- 1(current)
Q. No.Match the following group of organisms with their respective distinctive characteristics and select the correct option :
| Organisms | Characteristics | ||
| (a) | Platyhelminthes | (i) | Cylindrical body with no segmentation |
| (b) | Echinoderms | (ii) | Warm blooded animals with direct development |
| (c) | Hemichordates | (iii) | Bilateral symmetry with incomplete digestive system |
| (d) | Aves | (iv) | Radial symmetry with indirect development |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (iv) | (i) | (ii) |
| 2. | (ii) | (iii) | (iv) | (i) |
| 3. | (iv) | (i) | (ii) | (iii) |
| 4. | (i) | (ii) | (iii) | (iv) |
Subtopic: Phylum Ctenophora | Phylum Echinodermata | Phylum Hemichordata | Study of Aves & Mammals |
86%
Level 1: 80%+
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The animals with bilateral symmetry in the young stage and radial pentamerous symmetry in the adult stage, belong to the phylum:
| 1. | Mollusca | 2. | Cnidaria |
| 3. | Echinodermata | 4. | Annelida |
Subtopic: Phylum Echinodermata |
90%
Level 1: 80%+
AIPMT - 2004
Hints
Read the following statements.
| (a) | Metagenesis is observed in Helminths. |
| (b) | Echinoderms are triploblastic and coelomate animals. |
| (c) | Round worms have organ-system level of body organization. |
| (d) | Comb plates present in ctenophores help in digestion. |
| (e) | Water vascular system is characteristic of Echinoderms. |
Choose the correct answer from the options given below.
| 1. | (a), (d) and (e) are correct |
| 2. | (b), (c) and (e) are correct |
| 3. | (c), (d) and (e) are correct |
| 4. | (a), (b) and (c) are correct |
Subtopic: Phylum Ctenophora | Phylum Aschelminthes | Phylum Echinodermata |
85%
Level 1: 80%+
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Hints
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- 1(current)
Q. No.
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