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Q1. What is the primary characteristic that defines the Animal Kingdom?
Solution:
The Animal Kingdom is primarily defined by multicellularity, which distinguishes animals from unicellular organisms.
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Q2. What is the primary function of the exoskeleton in arthropods?
Solution:
The exoskeleton in arthropods provides support and protection, allowing them to maintain their shape and protect against predators.
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Q3. Which group of animals is known for having a backbone?
Solution:
Vertebrates are the group of animals that possess a backbone, distinguishing them from invertebrates.
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Q4. What is the primary function of the respiratory system in animals?
Solution:
The primary function of the respiratory system is gas exchange, allowing oxygen to enter the body and carbon dioxide to be expelled.
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Q5. Which of the following is a method of asexual reproduction?
Solution:
Budding is a form of asexual reproduction where a new organism develops from an outgrowth of the parent.
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Q6. Which of the following animals is an example of an amphibian?
Solution:
Frogs are a classic example of amphibians, which typically undergo metamorphosis from a larval stage to an adult form.
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Q7. Which of the following is NOT a characteristic of mammals?
Solution:
Mammals are characterized by live births and mammary glands; while some lay eggs, it is not a defining characteristic of all mammals.
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Q8. What type of symmetry do most animals exhibit?
Solution:
Most animals exhibit bilateral symmetry, which allows for a distinct head and tail end.
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Q9. Which of the following is a characteristic of reptiles?
Solution:
Reptiles are characterized by their scaly skin, which helps prevent water loss and provides protection.
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