Amphibia MCQs January 8, 2026September 28, 2024 by u930973931_answers 30 min Score: 0 Attempted: 0/30 Subscribe 1. What is the primary characteristic of Amphibia? (A) They are fully aquatic (B) They have a dry skin (C) They undergo metamorphosis (D) They have feathers 2. Which of the following is a subclass of Amphibia? (A) Anura (B) Reptilia (C) Actinopterygii (D) Chondrichthyes 3. What type of skin do amphibians have? (A) Scaly (B) Feathery (C) Smooth and moist (D) Bumpy and dry 4. Which of the following animals is NOT an amphibian? (A) Frog (B) Salamander (C) Toad (D) Lizard 5. What is the primary mode of respiration in adult amphibians? (A) Both B and C (B) Lungs (C) Skin (D) Gills 6. Which life stage of amphibians typically has gills? (A) Adult (B) Egg (C) None (D) Larva 7. What type of reproduction do most amphibians exhibit? (A) Asexual (B) Budding (C) Internal fertilization (D) External fertilization 8. What is the main purpose of the amphibian’s moist skin? (A) To facilitate respiration (B) To provide insulation (C) To protect against predators (D) To absorb sunlight 9. Which of the following groups is included in the class Amphibia? (A) Fish (B) Reptiles (C) Birds (D) Frogs 10. What type of habitat do most amphibians prefer? (A) Dry deserts (B) Aquatic and semi-aquatic environments (C) High altitudes (D) Cold climates 11. What is the common name for the order Anura? (A) Salamanders (B) Caecilians (C) Frogs and toads (D) Lizards 12. What is a major threat to amphibian populations worldwide? (A) Climate change (B) Overfishing (C) Habitat destruction (D) Both A and C 13. Which of the following structures helps amphibians with balance while swimming? (A) Fins (B) Webbed feet (C) Tail (D) All of the above 14. Which of the following amphibians is known for its ability to regenerate limbs? (A) Frog (B) Toad (C) Salamander (D) Caecilian 15. What is the role of the tympanic membrane in amphibians? (A) Hearing (B) Respiration (C) Balance (D) Digestion 16. Which of the following statements is true about amphibians? (A) They can absorb water through their skin (B) They do not have a larval stage (C) They are exclusively terrestrial (D) They have no predators 17. How do amphibians typically communicate? (A) Through visual displays (B) Through vocalizations (C) All of the above (D) Through chemical signals 18. Which order of amphibians is known for being limbless? (A) Anura (B) Apoda (C) Urodela (D) Amphibia 19. What adaptation helps amphibians avoid desiccation? (A) Scales (B) Thick fur (C) Moist skin (D) Feathers 20. Which amphibian is known for its distinctive vocal calls during mating season? (A) Frog (B) Salamander (C) Toad (D) Caecilian 21. What type of circulatory system do amphibians possess? (A) Open circulatory system (B) None of the above (C) Semi-open circulatory system (D) Closed circulatory system 22. Which of the following is a method of defense used by some amphibians? (A) All of the above (B) Toxic secretions (C) Aposematism (D) Camouflage 23. What is the typical diet of adult amphibians? (A) Herbivorous (B) Both B and C (C) Omnivorous (D) Carnivorous 24. How do amphibians generally absorb moisture? (A) Through their mouths (B) Through their lungs (C) Through their skin (D) Through their eyes 25. Which of the following amphibians is often used as a model organism in scientific research? (A) Bullfrog (B) Tiger salamander (C) Common toad (D) Axolotl 26. What does the term “ectothermic” mean in relation to amphibians? (A) They generate their own body heat (B) They can survive in extreme temperatures (C) They have a constant body temperature (D) They depend on external sources of heat 27. What environmental changes significantly impact amphibian populations? (A) Pollution (B) Climate change (C) All of the above (D) Habitat destruction 28. What is the primary function of the skin glands in amphibians? (A) Production of hormones (B) Secretion of mucus and toxins (C) Photosynthesis (D) Digestion 29. Which amphibian is famous for its ability to live both on land and in water? (A) Shark (B) Frog (C) Salmon (D) Alligator 30. What is the primary purpose of the amphibian’s cloaca? (A) Excretion (B) Both A and B (C) Reproduction (D) Digestion