Questions on Mesozoic Era
Mesozoic Era – Multiple Choice Questions
1. The Mesozoic Era is often called the:
A) Age of Mammals
B) Age of Fish
C) Age of Reptiles
D) Age of Insects
E) Age of Amphibians
2. Which of the following periods is not part of the Mesozoic Era?
A) Triassic
B) Jurassic
C) Carboniferous
D) Cretaceous
E) All of the above are part of the Mesozoic
3. The Mesozoic Era lasted approximately how many million years?
A) 66
B) 135
C) 252
D) 186
E) 201
4. Dinosaurs first appeared during the:
A) Jurassic Period
B) Cretaceous Period
C) Permian Period
D) Triassic Period
E) Devonian Period
5. The famous “Tyrannosaurus rex” lived during which period?
A) Triassic
B) Jurassic
C) Carboniferous
D) Silurian
E) Cretaceous
6. The supercontinent Pangaea began to break apart during which period?
A) Permian
B) Triassic
C) Jurassic
D) Cambrian
E) Cretaceous
7. Which group of flying reptiles lived during the Mesozoic Era?
A) Bats
B) Archaeopteryx
C) Pterosaurs
D) Dodos
E) Falcons
8. Which group of marine reptiles was common during the Mesozoic?
A) Ichthyosaurs
B) Amphibians
C) Trilobites
D) Coelacanths
E) Nautiluses
9. Flowering plants (angiosperms) first appeared in which Mesozoic period?
A) Triassic
B) Jurassic
C) Cretaceous
D) Devonian
E) Permian
10. Which of these organisms coexisted with dinosaurs?
A) Modern humans
B) Saber-toothed cats
C) Primitive mammals
D) Pterosaurs only
E) None of the above
11. The Mesozoic Era ended approximately how many million years ago?
A) 200
B) 145
C) 100
D) 66
E) 23
12. Which event marks the end of the Mesozoic Era?
A) Formation of Earth
B) Great Oxygenation Event
C) K-T (Cretaceous-Paleogene) extinction
D) Ice Age
E) Cambrian Explosion
13. Birds are believed to have evolved from which group?
A) Mammals
B) Amphibians
C) Reptiles
D) Dinosaurs
E) Fish
14. What is the correct order of periods in the Mesozoic Era (from oldest to youngest)?
A) Cretaceous – Jurassic – Triassic
B) Triassic – Jurassic – Cretaceous
C) Jurassic – Cretaceous – Triassic
D) Triassic – Cretaceous – Jurassic
E) Cretaceous – Triassic – Jurassic
15. Which Mesozoic period had the highest sea levels and warmest climate?
A) Triassic
B) Jurassic
C) Cretaceous
D) Permian
E) Carboniferous
16. The first true mammals appeared in which period?
A) Triassic
B) Jurassic
C) Cretaceous
D) Devonian
E) Silurian
17. Which of these dinosaurs lived during the Jurassic Period?
A) Stegosaurus
B) Triceratops
C) Velociraptor
D) Ankylosaurus
E) Tyrannosaurus rex
18. Which plant group dominated the early Mesozoic landscapes?
A) Angiosperms
B) Algae
C) Ferns and Gymnosperms
D) Mosses
E) Liverworts
19. Which event occurred during the end of the Triassic?
A) Massive dinosaur extinction
B) First appearance of flowering plants
C) First true mammals
D) Major volcanic eruptions and mass extinction
E) Ice age
20. What major evolutionary advantage allowed dinosaurs to dominate the Mesozoic?
A) Warm-bloodedness
B) Rapid reproduction
C) Upright posture and strong limb structure
D) Ability to fly
E) Mammalian features
Answer Key
1. C
2. C
3. B
4. D
5. E
6. B
7. C
8. A
9. C
10. C
11. D
12. C
13. D
14. B
15. C
16. A
17. A
18. C
19. D
20. C
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