The mode of reproduction in sponges is

1.Sexual

2.Asexual

3.Both 1 and 2

4.None of these

Subtopic:  Phylum Porifera |
 87%
From NCERT
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Which of the following is true about sponges except

1.Sponges are hermaphrodite

2.Fertilisation is internal

3.Development is direct

4.Primitive multicellular animals

Subtopic:  Phylum Porifera |
 75%
From NCERT
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Find the incorrect match

1.Sycon-Scypha

2.Spongilla-Fresh water sponge

3.Euspongia- Bath sponge

4.Sycon- Bath sponge

Subtopic:  Phylum Porifera |
 90%
From NCERT
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Which one of the following is incorrect about Porifera?

1.Presence of spongin fibres

2.Cellular level of organisation

3.Presence of mouth and digestive cavity

4.Pores all over the body

Subtopic:  Phylum Porifera |
 86%
From NCERT
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Which of the following cell of sponges contains flagella

1. Nematocyst

2. Spongioblast

3. Amoebocyte

4. Choanocytes

Subtopic:  Phylum Porifera |
 84%
From NCERT
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Which of the following is true about the given organism?

            

1.It is a medusa form of Aurelia

2.It is Fresh water sponge

3.Central canal system is present in it

4.It’s mouth is formed first

Subtopic:  Phylum Porifera |
 54%
From NCERT
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Which of the following is true about the following  organism?

          

1. Radial symmetry is present

2. Fertilisation is external

3. Multicellular animal

4. Coelomate organism

Subtopic:  Phylum Porifera |
 69%
From NCERT
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Which of the following is  not true about the given organism?

                       

1.Bilateral symmetry is present

2.Hermaphrodite

3.Indirect development

4.Acoelomate organism

Subtopic:  Phylum Porifera |
 79%
From NCERT
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The name of the phylum Cnidaria is derived from the

1.Nematocysts

2.Cnidoblasts

3.Cnidocytes

4.Both 2 and 3

Subtopic:  Phylum Coelenterata |
 80%
From NCERT
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Stinging capsule present in Cnidarians is called

1.Nematocysts

2.Choanocytes

3.Cnidocytes

4.Both 2 and 3

Subtopic:  Phylum Coelenterata |
 63%
From NCERT
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