The canal system is a characteristic feature of:
1. echinoderms
2. helminths
3. coelenterates
4. sponges
Subtopic: Â Phylum Porifera |
 88%
Level 1: 80%+
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One of the representatives of the phylum Arthropoda is:
1. Silverfish
2. Pufferfish
3. Flying fish
4. Cuttlefish
Subtopic: Â Phylum Arthropoda |
 77%
Level 2: 60%+
AIPMT - 2013
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Which type of cells are absent in sponges?
1. Trophocytes
2. Myocytes
3. Archaeocytes
4. Cnidocytes
Subtopic: Â Phylum Porifera |Â Phylum Coelenterata |
 75%
Level 2: 60%+
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In which one of the following the genus name, its two characters and its class/phylum are correctly matched?
| Genus | Two Characters | Class/phylum |
| (a) Salman dra | (i) A tympanum represents ear (ii) Fertilisation is external |
Amphibia |
| (b) Pteropus | (i) Skin possesses hair (ii) Oviparous |
Mammalia |
| (c) Aurelia | (i) Cnidobles (ii) organ level of Organisation |
Coelenterata |
| (d) Ascaris | (i) Body segmented (ii) Males and Female distinct |
Annelida |
2. (b)
3. (c)
4. (d)
Subtopic: Â Study of Amphibians |
 72%
Level 2: 60%+
AIPMT - 2011
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Ascaris is characterized by:
| 1. | absence of true coelom but the presence of metamerism |
| 2. | presence of neither true coelom nor metamerism |
| 3. | presence of true coelom but the absence of metamerism |
| 4. | presence of true coelom and metamerism (metamerisation) |
Subtopic: Â Phylum Aschelminthes |
 70%
Level 2: 60%+
AIPMT - 2008
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Subtopic: Â Phylum Mollusca |
 68%
Level 2: 60%+
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Which one of the following has an open circulatory system?
1. Pheretima
2. Periplaneta
3. Hirudinaria
4. Octopus
Subtopic: Â Phylum Arthropoda |
 59%
Level 3: 35%-60%
AIPMT - 2006
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Which of the following are correctly matched with respect to their taxonomic classification?
1.
Centipede, millipede, spider, scorpion-Insecta
2.
House fly, butterfly, tsetse fly, silverfish-Insecta
3.
Spiny anteater, sea urchin, sea cucumber- Echinodermata
4.
Flying fish, cuttlefish, silverfish- Pisces
Subtopic: Â Phylum Arthropoda |
 51%
Level 3: 35%-60%
AIPMT - 2013
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The structure present in all adult vertebrates is:
| 1. | Notochord |
| 2. | Dorsal tubular nerve cord |
| 3. | Pharyngeal gill slits |
| 4. | All of the above |
Subtopic: Â Phylum Chordata |
Level 3: 35%-60%
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Subtopic: Â Phylum Porifera |
Level 4: Below 35%
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