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 & Platyhelminthes | Phylum Echinodermata |
 84%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

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 & Platyhelminthes |
 66%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

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 & Platyhelminthes | Phylum Annelida |
 81%
From NCERT
NEET - 2021
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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 |
 88%
From NCERT
NEET - 2017
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh