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Q. No.Match the following list of animals with their level of organisation.
Choose the correct match showing division of labour with animal example.
1. (i)-B, (ii)-C,(iii)-D and (iv)-A
2. (i)-B, (ii)-D,(iii)-C and (iv)-A
3. (i)-D, (ii)-A, (iii)-B and (iv)-C
4. (i)-A,(ii)-D,(iii)-C and (v)-B
| Animal | Division of Labour |
| i. Pheretima ii. Fasciola iii. Spongilla iv. Obelia |
A. Organ level B. Cellular aggregate level C. Tissue level D. Organ system level |
1. (i)-B, (ii)-C,(iii)-D and (iv)-A
2. (i)-B, (ii)-D,(iii)-C and (iv)-A
3. (i)-D, (ii)-A, (iii)-B and (iv)-C
4. (i)-A,(ii)-D,(iii)-C and (v)-B
Subtopic: Basis of Classification |
90%
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One example of animals having a single opening to the outside that serves both as mouth as well as the anus is:
1. Octopus
2. Asterias
3. Ascidia
4. Fasciola
Subtopic: Phylum Ctenophora & Platyhelminthes |
73%
From NCERT
AIPMT - 2010
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Radial symmetry is not found in adults of phylum__________
| 1. | Echinodermata D | 2. | Ctenophora |
| 3. | Hemichordata | 4. | Coelenterata |
Subtopic: Phylum Hemichordata |
63%
From NCERT
NEET - 2023
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Which of the following animals are true coelomates with bilateral symmetry ?
1. Adult Echinoderms
2. Aschelminthes
3. Platyhelminthes
4. Annelids
Subtopic: Phylum Annelida | Phylum Echinodermata |
83%
From NCERT
NEET - 2019
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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 |
71%
AIPMT - 2008
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Body cavity is the cavity present between body wall and gut wall. In some animals the body cavity is not lined by mesoderm. Such animals are called.
1. Acoelomate
2. Pseudocoelomate
3. Coelomate
4. Haemocoelomate
Subtopic: Basis of Classification |
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In some animal groups, the body is found divided into compartments with at least some organs. This characteristic feature is called
1. Segmentation
2. Metamerism
3. Metagenesis
4. Metamorphosis
Subtopic: Basis of Classification |
67%
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Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the correct answer from the options given below:
| Assertion (A): | In hemichordates, the body cavity is lined by mesoderm. |
| Reason (R): | In aschelminthes, the body cavity is not lined by mesoderm |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Basis of Classification |
69%
From NCERT
NEET - 2024
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Which of the following pairs is an incorrect match?
1. Annelids and arthropods - Bilateral symmetry
2. Sponges - Acoelomates
3. Coelenterates and Ctenophores - Radial symmetry
4. Platyhelminthes - Diploblastic organisation
1. Annelids and arthropods - Bilateral symmetry
2. Sponges - Acoelomates
3. Coelenterates and Ctenophores - Radial symmetry
4. Platyhelminthes - Diploblastic organisation
Subtopic: Phylum Ctenophora & Platyhelminthes | Basis of Classification |
82%
From NCERT
NEET - 2024
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From the following statements, select the wrong one:
| 1. | Prawn has two pairs of antennae |
| 2. | Millipedes have two pairs of appendages in each segment of the body |
| 3. | Animals belonging to the phylum Porifera are exclusively marine |
| 4. | Nematocysts are characteristic of the phylum Cnidaria |
Subtopic: Phylum Porifera |
68%
From NCERT
AIPMT - 2005
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