Water Vascular system helps in

1. Locomotion

2. Food capture and transport

3. Respiration

4. All of these

Subtopic:  Phylum Echinodermata |
 96%
From NCERT
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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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Which of the following is incorrect about Echinoderms?

1. Protostomous

2. Deuterostomous

3. Pentaradially symmetrical

4. Spiny skin

Subtopic:  Phylum Echinodermata |
 64%
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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 |
 90%
From NCERT
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Which is not true for Echinoderms?

1. Mouth is Dorsal

2. Anus is Ventral

3. Calcerous exoskeleton

4. All of these

 

Subtopic:  Phylum Echinodermata |
 82%
From NCERT
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How many of the following is the member of Echinodermata?

Sea hare, Sea cucumber, Sea lily, Sea urchin, Sea-pen, Sea fan, Sea anemone

1. 7

2. 4

3. 3

4. 2

Subtopic:  Phylum Echinodermata |
 60%
From NCERT
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Which of the following is not a member of Echinodermata?

1. Antedon

2. Asterias

3. Aplysia

4. Ophiura

Subtopic:  Phylum Mollusca |
 78%
From NCERT
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Incorrect statement about the given diagram is

(1)Pentaradial symmetry

(2)Have power of regeneration

(3)Each arm contains  a pair of sex organs

(4)None  of these

Subtopic:  Phylum Echinodermata |
 50%
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Correct name of the given diagram is

1. Asterias

2. Ophiura

3. Antedon

4. Echinus

Subtopic:  Phylum Echinodermata |
 67%
From NCERT
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Incorrect about  the given diagram is

1. External fertilisation

2. Anus is Ventral

3. Radial symmetry

4. Indirect development

Subtopic:  Phylum Echinodermata |
 76%
From NCERT
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