- 1(current)
Q. No.Parazoa is a taxon at the base of the phylogenetic tree of the animal kingdom and includes the most primitive forms, characterized by not having proper tissues. The phylum/phyla included in this taxon will be:
| I. Porifera | II. Cnidaria | III. Ctenophora |
| 1. | Only I | 2. | Only II and III |
| 3. | Only I and II | 4. | I, II and III |
Subtopic: Â Phylum Porifera |Â Basis of Classification |
 81%
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In metamerism, there is serial repetition of unit subdivisions of:
| I. | Ectoderm products |
| II. | Mesoderm products |
| III. | Endoderm products |
| 1. | Only II | 2. | Only I and II |
| 3. | Only II and III | 4. | I, II and III |
Subtopic: Â Basis of Classification |
From NCERT
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Which of the following is not a character of deuterostomes?
| 1. | Radial cleavage |
| 2. | Schizocoelous coelom |
| 3. | Indeterminate cleavage |
| 4. | Blastopore forms anus |
Subtopic: Â Basis of Classification:I |Â Basis of Classification |
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Radially symmetrical animals:
| 1. | Are all triploblastic |
| 2. | Tend to be sessile and passively floating |
| 3. | Have a definite head and a brain |
| 4. | Have an anterior and a posterior end |
Subtopic: Â Basis of Classification |
 79%
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Approximately what percentage of existing animal species are invertebrates?
| 1. | 20% | 2. | 50% |
| 3. | 70% | 4. | 95% |
Subtopic: Â Basis of Classification |
 73%
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Identify the correct statement:
| 1. | All pseudocoelomates are protostomes |
| 2. | All bilaterally symmetrical animals have a coelom |
| 3. | All animals have at least a tissue grade organization |
| 4. | All radially symmetrical animals are diploblastic |
Subtopic: Â Basis of Classification |
 51%
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Match the following list of animals with their level of organization.
| Division of Labour | Animal | ||
| A. | Organ level | i. | Pheritima |
| B. | Cellular aggregate level | ii. | Fasciola |
| C. | Tissue level | iii. | Spongilla |
| D. | Organ system level | iv. | Obelia |
Choose the correct match showing division of labour with animal example:
| i | ii | iii | iv | |
| 1. | B | C | D | A |
| 2. | B | D | C | A |
| 3. | D | A | B | C |
| 4. | A | D | C | B |
Subtopic: Â Phylum Porifera |Â Phylum Coelenterata |Â Phylum Ctenophora |Â Phylum Aschelminthes |Â Phylum Annelida |Â Phylum Arthropoda |Â Phylum Mollusca |Â Phylum Echinodermata |Â Phylum Hemichordata |Â General Introduction: Vertebrates & Agnatha |
 87%
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NEET 2026 - Target Batch - Vital
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- 1(current)
Q. No.
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