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 |
 81%
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 |
 77%
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 |
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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%
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Which of the following is incorrect about Echinoderms?

1. Free swimming larva present

2. Indirect development

3. Excretory system is absent

4. Incomplete digestive system

Subtopic:  Phylum Echinodermata |
 82%
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Which of the following is true for Hemichordata?

1. Earlier placed under phylum of Chordata

2. Now placed under Non- Chordata

3. Notochord is absent

4. All of these

Subtopic:  Phylum Hemichordata |
 92%
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Which is incorrect for Hemichordata?

1. Cylindrical body

2. Proboscis, Collar and Trunk present

3. Bilaterally symmetrical

4. Head, Collar and Trunk present

Subtopic:  Phylum Hemichordata |
 82%
From NCERT
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