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 |
 60%
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 |
 80%
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 |
 71%
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 |
 55%
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 |
 82%
From NCERT
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Match the following organism with their respective characteristics:

Column I Column II
(a) Pila  (i) Flame cells
(b) Bombyx (ii) Comb plates
(c) Pleurobrachia (iii) Radula
(d) Taenia  (iv) Malpighian tubules

Select the correct option from the following:

Options: (a) (b) (c) (d)
1.  (iii)   (ii)  (iv)  (i)
2.  (iii)   (ii)     (i)     (iv) 
3.  (iii)   (iv)   (ii)    (i)
4.  (ii)   (iv)  (iii)    (i)
Subtopic:  Phylum Ctenophora & Platyhelminthes | Phylum Arthropoda | Phylum Mollusca |
 87%
From NCERT
NEET - 2019
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Alternation of generation is present in

1.Sea-pen

2.Sea-fan

3.Obelia

4.Sea anemone

Subtopic:  Phylum Coelenterata |
 92%
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 |
 88%
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 |
 91%
From NCERT
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