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  • 1(current)
Q. No.
Select the correct statements:
A: Platyhelminthes are triploblastic, pseudocoelomate and bilaterally symmetrical organisms.
B: Ctenophores reproduce only sexually and fertilization is external.
C: In tapeworm, fertilization is internal but sexes are not separate.
D: Ctenophores are exclusively marine, diploblastic and bioluminescent organisms.
E: In sponges, fertilization is external and development is direct.

Choose the correct answer from the options given below:
1. (A), (C) and (D) only 2. (B), (C) and (D) only
3. (A) and (E) only 4. (B) and (D) only
Subtopic:  Phylum Porifera | Phylum Coelenterata | Phylum Ctenophora | Phylum Platyhelminthes |
 67%
From NCERT
NEET - 2023
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Match List - I with List - II

 List-I  List-II
 (a) Metamerism  (i) Coelenterata
 (b) Canal system  (ii) Ctenophora
 (c) Comb Plates  (iii) Annelida
 (d) Cnidoblasts  (iv) Porifera

Choose the correct answer from the options given below:

Options: (a) (b) (c) (d)
1. iii iv ii i
2. iv i ii iii
3. iv iii i ii
4. iii iv i ii
Subtopic:  Phylum Porifera | Phylum Coelenterata | Phylum Ctenophora | Phylum Annelida |
 83%
From NCERT
NEET - 2021
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 Match List - I with List - II
List-I List-II
(A) Contractile vacuole (I) Asterias
(B) Water vascular system (II) Amoeba
(C) Canal system (III) Spongilla
(D) Flame cells (IV) Taenia

Choose the correct answer from the options given below:
Options: (A) (B) (C) (D)
1. (IV) (II) (I) (III)
2. (I) (III) (II) (IV)
3. (III) (II) (I) (IV)
4. (II) (I) (III) (IV)
Subtopic:  Phylum Porifera | Phylum Ctenophora | Phylum Echinodermata |
 86%
From NCERT
NEET - 2023
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In the case of Poriferans, the spongocoel is lined with flagellated cells called:

1. Oscula

2. Choanocytes

3. Mesenchymal cells

4. Ostia

Subtopic:  Phylum Porifera |
 89%
From NCERT
NEET - 2017
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How many of the given statements regarding members of Porifera are correct?
I: They are exclusively marine.
II: They have cellular level of organisation.
III: They have a water vascular system with tube feet.
IV: Digestion is intracellular.
V: Fertilisation is external and development is direct.
1. 2
2. 3
3. 4
4. 5
Subtopic:  Phylum Porifera |
 59%
From NCERT
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Choanocyte is a collared flagellated cell found in sponges. The collar of this cell is made of:
1. microvilli
2. fibrils
3. tentacles
4. canals
Subtopic:  Phylum Porifera |
From NCERT
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Animals can be categorised on the basis of their symmetry. Which of the following statements are correct?
I: Sponges are mostly asymmetrical.
II: Coelenterates, ctenophores and adult echinoderms have radial symmetry.
III: Annelids and  arthropods exhibit bilateral symmetry.
 
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic:  Phylum Porifera | Phylum Coelenterata | Phylum Ctenophora | Phylum Annelida | Phylum Arthropoda | Basis of Classification |
 90%
From NCERT
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