Q. No.Which of the following is wrong about Coelenterata?
(1) They are aquatic and exclusively marine animals.
(2) Cnidarians exhibit tissue level of organisation and are diploblastic.
(3) Some Cnidarians exhibit two forms namely Polyp and Medusa.
(4) Cnidoblasts are present on tentacles and body.
Match the following
| 1) | Pennatula | (i) | sea fan |
| 2) | Gorgonia | (ii) | brain coral |
| 3) | Meandrina | (iii) | sea anemone |
| 4) | Adamsia | (iv) | sea pen |
1. 1-(i), 2-(ii), 3-(iii), 4-(iv)
2. 1-(iv), 2-(i), 3-(ii), 4-(iii)
3. 1-(iv), 2-(ii), 3-(iii), 4-(ii)
4. 1-(i), 2-(iv), 3-(iii), 4-(ii)
Meandrina which is also known as Brain Coral is a
(1) Poriferan
(2) Coelenterate
(3) Echinoderm
(4) Mollusc
Which of the following cnidarians are radially symmetrical and sessile?
(1) Hydra
(2) Aurelia
(3) Adamsia
(4) Both (1) and (3)
Hermaphroditism is found in which phyla?
(1) Ctenophora
(2) Platyhelminthes
(3) Porifera
(4) All of these.
Match the following cells/structures with their phyla of origin
| 1) | Flame cells | (i) | Coelenterata |
| 2) | Choanocytes | (ii) | Platyhelminthes |
| 3) | Cnidocytes | (iii) | Ctenophora |
| 4) | Comb plates | (iv) | Porifera |
(1) 1-(i), 2-(iv), 3-(ii), 4-(iii)
(2) 1-(iii), 2-(ii), 3-(iv), 4-(i)
(3) 1-(ii), 2-(iv), 3-(i), 4-(iii)
(4) 1-(ii), 2-(iii), 3-(i), 4-(iv)
Digestive system consists of a mouth and anus in which animals
(1) Ancylostoma
(2) Wuchereria
(3) Adamsia
(4) Both (1) and (2)
A high regeneration capacity is present in
(1) Planaria
(2) Ancylostoma
(3) Sepia
(4) Sea cucumber
Which of the following statement/s about chondrichthyes are incorrect?
| 1) | Notochord is persistent throughout life |
| 2) | Endoskeleton is made up of bones |
| 3) | Operculum present |
| 4) | Skin is covered by placoid scales |
| 1. | All of the above |
| 2. | None of the above |
| 3. | 1 and 4 are incorrect |
| 4. | 2 and 3 are incorrect |
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