- 1(current)
Q. No.How many pairs of the biological and common names of animals given below are correctly matched?
1. 2
2. 3
3. 4
4. 5
| Sycon – Scypha; Spongilla - Fresh water sponge; Euspongia - Bath sponge; Physalia -Portuguese man-of-war; Adamsia - Sea anemone; Pennatula - Sea-fan |
2. 3
3. 4
4. 5
Subtopic: Phylum Porifera | Phylum Coelenterata |
86%
From NCERT
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Subtopic: Phylum Coelenterata | Phylum Mollusca |
80%
From NCERT
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Identify the incorrectly matched pair:
| 1. | Obelia | Metagenesis |
| 2. | Planaria | Free living with high regeneration capacity |
| 3. | Ancylostoma | Acoelomate |
| 4. | Nereis | Parapodia |
Subtopic: Phylum Coelenterata | Phylum Ctenophora | Phylum Aschelminthes | Phylum Annelida |
85%
From NCERT
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The cell shown in the given figure defines animals belonging to:
1. Porifera
2. Cnidaria
3. Platyhelminthes
4. Urochordates
1. Porifera
2. Cnidaria
3. Platyhelminthes
4. Urochordates
Subtopic: Phylum Coelenterata |
95%
From NCERT
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Match the biological names of Invertebrates in Column I with their corresponding common names in Column II and select the correct match as your answer from the codes given:
Codes:
| Column I | Column II | ||
| A | Gorgonia | P | Brittle star |
| B | Ophiura | Q | Sea hare |
| C | Aplysia | R | Sea fan |
| D | Dentallium | S | Tusk shell |
| A | B | C | D | |
| 1. | P | R | S | Q |
| 2. | R | P | Q | S |
| 3. | P | R | Q | S |
| 4. | R | P | S | Q |
Subtopic: Phylum Coelenterata | Phylum Mollusca | Phylum Echinodermata |
87%
From NCERT
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What is a critical difference between Cnidaria and Ctenophora?
| 1. | Cnidarians are diploblastic, ctenophores are triploblastic. |
| 2. | Cnidarians are bilaterally symmetrical, ctenophores are radially symmetrical. |
| 3. | Cnidarians have a gastrovascular cavity, ctenophores do not. |
| 4. | Cnidarians possess cnidocytes, while ctenophores do not. |
Subtopic: Phylum Coelenterata | Phylum Ctenophora |
80%
From NCERT
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Animals can be categorised on the basis of their symmetry. Which of the following statements are correct?
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | Sponges are mostly asymmetrical. |
| II: | Coelenterates, ctenophores and adult echinoderms have radial symmetry. |
| III: | Annelids and arthropods exhibit bilateral symmetry. |
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Phylum Porifera | Phylum Coelenterata | Phylum Ctenophora | Phylum Annelida | Phylum Arthropoda | Basis of Classification |
90%
From NCERT
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Choose the correct match showing level of organisation (given in Column I) with examples of the animal (given in Column II):
1. i-B, ii-C, iii-D, and iv-A
2. i-B, ii-D, iii-C, and iv-A
3. i-D, ii-A, iii-B, and iv-C
4. i-A, ii-D, iii-C, and iv-B
| Column I | Column II | ||
| A | Organ level | (i) | Pheretima |
| B | Cellular aggregate | (ii) | Fasciola |
| C | Tissue level | (iii) | Spongilla |
| D | Organ system level | (iv) | Obelia |
1. i-B, ii-C, iii-D, and iv-A
2. i-B, ii-D, iii-C, and iv-A
3. i-D, ii-A, iii-B, and iv-C
4. i-A, ii-D, iii-C, and iv-B
Subtopic: Phylum Porifera | Phylum Coelenterata | Phylum Ctenophora | Phylum Annelida | Basis of Classification |
92%
From NCERT
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Select the correct description of the two figures A and B, given below, showing basic body forms in Cnidarians:
| A |  |
| B |  |
| 1. | A is Medusa and is free-swimming; B is Polyp and is sessile |
| 2. | A is Polyp and is free-swimming; B is Medusa and is sessile |
| 3. | A is Medusa and is sessile; B is Polyp and is free-swimming |
| 4. | A is Medusa and is free-swimming; B is Polyp and is free-swimming |
Subtopic: Phylum Coelenterata |
87%
From NCERT
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Which group of animals belong to the same phylum?
| 1. | Portuguese men-of-war, sea anemone, and brain coral. |
| 2. | Tapeworm, roundworm, and hookworm. |
| 3. | Pearl oyster, devil fish, and flying fish. |
| 4. | Sea urchin, sea cucumber, and sea pen. |
Subtopic: Phylum Coelenterata |
83%
From NCERT
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