Dinosaurs quiz

More questions about Dinosaurs

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1. 1 Easy

   Where are most dinosaur fossils typically found today?

   Answer: Sedimentary rock

   Why: Sediment covers a body before scavengers can scatter it, then hardens at temperatures far too low to bake the bone away.

2. 2 Medium

   Which greenhouse gas did giant sauropods produce in massive quantities through digestion?

   Answer: Methane

   Why: Herds of giant sauropods fermented plants in their vast guts and belched out so much methane that they may have helped warm the entire prehistoric climate.

3. 3 Hard

   Which dinosaur is credited with having the smallest brain relative to size?

   Answer: Stegosaurus

   Why: Its brain weighed only about 80 grams in a body of over 4.5 tonnes, one of the lowest brain to body ratios known for any dinosaur.

4. 4 Easy

   What caused the mass extinction of dinosaurs during the Cretaceous period?

   Answer: Large asteroid impact

   Why: Oil company geophysicists found the buried 180 kilometre ring in 1978 with magnetic and gravity surveys, and it took a decade more to tie it to the extinction.

5. 5 Medium

   What does the name Deinonychus literally translate to?

   Answer: Terrible claw

   Why: Ostrom's 1969 description sparked the dinosaur renaissance; robot tests later showed the sickle claw gripped and punctured rather than slashed.

6. 6 Hard

   What color pattern was discovered on the feathered dinosaur Anchiornis?

   Answer: Black, white, and red

   Why: Melanosome shapes in a 2010 Science study gave Anchiornis grey, black and white plumage, a rufous crest and a speckled face.