Examine the figures A, B, C and D. In which one of the four options all the items A, B, C and D are correct?

(A) (B)
(C) (D)

                  
Options:

A B C D
1. Ophiura Unio Antedon Sepia
2. Asterias Dentalium Echinus Sepia
3. Asterias Pila Ophiura Octopus
4. Asterias Unio Ophiura Sepia
Subtopic:  Phylum Mollusca | Phylum Echinodermata |
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Echinoderms are

1. Triploblastic 2. Coelomate animals
3. all marine 4. All of the above
Subtopic:  Phylum Echinodermata |
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Water Vascular system helps in

1. Locomotion

2. Food capture and transport

3. Respiration

4. All of these

Subtopic:  Phylum Echinodermata |
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Which of the following is a unique feature of Echinoderms?
1. Water vascular system
2. Open circulatory system
3. Pseudocoelom
4. Chitinous exoskeleton
Subtopic:  Phylum Echinodermata |
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Which of the following is true about Digestive system of Echinoderms?

1. Mouth is Ventral
2. Anus is Dorsal
3. Digestive System is complete
4. All of the above
Subtopic:  Phylum Echinodermata |
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Level 1: 80%+
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In which of the following the larvae are bilaterally symmetrical and the adult are radially symmetrical?

1. Cnidaria
2. Echinodermata
3. Pleurobrachia
4. Mollusca

Subtopic:  Phylum Echinodermata |
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Asterias lacks specific locomotory, respiratory, and food-capturing organs but it can carry these functions through a unique system of:
 
1. Syconoid canal system
2. Water vascular system
3. Metamerism
4. Segmentation
Subtopic:  Phylum Echinodermata |
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Which of the following characteristics is not associated with sea stars?
1. tube feet
2. water vascular system
3. spiny skeleton
4. notochord
Subtopic:  Phylum Echinodermata |
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The echinoderms are: 
1. arboreal insects 
2. Marine animals 
3. terrestrial insects 
4. freshwater forms
Subtopic:  Phylum Echinodermata |
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Match List-I with List-II:
List-I
(Biological Name)
List-II
(Common name)
A. Asterias I. Sea urchin
B.  Antedon II. Brittle star 
C. Echinus III.  Sea lily
D. Ophiura  IV. Star fish 

Choose the correct answer from the options given below: 
 
1. A-III, B-IV, C-II, D-I
2. A-IV, B-III, C-I, D-II
3. A-II, B-III, C-I, D-IV
4. A-I, B-II, C-IV, D-III
Subtopic:  Phylum Echinodermata |
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Level 1: 80%+
NEET - 2024
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