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Q. No.While trying to find out the characteristic of a newly found animal, a researcher did the histology of adult animal and observed a cavity with presence of mesodermal tissue towards the body wall but no mesodermal tissue was observed towards the alimentary canal. What could be the possible coelome of that animal?
| 1. | Schizocoelomate | 2. | Spongocoelomate |
| 3. | Acoelomate | 4. | Pseudocoelomate |
Subtopic: Basis of Classification |
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Level 2: 60%+
NEET - 2025
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Select the Taxon mentioned that represents both marine and freshwater species:
| 1. | Echinoderms | 2. | Ctenophora |
| 3. | Cephalochordata | 4. | Cnidaria |
Subtopic: Phylum Coelenterata |
61%
Level 2: 60%+
AIPMT - 2014
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Which one of the following groups of animals reproduces only by sexual means?
| 1. | Cnidaria | 2. | Porifera |
| 3. | Protozoa | 4. | Ctenophora |
Subtopic: Phylum Ctenophora |
79%
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Which of the following animals does not undergo metamorphosis?
| 1. | Earthworm | 2. | Tunicate |
| 3. | Moth | 4. | Starfish |
Subtopic: Phylum Annelida |
51%
Level 3: 35%-60%
NEET - 2018
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Which of the following characteristics is mainly responsible for the diversification of insects on land:
| 1. | Segmentation | 2. | Bilateral symmetry |
| 3. | Exoskeleton | 4. | Eyes |
Subtopic: Phylum Arthropoda |
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NEET - 2015
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Role of the water vascular system in Echinoderms is:
Choose the correct answer from the options given below:
1. B and C only
2. B, D and E only
3. A and B only
4. A and C only
| A. | Respiration and locomotion |
| B. | Excretion and locomotion |
| C. | Capture and transport of food |
| D. | Digestion and respiration |
| E. | Digestion and excretion |
1. B and C only
2. B, D and E only
3. A and B only
4. A and C only
Subtopic: Phylum Echinodermata |
Level 3: 35%-60%
NEET - 2025
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An important characteristic that Hemichordates share with Chordates is:
| 1. | Ventral tubular nerve cord |
| 2. | Pharynx with gill slits |
| 3. | Pharynx without gill slits |
| 4. | Absence of notochord |
Subtopic: Phylum Hemichordata | Phylum Chordata |
65%
Level 2: 60%+
NEET - 2017
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Which of the following statements are true for the phylum-Chordata?
| (a) | In Urochordata, notochord extends from head to tail and is present throughout their life |
| (b) | In Vertebrata, notochord is present during the embryonic period only |
| (c) | Central nervous system is dorsal and hollow |
| (d) | Chordata is divided into 3 sub-phyla : Hemichordata, Tunicata and Cephalochordata |
1. (c) and (a)
2. (a) and (b)
3. (b) and (c)
4. (d) and (c)
Subtopic: Phylum Chordata |
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NEET - 2020
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A marine cartilaginous fish that can produce electric current is:
| 1. | Pristis | 2. | Torpedo |
| 3. | Trygon | 4. | Scoliodon |
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes |
77%
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AIPMT - 2014
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Sharks and dogfishes differ from skates and rays by:
| 1. | Gill slits are ventrally placed |
| 2. | Head and trunk are widened considerably |
| 3. | Distinct demarcation between body and tail |
| 4. | Their pectorals fins are distinctly marked off from cylindrical bodies |
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes |
55%
Level 3: 35%-60%
NEET - 2013
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