Diversity in Living World - Animal Kingdom

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Q1. Which of the following is a feature of the phylum Platyhelminthes? (2019)

Solution:

Platyhelminthes, or flatworms, are characterized by their flat body shape and lack of a coelom.

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Q2. What is the main characteristic of the phylum Mollusca? (2021)

Solution:

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

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Q3. What is the main characteristic of organisms in the phylum Porifera? (2022)

Solution:

Organisms in the phylum Porifera, commonly known as sponges, are characterized by the presence of pores in their body.

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Q4. Which class of animals is characterized by having scales and laying eggs on land? (2022)

Solution:

Reptiles are characterized by having scales and typically lay eggs on land.

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Q5. 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.

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Q6. Which of the following groups of animals is characterized by having feathers? (2021)

Solution:

Birds are the only group of animals that possess feathers, which are essential for flight and insulation.

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Q7. Which of the following animals is classified as a bony fish? (2022)

Solution:

Goldfish are classified as bony fish, belonging to the class Osteichthyes, which have a skeleton made of bone.

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Q8. Which class of animals is known for having a three-chambered heart? (2023)

Solution:

Reptiles typically have a three-chambered heart, except for crocodilians which have a four-chambered heart.

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Q9. Which of the following is a characteristic of the phylum Nematoda? (2022)

Solution:

Nematodes, or roundworms, are characterized by a body covered with a cuticle and are unsegmented.

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Q10. Which of the following is a characteristic feature of phylum Arthropoda? (2020)

Solution:

Phylum Arthropoda is characterized by a segmented body, jointed appendages, and an exoskeleton made of chitin.