50 Plant Quiz Questions and Answers

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Round 1: Easy Plant Trivia Questions

1. What is the term for a tree that keeps its leaves year-round?
2. Which aromatic purple flower is used to treat health complaints from insomnia to chronic pain?
3. What colour are the flowers on baby’s breath?
4. What do succulent plants store in their leaves?
5. What is the main kind of fruit produced by palm trees?
6. Every year, millions of tourists visit the Keukenhof gardens to marvel at fields of what kind of flower?
7. What kind of succulent plant is often used to treat sunburn?
8. Which continent is corn native to?
9. What colour are ripe elderberries?
10. The biggest rainforest in the world, the Amazon, is located mainly in which country?

Round 1: Easy Plant Trivia Questions and Answers

1. What is the term for a tree that keeps its leaves year-round? Evergreen
2. Which aromatic purple flower is used to treat health complaints from insomnia to chronic pain? Lavender
3. What colour are the flowers on baby’s breath? White
4. What do succulent plants store in their leaves? Water
5. What is the main kind of fruit produced by palm trees? Coconut
6. Every year, millions of tourists visit the Keukenhof gardens to marvel at fields of what kind of flower? Tulips
7. What kind of succulent plant is often used to treat sunburn? Aloe Vera
8. Which continent is corn native to? North America
9. What colour are ripe elderberries? Purple
10. The biggest rainforest in the world, the Amazon, is located mainly in which country? Brazil

Round 2: Plant Multiple-Choice Questions

1. Which of the following flowers is toxic to humans?
   1. Roses
   2. Orchids
   3. Petunia
   4. Lilies
2. What is monstera deliciosa better known as?
   1. Parmesan plant
   2. Mozzarella plant
   3. Cheddar plant
   4. Swiss cheese plant
3. Which of the following fruits does not grow on a vine?
   1. Plums 
   2. Kiwis
   3. Bananas
   4. Figs
4. How did Amorphophallus Titanum get the nickname ‘Corpse Flower’?
   1. It looks like a corpse
   2. It smells like a corpse
   3. It secretes blood-red sap
   4. It’s extremely toxic
5. Which of the following cannot be made from hemp?
   1. Soap
   2. Plastics
   3. Textiles
   4. Insulation
6. Taro grows…
   1. On a tree
   2. On a vine
   3. Underground
   4. On water
7. What continent are sunflowers native to?
   1. North America
   2. South America
   3. Europe
   4. Africa
8. What is the largest family of flowering plants, counting more than 25 thousand species?
   1. Daisies
   2. Orchids
   3. Begonias
   4. Lilies
9. What percentage of American households have at least one houseplant?
   1. 26%
   2. 46%
   3. 66%
   4. 86%
10. Which country has the most trees in the world?
    1. Brazil
    2. Russia
    3. Canada
    4. DR Congo

Round 2: Plant Multiple-Choice Questions and Answers

1. Which of the following flowers is toxic to humans? D. Lilies
2. What is monstera deliciosa better known as? D. Swiss cheese plant
3. Which of the following fruits does not grow on a vine? C. Bananas 
4. How did Amorphophallus Titanum get the nickname ‘Corpse Flower’? B. it smells like a corpse
5. Which of the following cannot be made from hemp? A. Soap
6. Taro grows… c. Underground
7. What continent are sunflowers native to? A. North America
8. What is the largest family of flowering plants, counting more than 25 thousand species? B. Orchids
9. What percentage of American households have at least one houseplant? C. 66%
10. Which country has the most trees in the world? C. Russia

Round 3: Plant Quiz – True or False

1. Garlic is part of the onion family.
2. Pitcher plants, venus fly traps and monkey cups are all examples of carnivorous plants.
3. Grasses make up around 15% of all plant life on Earth.
4. Eucalyptus flowers don’t have petals.
5. Bracken can be found on every continent except Australia and Antarctica.
6. The Bonsai is the smallest species of tree in the world.
7. The jade plant, lucky plant, monkey plant and money plant are all different names for the same species.
8. Fig Leaf Plants were selectively bred from fig trees to be the ideal, low maintenance houseplant.
9. Bamboo is the fastest growing plant on the planet.
10. Bananas, avocados and cucumbers are all technically berries.

Round 3: Plant Quiz Answers – True or False

1. Garlic is part of the onion family. True
2. Pitcher plants, venus fly traps and monkey cups are all examples of carnivorous plants. True
3. Grasses make up around 15% of all plant life on Earth. False, it’s closer to 25%
4. Eucalyptus flowers don’t have petals. True
5. Bracken can be found on every continent except Australia and Antarctica. False, there’s bracken in Australia 
6. The Bonsai is the smallest species of tree in the world. False
7. The jade plant, lucky plant, monkey plant and money plant are all different names for the same species. True
8. Fig Leaf Plants were selectively bred from fig trees to be the ideal, low maintenance houseplant. False
9. Bamboo is the fastest growing plant on the planet. True
10. Bananas, avocados and cucumbers are all technically berries. True

Round 4: Medium Plant Trivia Questions

1. What chemical is responsible for giving many plants their green colour?
2. What is the national flower of England?
3. What is the term for a tree that sheds its leaves each Autumn?
4. Hopheads and lacecaps are types of which flower?
5. What is the term for a plant that lives for more than two years?
6. What kind of nut do oak trees produce?
7. What is the only US state where hibiscus grows natively?
8. What colour are the leaves on the quaking aspen, honey locust and sugar maple?
9. Why are durian fruits banned on public transport in Thailand, Japan, Hong Kong and Singapore?
10. What is the Poaceae family better known as?

Round 4: Medium Plant Trivia Questions and Answers

1. What chemical is responsible for giving many plants their green colour? Chlorophyll
2. What is the national flower of England? Rose
3. What is the term for a tree that sheds its leaves each Autumn? Deciduous 
4. Hopheads and lacecaps are types of which flower? Hydrangeas
5. What is the term for a plant that lives for more than two years? Perennial
6. What kind of nut do oak trees produce? Acorns
7. What is the only US state where hibiscus grows natively? Hawaii
8. What colour are the leaves on the quaking aspen, honey locust and sugar maple? Yellow
9. Why are durian fruits banned on public transport in Thailand, Japan, Hong Kong and Singapore? Because they smell so bad
10. What is the Poaceae family better known as? Grasses

Round 5: Hard Plant Trivia Questions

1. 52% of all flower exports in the world come from which European country?
2. On what kind of plant would you find glochids?
3. What is Helianthus Annuus better known as?
4. What kind of tree features on the Lebanese flag?
5. Which hormone group is responsible for plants growing towards the sun?
6. Which flower’s name comes from the French for ‘Lion’s Teeth’?
7. Which US national park would you travel to if you wanted to visit the tallest tree in the world?
8. Macrophytes are plants that grow around what?
9. Jasmine is closely related to which fruit?
10. What food is produced from the root of zingiber officinale?

Round 5: Hard Plant Trivia Questions and Answers

1. 52% of all flower exports in the world come from which European country? The Netherlands 
2. On what kind of plant would you find glochids? Cactus
3. What is Helianthus Annuus better known as? Sunflower
4. What kind of tree features on the Lebanese flag? Cedar 
5. Which hormone group is responsible for plants growing towards the sun? Auxins
6. Which flower’s name comes from the French for ‘Lion’s Teeth’? Dandelion
7. Which US national park would you travel to if you wanted to visit the tallest tree in the world? The Redwood National Park
8. Macrophytes are plants that grow around what? Water
9. Jasmine is closely related to which fruit? Olive
10. What food is produced from the root of zingiber officinale? Ginger

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