Ascaris is characterized by:
1. absence of true coelom but the presence of metamerism
2. presence of neither true coelom nor metamerism
3. presence of true coelom but the absence of metamerism
4. presence of true coelom and metamerism (metamerisation)

Subtopic:  Phylum Aschelminthes |
 70%
AIPMT - 2008
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Match the following

List-I List-II
(a) Physalia i. Pearl oyster
(b) Limulus ii. Portuguese Man of War
(c) Ancylostoma iii. Living fossil
(d) Pinctada iv. Hookworm

Choose the correct answer from the options given below:

Options: (a) (b) (c) (d)
1. ii iii iv i
2. i iv iii ii
3. ii iii i iv
4. iv i iii ii
Subtopic:  Phylum Coelenterata | Phylum Aschelminthes | Phylum Arthropoda | Phylum Mollusca |
 87%
From NCERT
NEET - 2021
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Read the following statements.

(a) Metagenesis is observed in Helminths.
(b) Echinoderms are triploblastic and coelomate animals.
(c) Round worms have organ-system level of body organization.
(d) Comb plates present in ctenophores help in digestion.
(e) Water vascular system is characteristic of Echinoderms.

Choose the correct answer from the options given below:

1. (a), (d) and (e) are correct

2. (b), (c) and (e) are correct

3. (c), (d) and (e) are correct

4. (a), (b) and (c) are correct

Subtopic:  Phylum Coelenterata | Phylum Ctenophora | Phylum Aschelminthes | Phylum Echinodermata |
 79%
From NCERT
NEET - 2021
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The similarity between Ascaris lumbricoides and Anopheles stephensi is:
1. Sexual dimorphism
2. Metamerism
3. Anaerobic respiration
4. Endoparasitism

Subtopic:  Phylum Aschelminthes | Phylum Arthropoda |
 60%
From NCERT
AIPMT - 2000
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Which one of the following groups of animals is bilaterally symmetrical and triploblastic?

1. Coelenterates (cnidarians)

2. Ascheminthes (roundworms)

3. Ctenophores

4. Sponges

Subtopic:  Phylum Aschelminthes |
 92%
From NCERT
AIPMT - 2009
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Which one of the following statements about certain given animals is correct?

1. Roundworms (Aschelminthes) are pseudocoelomates.

2. Mollusks are acoelomates.

3. Insects are pseudocoelomates.

4. Flatworms (Platyhelminthes) are coelomates.

Subtopic:  Phylum Aschelminthes |
 91%
From NCERT
AIPMT - 2010
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