Diversity in Living World - Animal Kingdom

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Q1. Which of the following is a defining characteristic of the phylum Annelida? (2023)

Solution:

Annelids, such as earthworms, are characterized by their segmented bodies, which is a defining feature of this phylum.

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Q2. Which of the following animals is classified as an annelid? (2022)

Solution:

Earthworms belong to the phylum Annelida, which is characterized by segmented bodies.

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Q3. Which of the following is a defining feature of the phylum Annelida? (2023)

Solution:

Annelids, such as earthworms, are characterized by their segmented bodies.

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Q4. What type of symmetry is exhibited by organisms in the phylum Platyhelminthes? (2022)

Solution:

Platyhelminthes, or flatworms, exhibit bilateral symmetry, which is a key characteristic of this phylum.

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Q5. Which of the following is NOT a characteristic of the phylum Echinodermata? (2022)

Solution:

Echinodermata do not possess a notochord; this feature is characteristic of Chordata.

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Q6. Which of the following is a characteristic feature of echinoderms? (2021)

Solution:

Echinoderms, such as starfish and sea urchins, are characterized by a water vascular system, which aids in movement and feeding.

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Q7. Which of the following is NOT a characteristic of the phylum Porifera? (2023)

Solution:

Porifera, or sponges, lack true tissues, which distinguishes them from other multicellular organisms.

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Q8. What is the main characteristic of organisms in the phylum Mollusca? (2022)

Solution:

Mollusca are primarily soft-bodied animals, many of which have a hard shell for protection.

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Q9. Which of the following is a characteristic of the phylum Porifera? (2019)

Solution:

Phylum Porifera, which includes sponges, is characterized by a porous body structure.

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Q10. Which of the following groups of animals is known for having a three-chambered heart? (2020)

Solution:

Amphibians typically have a three-chambered heart, consisting of two atria and one ventricle.