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