Animal Anatomy — MCQs Biology 50 min Score: 0 Attempted: 0/50 Subscribe 1. Animal anatomy is the study of: (A) Genetics of animals (B) Behavior of animals (C) Structure of animals (D) Physiology of animals 2. Vertebrate skeleton is called: (A) Exoskeleton (B) Endoskeleton (C) Cartilaginous shell (D) Chitinous cover 3. Invertebrates mainly have: (A) No skeleton (B) Endoskeleton (C) Exoskeleton (D) Cartilaginous skeleton 4. Axial skeleton includes: (A) Muscles only (B) Limbs (C) Pectoral and pelvic girdles (D) Skull, vertebral column, and ribs 5. Appendicular skeleton includes: (A) Vertebral column only (B) Skull only (C) Limbs and girdles (D) Ribs only 6. Skull is made of: (A) Ribs only (B) Vertebrae only (C) Cranium and facial bones (D) Limbs only 7. Vertebral column is composed of: (A) Vertebrae (B) Ribs only (C) Skull only (D) Sternum only 8. Ribs are attached to: (A) Lumbar vertebrae (B) Thoracic vertebrae (C) Cervical vertebrae (D) Sacral vertebrae 9. Sternum is: (A) Backbone (B) Breastbone (C) Skull bone (D) Limb bone 10. Pectoral girdle consists of: (A) Hip bones (B) Scapula and clavicle (C) Vertebrae (D) Ribs 11. Pelvic girdle connects: (A) Skull to vertebrae (B) Forelimbs only (C) Hind limbs to vertebral column (D) Ribs to sternum 12. Forelimbs of vertebrates are used for: (A) Reproduction (B) Breathing (C) Digestion (D) Walking, grasping, swimming, flying 13. Hind limbs of vertebrates are used for: (A) Locomotion (B) Digestion (C) Respiration (D) Reproduction 14. Fish have fins instead of: (A) Skull (B) Lungs (C) Limbs (D) Vertebrae 15. Amphibians have: (A) Four limbs (B) Two limbs only (C) Fins only (D) No limbs 16. Reptiles have: (A) Fins only (B) Two limbs only (C) Four limbs (sometimes modified) (D) No limbs 17. Birds have forelimbs modified as: (A) Wings (B) Legs (C) Fins (D) Claws only 18. Birds have hind limbs for: (A) Swimming only (B) Flying (C) Walking or perching (D) Digestion 19. Mammalian forelimbs are adapted for: (A) Respiration (B) Swimming only (C) Digestion (D) Walking, flying, grasping, swimming 20. Mammalian hind limbs are adapted for: (A) Reproduction only (B) Digestion (C) Respiration (D) Locomotion 21. Fish gills are supported by: (A) Vertebrae (B) Limbs (C) Gill arches (D) Skull bones 22. Amphibians respire through: (A) Only lungs (B) Skin, lungs, and gills (larvae) (C) Only gills (D) Only spiracles 23. Reptiles respire through: (A) Lungs (B) Gills (C) Skin only (D) Spiracles only 24. Birds have: (A) Lungs with air sacs (B) Gills (C) Skin respiration only (D) Lungs without air sacs 25. Mammals have: (A) Gills (B) Lungs with diaphragm (C) Air sacs only (D) Skin respiration only 26. Vertebrate digestive system is: (A) Incomplete (B) Complete (mouth to anus) (C) Absent (D) Single-chambered only 27. Vertebrates show: (A) Only carnivorous adaptation (B) No specialization (C) Digestive specialization according to diet (D) Only herbivorous adaptation 28. Fish heart is: (A) Two-chambered (B) Three-chambered (C) Four-chambered (D) Five-chambered 29. Amphibian heart is: (A) Three-chambered (B) Two-chambered (C) Four-chambered (D) One-chambered 30. Reptile heart is: (A) Four-chambered (B) Two-chambered (C) Three-chambered (except crocodiles) (D) One-chambered 31. Crocodile heart is: (A) Five-chambered (B) Three-chambered (C) Two-chambered (D) Four-chambered 32. Bird heart is: (A) Three-chambered (B) Four-chambered (C) Two-chambered (D) Five-chambered 33. Mammalian heart is: (A) One-chambered (B) Three-chambered (C) Two-chambered (D) Four-chambered 34. Vertebrates have: (A) Lateral nerve cord (B) Ventral solid nerve cord (C) Dorsal hollow nerve cord (D) No nerve cord 35. Brain of vertebrates is: (A) Well developed with specialized regions (B) Absent (C) Simple nerve net (D) Ventral only 36. Vertebrate sense organs include: (A) Only eyes (B) Eyes, ears, nose, tongue, skin (C) Only skin (D) Only ears 37. Vertebrates have: (A) No kidney (B) Single kidney only (C) Paired kidneys for excretion (D) Skin excretion only 38. Vertebrate limbs are: (A) Paired (B) Unpaired (C) Only fins (D) Only wings 39. Vertebrate skeleton is made of: (A) Bone and cartilage (B) Chitin only (C) Keratin only (D) Exoskeleton only 40. Fish have: (A) Four limbs (B) Paired and unpaired fins (C) Wings only (D) Legs only 41. Amphibians have: (A) Fins only (B) Four limbs (C) Wings only (D) No limbs 42. Reptiles have: (A) Two limbs only (B) Four limbs (C) Fins only (D) No limbs 43. Birds have: (A) Fins (B) Four wings (C) Two forelimbs as wings (D) Legs only 44. Mammals have: (A) Wings only (B) Two limbs only (C) No limbs (D) Four limbs adapted for various functions 45. Vertebrates exhibit: (A) Segmentation in some internal organs (B) No segmentation (C) Only external segmentation (D) None 46. Vertebrate skin is: (A) Absent (B) Thin only (C) Exoskeleton only (D) Protective, with glands and sensory structures 47. Vertebrate skeleton provides: (A) Only movement (B) Only protection (C) Only support (D) Support, protection, and leverage for movement 48. Vertebrate brain is divided into: (A) Forebrain, midbrain, and hindbrain (B) Only forebrain (C) Only midbrain (D) Only hindbrain 49. Vertebrate circulatory system is: (A) Closed (B) Open (C) Absent (D) Single-chambered only 50. Vertebrate anatomy studies: (A) Only physiology (B) Only behavior (C) Only genetics (D) Structure of organs, tissues, and systems