🌿 Science & Nature Trivia
Quiz Set 10 — Plants
Answer all 10 questions. Click an option to see if you got it right!
Question 1 of 10
What is the largest flower in the world?
Rafflesia arnoldii produces the largest individual flower, up to 1 meter across and weighing 11 kg.
Question 2 of 10
What part of the plant absorbs water from the soil?
Roots absorb water and nutrients from the soil through root hairs and osmosis.
Question 3 of 10
What is the process by which water moves up through a plant?
Water moves up through plants via capillary action in xylem vessels, driven by transpiration pull.
Question 4 of 10
What gas do plants absorb during photosynthesis?
Plants absorb carbon dioxide from the atmosphere and use it with water and light to produce glucose and oxygen.
Question 5 of 10
What is the tallest species of tree?
Coast redwoods (Sequoia sempervirens) are the tallest trees, reaching over 115 meters.
Question 6 of 10
What do annual plants complete in one season?
Annual plants germinate, flower, produce seeds, and die within a single growing season.
Question 7 of 10
Which part of a flower produces pollen?
The stamen is the male reproductive organ of a flower, consisting of an anther that produces pollen.
Question 8 of 10
What is the Venus flytrap classified as?
The Venus flytrap is a carnivorous plant that traps and digests insects for nutrients.
Question 9 of 10
What are the tiny pores on leaf surfaces called?
Stomata are microscopic pores on leaves that regulate gas exchange and water loss.
Question 10 of 10
What is the world's oldest known living tree species?
Bristlecone pines in California are over 5,000 years old, the oldest known non-clonal organisms.