Plant Kingdom Facts
Instructions: Fascinating facts about plants and trees
- 1.
What is the tallest species of tree in the world?
ADouglas firBGiant sequoiaCSitka spruceDCoast redwood - 2.
Which plant is known for having the largest flower in the world?
ARafflesia arnoldiiBTitan arumCSunflowerDVictoria water lily - 3.
Approximately how old is the oldest known living tree, a bristlecone pine named Methuselah?
AAbout 6,000 yearsBAbout 4,850 yearsCAbout 3,000 yearsDAbout 2,000 years - 4.
What gas do plants primarily absorb from the atmosphere during photosynthesis?
ANitrogenBOxygenCHydrogenDCarbon dioxide - 5.
Which tree produces acorns?
AOakBMapleCBirchDElm - 6.
What is the fastest-growing plant on Earth?
AKudzuBBambooCDuckweedDGiant kelp - 7.
Which pigment gives most plants their green color?
AXanthophyllBCarotenoidCAnthocyaninDChlorophyll - 8.
The Venus flytrap is native to which region?
ASoutheast AsiaBAmazon rainforestCCentral AfricaDCoastal Carolinas, USA - 9.
What is the world's largest living organism by area?
AA grove of aspen treesBA giant sequoia treeCA blue whaleDA honey fungus colony - 10.
Which spice comes from the bark of a tree?
ATurmericBCardamomCBlack pepperDCinnamon - 11.
How do trees in a forest communicate with each other?
AThrough root contact onlyBThrough sound vibrationsCThrough airborne pollenDThrough underground fungal networks - 12.
What type of plant is saffron, the world's most expensive spice, derived from?
AAn orchidBA crocusCA roseDA lily - 13.
Which fruit was the first to be grown on the International Space Station?
AStrawberryBRed romaine lettuceCZinnia flowerDTomato - 14.
What is the primary reason leaves change color in autumn?
AChlorophyll breaks down, revealing other pigmentsBLeaves produce new red and orange pigments onlyCCold temperatures kill the leavesDTrees absorb the green pigment back - 15.
Which common houseplant is known for being nearly impossible to kill and can survive weeks without water?
APeace lilyBAfrican violetCBoston fernDSnake plant