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Dinosaurs Trivia Questions and Answers
13 free dinosaurs trivia questions with answers and explanations.
1What does "Tyrannosaurus Rex" mean?
AGiant Lizard King
BGreat Thunder Lizard
CTerrible Lizard
DTyrant Lizard King✓
💡 Explanation: Tyrannosaurus Rex means "Tyrant Lizard King" in Greek and Latin. T-Rex was one of the most powerful carnivores in history.
2Which dinosaur had a sail-like fin on its back?
ABrachiosaurus
BParasaurolophus
CSpinosaurus✓
DStegosaurus
💡 Explanation: Spinosaurus had a large sail-like structure on its back. It was one of the largest dinosaurs, possibly larger than T-Rex.
3Approximately when did dinosaurs go extinct?
A6 million years ago
B16 million years ago
C66 million years ago✓
D166 million years ago
💡 Explanation: Non-avian dinosaurs went extinct approximately 66 million years ago, likely due to an asteroid impact combined with volcanic activity.
4What does the name "Velociraptor" mean?
AFast hunter
BQuick thief
CSwift robber✓
DSpeedy claw
💡 Explanation: Velociraptor means "swift robber" or "swift thief" in Latin. Despite their movie depiction, real velociraptors were about the size of a turkey.
5Which dinosaur had the longest neck?
ADiplodocus
BBrachiosaurus
CMamenchisaurus✓
DSauroposeidon
💡 Explanation: Mamenchisaurus had a neck up to 15 meters long — about half its total body length. It is the dinosaur with the longest neck relative to body size.
6What do we call scientists who study dinosaurs and fossils?
AArchaeologists
BPaleontologists✓
CZoologists
DGeologists
💡 Explanation: Paleontologists study prehistoric life including dinosaurs through the examination of fossils. Archaeology focuses on human history.
7What group of animals are birds most closely related to?
ACrocodilians
BNon-avian dinosaurs✓
CLizards
DMammals
💡 Explanation: Birds are living dinosaurs — they evolved from a group of feathered theropod dinosaurs during the Jurassic period. Technically, birds ARE dinosaurs.
8In what period did T-Rex live?
AJurassic
BTriassic
CCretaceous✓
DPermian
💡 Explanation: T-Rex lived during the late Cretaceous period, about 68–66 million years ago — much later than many other famous dinosaurs like Stegosaurus.
9Which dinosaur is known for the bony plates on its back?
AAnkylosaurus
BPachycephalosaurus
CStegosaurus✓
DIguanodon
💡 Explanation: Stegosaurus is famous for its large bony plates along its back and four tail spikes (thagomizers). The plates may have been used for thermoregulation or display.
10What is the largest dinosaur ever discovered?
AT-Rex
BBrachiosaurus
CPatagotitan mayorum✓
DDiplodocus
💡 Explanation: Patagotitan mayorum, discovered in Argentina in 2014, is currently the largest known dinosaur, weighing an estimated 70 tonnes.
11Were dinosaurs warm-blooded or cold-blooded?
ACold-blooded like reptiles
BWarm-blooded like birds and mammals✓
CVaried by species
DScientists are still unsure
💡 Explanation: Modern research strongly suggests dinosaurs were warm-blooded (endothermic). Birds, which are living dinosaurs, are warm-blooded.
12Which dinosaur had three horns on its head?
AAnkylosaurus
BTriceratops✓
CStegosaurus
DPachycephalosaurus
💡 Explanation: Triceratops had three horns — two large brow horns and a smaller nose horn — plus a large bony frill around its neck.
13What do scientists believe caused the mass extinction of dinosaurs?
AAn asteroid impact
BA global ice age
CVolcanic eruptions
DBoth A and C✓
💡 Explanation: The leading theory is that a massive asteroid impact 66 million years ago, combined with intense volcanic activity, caused the mass extinction event.
About Dinosaurs Trivia Questions
These dinosaurs trivia questions cover a wide range of topics within the dinosaurs category. All questions include four multiple-choice options (A, B, C, D) and a detailed answer explanation to help you understand the topic better.
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