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Q. No.Bilaterally symmetrical and acoelomate animals are exemplified by:
1. Platyhelminthes
2. Aschelminthes
3. Annelida
4. Ctenophora
Subtopic: Â Phylum Platyhelminthes |
 78%
Level 2: 60%+
NEET - 2020
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All vertebrates are chordates but all chordates are not vertebrates, why?
| 1. | Notochord is replaced by a vertebral column in the adults of some chordates. |
| 2. | The ventral hollow nerve cord remains throughout life in some chordates. |
| 3. | All chordates possess a vertebral column. |
| 4. | All chordates possess notochords throughout their lives. |
Subtopic: Â Phylum Chordata |
 83%
Level 1: 80%+
NEET - 2020
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Amniotes
| 1. | include amphibians, reptiles, birds, and mammals |
| 2. | are especially well adapted for fresh water |
| 3. | have physiological mechanisms for conserving water |
| 4. | typically excrete ammonia |
| 5. | gave rise to the amphibians |
Subtopic: Â Phylum Chordata |
Level 4: Below 35%
Please attempt this question first.
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Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system:
1. Amphibia
2. Reptilia
3. Aves
4. Osteichthyes
2. Reptilia
3. Aves
4. Osteichthyes
Subtopic: Â Study of Aves & Mammals |
 77%
Level 2: 60%+
NEET - 2018
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Which of the following animals are true coelomates with bilateral symmetry ?
1. Adult Echinoderms
2. Aschelminthes
3. Platyhelminthes
4. Annelids
Subtopic: Â Phylum Annelida |Â Phylum Echinodermata |
 83%
Level 1: 80%+
NEET - 2019
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Select the correct statements:
Choose the correct answer from the options given below:
| A: | Platyhelminthes are triploblastic, pseudocoelomate and bilaterally symmetrical organisms. |
| B: | Ctenophores reproduce only sexually and fertilization is external. |
| C: | In tapeworm, fertilization is internal but sexes are not separate. |
| D: | Ctenophores are exclusively marine, diploblastic and bioluminescent organisms. |
| E: | In sponges, fertilization is external and development is direct. |
Choose the correct answer from the options given below:
| 1. | (A), (C) and (D) only | 2. | (B), (C) and (D) only |
| 3. | (A) and (E) only | 4. | (B) and (D) only |
Subtopic: Â Phylum Porifera |Â Phylum Coelenterata |Â Phylum Ctenophora |Â Phylum Platyhelminthes |
 67%
Level 2: 60%+
NEET - 2023
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Subtopic: Â Study of Reptilia |
 78%
Level 2: 60%+
NEET - 2018
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Which of the following options correctly represent the characteristic features of phylum Annelida?
| 1. | Triploblastic, unsegmented body, and bilaterally symmetrical. |
| 2. | Triploblastic, a segmented body, and bilaterally symmetrical. |
| 3. | Triploblastic, flattened body, and acoelomate condition. |
| 4. | Diploblastic, mostly marine and radially symmetrical. |
Subtopic: Â Phylum Annelida |
 88%
Level 1: 80%+
NEET - 2020
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Which one of the following organisms bears hollow and pneumatic long bones?
1. Macropus
2. Ornithorhynchus
3. Neophron
4. Hemidactylus
Subtopic: Â Study of Aves & Mammals |
 76%
Level 2: 60%+
NEET - 2021
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Match the following
| List-I | List-II | ||
| (a) | Physalia | i. | Pearl oyster |
| (b) | Limulus | ii. | Portuguese Man of War |
| (c) | Ancylostoma | iii. | Living fossil |
| (d) | Pinctada | iv. | Hookworm |
Choose the correct answer from the options given below:
| Options: | (a) | (b) | (c) | (d) |
| 1. | ii | iii | iv | i |
| 2. | i | iv | iii | ii |
| 3. | ii | iii | i | iv |
| 4. | iv | i | iii | ii |
Subtopic: Â Phylum Coelenterata |Â Phylum Aschelminthes |Â Phylum Arthropoda |Â Phylum Mollusca |
 88%
Level 1: 80%+
NEET - 2021
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