Stinging capsule present in Cnidarians is called

1.Nematocysts

2.Choanocytes

3.Cnidocytes

4.Both 2 and 3

Subtopic:  Phylum Coelenterata |
 64%
From NCERT
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Cnidocytes are used for

1.Anchorage

2.Defence

3.Capturing of prey

4.All of these

Subtopic:  Phylum Coelenterata |
 99%
From NCERT
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Which of the following is not true about Cnidarians

1.Radial symmetry

2.Diploblastic

3.Tissue level of organisation

4.Deutrostomes

Subtopic:  Phylum Coelenterata |
 89%
From NCERT
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The distinctive feature of Cnidarians is

1.Cnidoblast

2.Polyp and Medusa form

3.Gastro-vascular cavity

4.Hypostome

Subtopic:  Phylum Coelenterata |
 61%
From NCERT
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In Cnidarians the digestion is

1.Intracellular

2.Extracellular

3.Intercellular

4.Both 1 and 2

Subtopic:  Phylum Coelenterata |
 90%
From NCERT
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Which of the following is true about Gastro-vascular cavity of Cnidarians?

1.It contains single opening

2.Mouth on hypostome

3.Anus on hypostome

4.Both 1 and 2

Subtopic:  Phylum Coelenterata |
 82%
From NCERT
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The sessile and cylindrical form of Cnidarians is called as

1.Medusa

2.Polyp

3.Both 1 and 2

4.Neither medusa nor Polyp

Subtopic:  Phylum Coelenterata |
 78%
From NCERT
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The umbrella shaped and free-swimming form of Cindarians is not present in

1.Aurelia

2.Jellyfish

3.Adamsia

4.Both 1 and 2

Subtopic:  Phylum Coelenterata |
 56%
From NCERT
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Metagenesis is not present in

1.Obelia

2.Adamsia

3.Pennatula

4.Both 2 and 3

Subtopic:  Phylum Coelenterata |
 79%
From NCERT
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Alternation of generation is present in

1.Sea-pen

2.Sea-fan

3.Obelia

4.Sea anemone

Subtopic:  Phylum Coelenterata |
 95%
From NCERT
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