8 plant trivia questions, from easy to hard. Tap a question to see the answer. They're real questions from Rubicon, where you type the answer yourself and an AI judge reads what you meant.
This set covers Carnivorous & Parasitic Plants, Desert & Drought Plants, Flowers, Pollination & Seed Dispersal, Fungi & Their World, Mosses, Ferns & Non-flowering Plants, Plant Defense & Communication and Trees & Forests.
Butterwort leaves secrete sticky fluid droplets that trap insects like flypaper upon contact.
The saguaro's deep vertical pleats unfold like an accordion, allowing its outer layer to stretch without tearing.
Burrs have tiny, stiff curved hooks at the ends of their spines that grasp flexible loops.
They are continuous folds of the cap surface rather than distinct, separate blades attached underneath the mushroom.
Caterpillar saliva chemicals trigger the plant's specific chemical defense response.
The northern hemisphere contains massive, unbroken landmasses at subarctic latitudes where continuous forests can expand uninterrupted by major oceans.
The ferns drew down huge amounts of atmospheric carbon dioxide, then sank to the stagnant seabed where they could not decay.
Landlocked geography and heavy river runoff created an isolated, buoyant freshwater surface layer floating atop denser stagnant saltwater.
Reading the answer is the easy part. Here are three more plant questions, with no options to pick from. You type what you know, and the judge marks what you meant, typos and all.
No account needed.