Q. No.
Which of the following is not true about Cnidarians
1.Radial symmetry
2.Diploblastic
3.Tissue level of organisation
4.Deutrostomes
The distinctive feature of Cnidarians is
1. Cnidoblast
2. Polyp and Medusa form
3. Gastro-vascular cavity
4. Hypostome
Which of the following is true about Gastro-vascular cavity of Cnidarians?
1.It contains single opening
2.Mouth on hypostome
3.Anus on hypostome
4.Both 1 and 2
The sessile and cylindrical form of Cnidarians is called as
1.Medusa
2.Polyp
3.Both 1 and 2
4.Neither medusa nor Polyp
The umbrella shaped and free-swimming form of Cindarians is not present in
1. Aurelia
2. .Jellyfish
3. Adamsia
4. Both 1 and 2
Match the following organism with their respective characteristics:
| Column I | Column II | ||
| (a) | Pila | (i) | Flame cells |
| (b) | Bombyx | (ii) | Comb plates |
| (c) | Pleurobrachia | (iii) | Radula |
| (d) | Taenia | (iv) | Malpighian tubules |
Select the correct option from the following:
| Options: | (a) | (b) | (c) | (d) |
| 1. | (iii) | (ii) | (iv) | (i) |
| 2. | (iii) | (ii) | (i) | (iv) |
| 3. | (iii) | (iv) | (ii) | (i) |
| 4. | (ii) | (iv) | (iii) | (i) |
Which of the following is incorrect statement
1.Polyp produce medusae asexually
2.Medusae produce polyp sexually
3.Polyp produce medusae sexually
4.Obelia shows metagenesis
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