true for an animal that exhibits the kind of body symmetry shown in the given diagram?
| 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 |
Subtopic: Â Basis of Classification |
 54%
Level 3: 35%-60%
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Which of the following will be true for both animals with body plan A and B as shown in the given figure?
| 1. | Body will be bilaterally symmetrical |
| 2. | Muscle will be well developed |
| 3. | A true coelom will be present |
| 4. | Both will have cells organized into tissues and heterotrophic nutrition |
Subtopic: Â Basis of Classification |
 66%
Level 2: 60%+
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Which of the following is a common feature between Pheretima and Ascaris?
1. Presence of true coelom
2. Presence of metameres
3. Absence of pharynx
4. Presence of bilateral symmetry
1. Presence of true coelom
2. Presence of metameres
3. Absence of pharynx
4. Presence of bilateral symmetry
Subtopic: Â Phylum Aschelminthes |Â Phylum Annelida |Â Basis of Classification |
 78%
Level 2: 60%+
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