Find the incorrect statement

1. All Mollusks have shells

2. All mollusks are bilateral symmetrical

3. All mollusks are terrestrial

4. All of these

Subtopic:  Phylum Mollusca |
 69%
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Which of the following represents Mollusca?

1. Cuttlefish

2. Devil Fish

3. Star fish

4. More than one is correct

Subtopic:  Phylum Mollusca |
 80%
From NCERT
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How many of the following is not the member of Mollusca?

Devil fish, Cuttle fish, Dog fish, Saw fish, Angel fish, Fighting fish, Flying fish, Star fish, Jelly fish, Silver fish

1. 3

2. 8

3. 2

4. 4

Subtopic:  Phylum Mollusca |
 73%
From NCERT
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Which of the following is Mollusc?

1. Cuttle fish

2. Chiton

3. Cucumaria

4. More than one option is correct

Subtopic:  Phylum Mollusca |
 78%
From NCERT
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Which of the following is correct about given Diagram?

1. Closed Circulatory System

2. Foot has evolved into arms

3. Shells present

4. Both A and B

Subtopic:  Phylum Mollusca |
 77%
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Which of the following is true for Echinodermata?

1. Bilateral Symmetry- Larvae

2. Radial symmetry- larvae

3. Bilateral Symmetry- Adult

4. Asymmetric

Subtopic:  Phylum Echinodermata |
 86%
From NCERT
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Echinoderms are

(1)Triploblastic

(2)Coelomate animals

(3)all marine

(4)All of the above

Subtopic:  Phylum Echinodermata |
 96%
From NCERT
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The distinctive features of the Echinoderms are

1. Spines on body

2. Radial symmetry

3. Water vascular System

4. Both 2 and 3

Subtopic:  Phylum Echinodermata |
 56%
From NCERT
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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 |
 96%
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How many of the following statement is true for Water Vascular System?

(1)It is composed of a central ring canal from which radial canals extend

(2)Tube like appendages called tube feet is present

(3)It is a modification of one of the several coelomic spaces.

(4)It works like hydraulic system.

(5) Water enters the Water Vascular System through a madreporite.

(6) When the muscles in the tube feet contract the tube foot bends  and pull the animal forward.

1. 6

2. 5

3. 4

4. 3

Subtopic:  Phylum Echinodermata |
 53%
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