The 10 quiz questions
Question 1 : What is the tallest tree in the world?
Possible answers:
- The baobab
- The oak
- The sequoia
- The eucalyptus
Explanation: The coast redwood (Sequoia sempervirens) can exceed 115 meters. The tallest known tree, Hyperion, measures 115.92 m.
Question 2 : Which iconic African tree can store up to 120,000 liters of water in its trunk?
Possible answers:
- The fig tree
- The baobab
- The palm tree
- The acacia
Explanation: The baobab (Adansonia) is nicknamed "the bottle tree" for its ability to store water in its massive trunk during dry periods.
Question 3 : Which Japanese tree is famous for its pink spring blossoms?
Possible answers:
- The maple
- The ginkgo
- The cherry tree
- The plum tree
Explanation: The Japanese cherry (Sakura) is revered in Japan where the blooming (Hanami) is celebrated annually as a major cultural event.
Question 4 : Which tree is considered one of the oldest in the world, at nearly 5,000 years old?
Possible answers:
- The oak
- The Bristlecone pine
- The giant sequoia
- The olive tree
Explanation: The Bristlecone pine (Pinus longaeva) named Methuselah is about 4,850 years old according to official dendrochronological dating. Another unnamed specimen measured in 2012 would exceed 5,000 years but this result is debated. These pines grow in California's White Mountains at 3,000 m altitude.
Question 5 : From which tree does maple syrup come?
Possible answers:
- The ash
- The birch
- The sugar maple
- The linden
Explanation: Maple syrup is produced from the sap of the sugar maple (Acer saccharum), mainly in Canada and the northeastern United States.
Question 6 : Which tree nicknamed "the forty-crown tree" is considered a living fossil?
Possible answers:
- The ginkgo biloba
- The araucaria
- The cycad
- The metasequoia
Explanation: The ginkgo biloba has existed for 270 million years and survived the dinosaurs. Its nickname comes from the high price paid for the first specimens in Europe.
Question 7 : Which Mediterranean tree produces olives?
Possible answers:
- The olive tree
- The almond tree
- The lemon tree
- The fig tree
Explanation: The olive tree has been cultivated since antiquity around the Mediterranean. Some olive trees are over 2,000 years old!
Question 8 : Which tropical tree can have aerial roots that form additional trunks?
Possible answers:
- The bamboo
- The kapok tree
- The mangrove
- The banyan
Explanation: The banyan (Ficus benghalensis) develops aerial roots that become trunks, allowing a single tree to cover several hectares.
Question 9 : From which tree is cork extracted?
Possible answers:
- The cork oak
- The chestnut
- The beech
- The plane tree
Explanation: The cork oak (Quercus suber) produces thick bark harvested every 9 years without felling the tree. Portugal is the leading producer.
Question 10 : Which conifer loses its needles in winter unlike the others?
Possible answers:
- The fir
- The spruce
- The pine
- The larch
Explanation: The larch is one of the few deciduous conifers, losing its golden needles each autumn.




