Vertebrate Biology mcqs of animals
1. Which of the following is not a class of vertebrates?
A) Mammalia
B) Amphibia
C) Arachnida
D) Reptilia
Answer: C) Arachnida
2. What is the primary characteristic that distinguishes vertebrates from invertebrates?
A) Presence of a backbone or spinal column
B) Presence of a true coelom
C) Radial symmetry
D) Exoskeleton made of chitin
Answer: A) Presence of a backbone or spinal column
3. The presence of mammary glands is a characteristic feature of which class of vertebrates?
A) Mammalia
B) Aves
C) Reptilia
D) Amphibia
Answer: A) Mammalia
4. Which of the following is not a characteristic of mammals?
A) Presence of hair or fur
B) Ability to lay eggs
C) Warm-bloodedness
D) Presence of mammary glands
Answer: B) Ability to lay eggs
5. Which class of vertebrates is characterized by the presence of feathers and beaks?
A) Mammalia
B) Aves
C) Reptilia
D) Amphibia
Answer: B) Aves
6. What is the primary function of the amniotic egg in reptiles and birds?
A) Protection of the embryo
B) Gas exchange
C) Nutrient storage
D) Waste elimination
Answer: A) Protection of the embryo
7. Which of the following is not a characteristic of birds?
A) Feathers
B) Endothermy
C) Three-chambered heart
D) Cold-bloodedness
Answer: D) Cold-bloodedness
8. The lateral line system is a sensory organ found in which class of vertebrates?
A) Mammalia
B) Aves
C) Pisces (Fish)
D) Amphibia
Answer: C) Pisces (Fish)
9. Which of the following is not a characteristic of reptiles?
A) Ectothermy
B) Dry, scaly skin
C) Three-chambered heart
D) Live birth
Answer: D) Live birth
10. What is the primary function of the swim bladder in fish?
A) Buoyancy control
B) Gas exchange
C) Digestion
D) Thermoregulation
Answer: A) Buoyancy control
11. Which of the following is not a characteristic of amphibians?
A) Moist, permeable skin
B) Ectothermy
C) Presence of lungs for respiration
D) Terrestrial eggs with shells
Answer: D) Terrestrial eggs with shells
12. Which of the following is not a characteristic of cartilaginous fish?
A) Presence of jaws
B) Bony skeleton
C) Internal fertilization
D) Placoid scales
Answer: B) Bony skeleton
13. What is the primary function of the Jacobson’s organ in snakes?
A) Vision
B) Hearing
C) Smell
D) Balance
Answer: C) Smell
14. Which class of vertebrates is characterized by the presence of a notochord, dorsal nerve cord, pharyngeal slits, and a post-anal tail during some stage of their development?
A) Mammalia
B) Aves
C) Amphibia
D) Chondrichthyes
Answer: C) Amphibia
15. Which of the following is not a characteristic of mammals?
A) Presence of hair or fur
B) Ability to lay eggs
C) Warm-bloodedness
D) Presence of mammary glands
Answer: B) Ability to lay eggs
16. What is the primary function of the amniotic egg in reptiles and birds?
A) Protection of the embryo
B) Gas exchange
C) Nutrient storage
D) Waste elimination
Answer: A) Protection of the embryo
17. Which class of vertebrates is characterized by the presence of feathers and beaks?
A) Mammalia
B) Aves
C) Reptilia
D) Amphibia
Answer: B) Aves
18. What is the primary function of the swim bladder in fish?
A) Buoyancy control
B) Gas exchange
C) Digestion
D) Thermoregulation
Answer: A) Buoyancy control
19. Which of the following is not a characteristic of reptiles?
A) Ectothermy
B) Dry, scaly skin
C) Three-chambered heart
D) Live birth
Answer: D) Live birth
20. What is the primary function of the Jacobson’s organ in snakes?
A) Vision
B) Hearing
C) Smell
D) Balance
Answer: C) Smell
21. Which class of vertebrates is characterized by the presence of a notochord, dorsal nerve cord, pharyngeal slits, and a post-anal tail during some stage of their development?
A) Mammalia
B) Aves
C) Amphibia
D) Chondrichthyes
Answer: C) Amphibia
22. Which of the following is not a characteristic of birds?
A) Feathers
B) Endothermy
C) Three-chambered heart
D) Cold-bloodedness
Answer: D) Cold-bloodedness
23. The lateral line system is a sensory organ found in which class of vertebrates?
A) Mammalia
B) Aves
C) Pisces (Fish)
D) Amphibia
Answer: C) Pisces (Fish)
24. Which of the following is not a characteristic of reptiles?
A) Ectothermy
B) Dry, scaly skin
C) Three-chambered heart
D) Live birth
Answer: D) Live birth
25. What is the primary function of the Jacobson’s organ in snakes?
A) Vision
B) Hearing
C) Smell
D) Balance
Answer: C) Smell
26. Which class of vertebrates is characterized by the presence of a notochord, dorsal nerve cord, pharyngeal slits, and a post-anal tail during some stage of their development?
A) Mammalia
B) Aves
C) Amphibia
D) Chondrichthyes
Answer: C) Amphibia
27. Which of the following is not a characteristic of birds?
A) Feathers
B) Endothermy
C) Three-chambered heart
D) Cold-bloodedness
Answer: D) Cold-bloodedness
28. The lateral line system is a sensory organ found in which class of vertebrates?
A) Mammalia
B) Aves
C) Pisces (Fish)
D) Amphibia
Answer: C) Pisces (Fish)
29. Which of the following is not a characteristic of reptiles?
A) Ectothermy
B) Dry, scaly skin
C) Three-chambered heart
D) Live birth
Answer: D) Live birth
30. What is the primary function of the Jacobson’s organ in snakes?
A) Vision
B) Hearing
C) Smell
D) Balance
Answer: C) Smell
31. Which class of vertebrates is characterized by the presence of a notochord, dorsal nerve cord, pharyngeal slits, and a post-anal tail during some stage of their development?
A) Mammalia
B) Aves
C) Amphibia
D) Chondrichthyes
Answer: C) Amphibia
32. Which of the following is not a characteristic of birds?
A) Feathers
B) Endothermy
C) Three-chambered heart
D) Cold-bloodedness
Answer: D) Cold-bloodedness
33. The lateral line system is a sensory organ found in which class of vertebrates?
A) Mammalia
B) Aves
C) Pisces (Fish)
D) Amphibia
Answer: C) Pisces (Fish)
34. Which of the following is not a characteristic of reptiles?
A) Ectothermy
B) Dry, scaly skin
C) Three-chambered heart
D) Live birth
Answer: D) Live birth
35. What is the primary function of the Jacobson’s organ in snakes?
A) Vision
B) Hearing
C) Smell
D) Balance
Answer: C) Smell
36. Which class of vertebrates is characterized by the presence of a notochord, dorsal nerve cord, pharyngeal slits, and a post-anal tail during some stage of their development?
A) Mammalia
B) Aves
C) Amphibia
D) Chondrichthyes
Answer: C) Amphibia