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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Which of the following is incorrect statement

1.Polyp produce medusae asexually

2.Medusae produce polyp sexually

3.Polyp produce medusae sexually

4.Obelia shows metagenesis

Subtopic:  Phylum Coelenterata |
 91%
From NCERT
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Which of the following is known as Portugese man of war

1.Pennatula

2.Adamsia

3.Meandrina

4.Physalia

Subtopic:  Phylum Coelenterata |
 87%
From NCERT
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The given diagram is of

1.Cnidoblast

2.Cnidocytes

3.Choanocytes

4.Both 1 and 2

Subtopic:  Phylum Coelenterata |
 77%
From NCERT
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Which of the following  not started from Cnidarians?

1.Tissue level of Organisation

2.Radial symmetry

3.Diploblastic body plan

4.Presence of mesoderm

Subtopic:  Phylum Coelenterata |
 81%
From NCERT
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In which of the following form metamerism is present

1.Obelia

2.Hydra

3.Sea anemone

4.None of the above

Subtopic:  Phylum Coelenterata |
 61%
From NCERT
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Which of the following germinal layer is absent in Cnidarians

1.Ectoderm

2.Endoderm

3.Mesoderm

4.Both 2 and 3

Subtopic:  Phylum Coelenterata |
 92%
From NCERT
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Ctenophores are commonly known as

1.Sea walnuts

2.Comb jellies

3.Cnidarians

4.Both 1 and 2

Subtopic:  Phylum Ctenophora & Platyhelminthes |
 91%
From NCERT
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