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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 |
67%
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%
Level 2: 60%+
NEET - 2013
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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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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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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 |
70%
Level 2: 60%+
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%
Level 2: 60%+
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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Which of the following group of animals have three chambered heart?
1. Bufo, Alligator, Struthio
2. Chameleon, Hyla, Calotes
3. Crocodilus, pavo, Clarias
4. Exocoetus, Hemidactylus, Rana
1. Bufo, Alligator, Struthio
2. Chameleon, Hyla, Calotes
3. Crocodilus, pavo, Clarias
4. Exocoetus, Hemidactylus, Rana
Subtopic: Study of Amphibians | Study of Reptilia |
69%
Level 2: 60%+
NEET - 2024
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Which of the following animals has three chambered heart?
| 1. | Scoliodon | 2. | Hippocampus |
| 3. | Chelone | 4. | Pteropus |
Subtopic: Study of Reptilia |
79%
Level 2: 60%+
NEET - 2022
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