Vertebrate Zoology — MCQs Biology 50 min Score: 0 Attempted: 0/50 Subscribe 1. Vertebrates are animals with: (A) Exoskeleton only (B) No backbone (C) Backbone or vertebral column (D) Soft body only 2. Which is the largest class of vertebrates? (A) Reptilia (B) Mammalia (C) Amphibia (D) Pisces 3. Sharks belong to class: (A) Amphibia (B) Osteichthyes (C) Chondrichthyes (D) Reptilia 4. Bony fishes belong to: (A) Amphibia (B) Chondrichthyes (C) Osteichthyes (D) Reptilia 5. Amphibians are: (A) Aquatic only (B) Endothermic and terrestrial only (C) Ectothermic and live both in water and on land (D) Flying animals 6. Frogs are: (A) Birds (B) Reptiles (C) Amphibians (D) Mammals 7. Reptiles are: (A) Ectothermic and lay amniotic eggs (B) Endothermic and lay eggs (C) Endothermic and live in water only (D) Ectothermic and give live birth only 8. Snakes belong to class: (A) Aves (B) Amphibia (C) Mammalia (D) Reptilia 9. Birds are: (A) Endothermic and have feathers (B) Ectothermic and scaly skin (C) Ectothermic and lay eggs in water (D) Endothermic and naked skin 10. Mammals are: (A) Endothermic and have scales only (B) Ectothermic and lay eggs (C) Ectothermic and have feathers (D) Endothermic, have hair, and produce milk 11. Mammals include: (A) Humans, whales, and bats (B) Frogs and snakes (C) Sharks and bony fishes (D) Crocodiles and turtles 12. Fish breathe using: (A) Gills (B) Lungs (C) Skin (D) Spiracles 13. Amphibians breathe through: (A) Spiracles only (B) Only gills (C) Only lungs (D) Skin, lungs, and gills (larvae) 14. Reptiles breathe using: (A) Gills (B) Lungs (C) Skin (D) Spiracles 15. Birds have: (A) Lungs with air sacs (B) Gills (C) Skin respiration only (D) Lungs without air sacs 16. Mammals have: (A) Skin respiration only (B) Gills (C) Air sacs only (D) Diaphragm for respiration 17. Sharks have skeleton made of: (A) Cartilage (B) Bone (C) Chitin (D) Keratin 18. Bony fishes have skeleton made of: (A) Chitin (B) Cartilage (C) Bone (D) Keratin 19. Amphibians exhibit: (A) No metamorphosis (B) Direct development only (C) Viviparity only (D) Metamorphosis 20. Crocodiles and turtles belong to: (A) Reptilia (B) Amphibia (C) Mammalia (D) Pisces 21. Birds are adapted for: (A) Swimming only (B) Flight (C) Burrowing (D) Crawling 22. Feathers in birds are modified: (A) Cartilage (B) Bones (C) Epidermal scales (D) Muscles 23. Mammals produce: (A) External fertilized eggs (B) Eggs only (C) Spore-like embryos (D) Milk for their young 24. Placental mammals include: (A) Platypus (B) Kangaroos (C) Humans, whales, and elephants (D) Frogs 25. Marsupials include: (A) Kangaroos and koalas (B) Humans (C) Whales (D) Crocodiles 26. Monotremes lay: (A) Spores (B) Live young (C) Eggs (D) Pouches 27. Platypus and echidna belong to: (A) Marsupialia (B) Monotremata (C) Primates (D) Carnivora 28. Vertebrates are characterized by: (A) No brain (B) Well-developed brain and sensory organs (C) No sensory organs (D) Only spinal cord 29. Heart of fishes is: (A) Four-chambered (B) Three-chambered (C) Two-chambered (D) One-chambered 30. Heart of amphibians is: (A) Five-chambered (B) Two-chambered (C) Four-chambered (D) Three-chambered 31. Heart of reptiles (except crocodiles) is: (A) Three-chambered (B) Two-chambered (C) Four-chambered (D) Five-chambered 32. Crocodiles have heart: (A) Two-chambered (B) Three-chambered (C) Four-chambered (D) Five-chambered 33. Birds have heart: (A) Four-chambered (B) Three-chambered (C) Two-chambered (D) Five-chambered 34. Mammals have heart: (A) Four-chambered (B) Three-chambered (C) Two-chambered (D) Five-chambered 35. Fish are: (A) Ectothermic (B) Endothermic (C) Warm-blooded (D) Terrestrial 36. Amphibians are: (A) Flying animals (B) Endothermic (C) Warm-blooded (D) Ectothermic 37. Reptiles are: (A) Birds (B) Endothermic (C) Warm-blooded (D) Ectothermic 38. Birds are: (A) Cold-blooded (B) Ectothermic (C) Endothermic (D) Amphibious 39. Mammals are: (A) Ectothermic (B) Endothermic (C) Cold-blooded (D) Aquatic only 40. Vertebrate excretion is mainly through: (A) Cloaca only (B) Skin (C) Gills only (D) Kidneys 41. Vertebrates have: (A) Well-developed coelom (B) No coelom (C) Pseudocoelom (D) Acoelom 42. Vertebrate nervous system is: (A) Lateral (B) Ventral and solid (C) Dorsal and hollow (D) Absent 43. Vertebrate skeleton is: (A) Endoskeleton (B) Exoskeleton (C) Cartilaginous only (D) Absent 44. Vertebrate reproduction is usually: (A) Budding (B) Asexual (C) Binary fission (D) Sexual 45. Fertilization in fishes and amphibians is mainly: (A) External (B) Internal (C) Parthenogenetic (D) Budding 46. Fertilization in reptiles, birds, and mammals is: (A) External (B) Internal (C) Budding (D) Parthenogenetic 47. Vertebrate limbs are: (A) Paired (B) Unpaired (C) Fins only (D) Wings only 48. Fish fins are: (A) Only paired (B) Paired or unpaired (C) Only unpaired (D) Absent 49. Birds have forelimbs modified as: (A) Legs (B) Fins (C) Wings (D) Claws 50. Mammalian forelimbs can be modified for: (A) Only flying (B) Only walking (C) Only swimming (D) Walking, flying, swimming, or grasping