Les 10 questions du quiz
Question 1 : What is the tallest tree in the world?
Réponses possibles :
- The baobab
- The oak
- The sequoia
- The eucalyptus
Explication : 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?
Réponses possibles :
- The fig tree
- The baobab
- The palm tree
- The acacia
Explication : 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?
Réponses possibles :
- The maple
- The ginkgo
- The cherry tree
- The plum tree
Explication : 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 the oldest in the world at over 5,000 years old?
Réponses possibles :
- The oak
- The Bristlecone pine
- The giant sequoia
- The olive tree
Explication : The Bristlecone pine (Pinus longaeva) named Methuselah is about 4,850 years old, but other specimens exceed 5,000 years.
Question 5 : From which tree does maple syrup come?
Réponses possibles :
- The ash
- The birch
- The sugar maple
- The linden
Explication : 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?
Réponses possibles :
- The ginkgo biloba
- The araucaria
- The cycad
- The metasequoia
Explication : 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 tree produces olives?
Réponses possibles :
- The fig tree
- The olive tree
- The almond tree
- The lemon tree
Explication : The olive tree (Olea europaea) has been cultivated since antiquity in the Mediterranean basin for its fruit and oil.
Question 8 : Which tropical tree can have aerial roots that form additional trunks?
Réponses possibles :
- The bamboo
- The kapok tree
- The mangrove
- The banyan
Explication : 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?
Réponses possibles :
- The cork oak
- The chestnut
- The beech
- The plane tree
Explication : 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?
Réponses possibles :
- The fir
- The spruce
- The pine
- The larch
Explication : The larch is one of the few deciduous conifers, losing its golden needles each autumn.




