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Subtopic: Â Phylum Porifera |
 86%
Level 1: 80%+
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Canal system in sponges helps in
| 1. | Food gathering |
| 2. | Respiratory exchange |
| 3. | Removal of waste |
| 4. | All of the above |
Subtopic: Â Phylum Porifera |
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Level 1: 80%+
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In sponges, digestion is
1.Intercellular
2.Intracellular
3.Both inter and inter cellular
4.Gastric cavity
Subtopic: Â Phylum Porifera |
 74%
Level 2: 60%+
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Subtopic: Â Phylum Porifera |
 84%
Level 1: 80%+
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Which of the following is true about sponges except
1.Sponges are hermaphrodite
2.Fertilisation is internal
3.Development is direct
4.Primitive multicellular animals
Subtopic: Â Phylum Porifera |
 77%
Level 2: 60%+
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Find the incorrect match
| 1. | Sycon-Scypha |
| 2. | Spongilla-Fresh water sponge |
| 3. | Euspongia- Bath sponge |
| 4. | Sycon- Bath sponge |
Subtopic: Â Phylum Porifera |
 94%
Level 1: 80%+
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Which one of the following is incorrect about Porifera?
| 1. | Presence of spongin fibres |
| 2. | Cellular level of organisation |
| 3. | Presence of mouth and digestive cavity |
| 4. | Pores all over the body |
Subtopic: Â Phylum Porifera |
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Level 1: 80%+
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Which of the following cell of sponges contains flagella
1.Nematocyst
2.Spongioblast
3.Amoebocyte
4.Choanocytes
Subtopic: Â Phylum Porifera |
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Which of the following is true about the given organism?
| 1. | It is a medusa form of Aurelia |
| 2. | It is Fresh water sponge |
| 3. | Central canal system is present in it |
| 4. | It’s mouth is formed first |
Subtopic: Â Phylum Porifera |
 54%
Level 3: 35%-60%
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Which of the following is true about the following organism?
1. Radial symmetry is present
2. Fertilisation is external
3. multicellular animal
4. coelomate organism
Subtopic: Â Phylum Porifera |
 75%
Level 2: 60%+
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