Questions on Cenozoic Era
Cenozoic Era – Multiple Choice Questions
1. The Cenozoic Era is often called the:
A) Age of Reptiles
B) Age of Amphibians
C) Age of Mammals
D) Age of Fish
E) Age of Dinosaurs
2. Which of the following is not a period of the Cenozoic Era?
A) Paleogene
B) Neogene
C) Quaternary
D) Jurassic
E) All of the above are in the Cenozoic
3. The Cenozoic Era began approximately:
A) 252 million years ago
B) 145 million years ago
C) 66 million years ago
D) 23 million years ago
E) 10 million years ago
4. The extinction of which group marks the beginning of the Cenozoic Era?
A) Mammals
B) Amphibians
C) Trilobites
D) Dinosaurs
E) Birds
5. The rise of mammals occurred most prominently during the:
A) Triassic
B) Jurassic
C) Cretaceous
D) Cenozoic
E) Paleozoic
6. Which epoch is known for the appearance of modern humans?
A) Eocene
B) Miocene
C) Pliocene
D) Pleistocene
E) Paleocene
7. Which epoch is the most recent in the geologic time scale?
A) Miocene
B) Holocene
C) Oligocene
D) Pliocene
E) Pleistocene
8. The Cenozoic is divided into how many periods?
A) 1
B) 2
C) 3
D) 4
E) 5
9. The Paleogene Period includes which of the following epochs?
A) Holocene, Pleistocene, Pliocene
B) Paleocene, Eocene, Oligocene
C) Miocene, Pliocene
D) Triassic, Jurassic
E) Cambrian, Ordovician
10. Which mountain range began forming during the Cenozoic?
A) Alps
B) Andes
C) Himalayas
D) Rockies
E) All of the above
11. What climate trend generally characterized much of the Cenozoic?
A) Constant warmth
B) Warming followed by a massive ice age
C) Gradual cooling
D) Volcanic overheating
E) No significant change
12. The Neogene Period includes which epochs?
A) Paleocene, Eocene
B) Miocene, Pliocene
C) Oligocene, Pliocene
D) Holocene, Pleistocene
E) Jurassic, Cretaceous
13. The ice ages primarily occurred during which epoch?
A) Eocene
B) Oligocene
C) Miocene
D) Pleistocene
E) Pliocene
14. What major evolutionary development occurred in the Cenozoic Era?
A) First land plants
B) Dominance of dinosaurs
C) Flowering plants diversified
D) Development of shells
E) First vertebrates
15. What distinguishes mammals from reptiles in the fossil record of the Cenozoic?
A) Cold-blooded traits
B) Feathered skeletons
C) Presence of fur and warm-bloodedness
D) Lack of limbs
E) Shells and scales
16. Which primate group includes humans and their closest relatives?
A) Prosimians
B) Monotremes
C) Marsupials
D) Hominoids
E) Rodents
17. During which epoch did the genus Homo first appear?
A) Pliocene
B) Miocene
C) Eocene
D) Pleistocene
E) Holocene
18. Which of the following events did not occur in the Cenozoic Era?
A) Formation of the Himalayas
B) Ice age glaciation
C) Rise of modern mammals
D) Dominance of dinosaurs
E) Evolution of humans
19. Which of the following animals is considered a hallmark of the Cenozoic Era?
A) Trilobite
B) Tyrannosaurus rex
C) Woolly mammoth
D) Pterosaur
E) Stegosaurus
20. Which major tectonic event occurred during the Cenozoic that helped shape Earth’s climate and geography?
A) Breaking of Pangaea
B) Formation of Rodinia
C) Uplift of the Himalayas
D) Formation of Gondwana
E) Opening of the Tethys Sea
Answer Key
1. C
2. D
3. C
4. D
5. D
6. D
7. B
8. C
9. B
10. E
11. C
12. B
13. D
14. C
15. C
16. D
17. A
18. D
19. C
20. C
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