SuperQuiz / Haan Ya Na / Plants
Plants quiz
Trees, flowers and the surprising science of plants.
45 questionsPick the right answerFact-checked Nov 2026
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What is the tallest tree in the world?
Banyan Tree · Coast Redwood · Coconut Tree · Mango Tree
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Coast Redwood
The tallest known tree, a Coast Redwood named Hyperion, stands about 116 meters (380 feet) tall.
Arbor Day, a holiday to plant and care for trees, started in the US. When and where was it first observed?
Nebraska US, 10th April 1872 · Sevilla Spain, 5th June 1868 · Volos Greece, 12th Aug 1930 · Berlin Germany, 10th Feb 1999
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Nebraska US, 10th April 1872
On the first Arbor Day, about one million trees were planted.
In the 1600s which flower was valued higher than gold?
Rose · Tulips · Orchid · Lily
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Tulips
In the 1600s the recently introduced Tulip flowers in Holland were so valuable that their bulbs were often worth more than gold.
Which of the following food items is produced from plants?
Cheese · Potatoes · Cream · Prawn
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Potatoes
Potatoes are about 80% water. They were first farmed in the Andes of Peru and Bolivia around 8,000 years ago.
Of the following plants, which leaves are cooked and eaten?
Tomatoes · Potatoes · Spinach · Ginger
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Spinach
Spinach is a cool season crop and belongs to goosefoot family along with Swiss chard and beets.
What portion of its plant is the coffee?
Dried Leaves · Dried Roots · Dried Seeds · Dried Stems
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Dried Seeds
Coffee 'beans' are actually the roasted seeds of a cherry-like fruit.
A seed with two seed leaves is called what?
Damaged Seed · Monocot · Soaked Seed · Dicot Seed
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Dicot Seed
The most important difference between the monocots and dicots is the number of embryonic leaves or cotyledons.
Plants that need clayey soil to grow well are which of the following?
Wheat and Gram · Rice and Jute · Jowar and Bajra · Tea and Coffee
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Rice and Jute
Jute is mostly grown for its fibre, but its leaves are also cooked as a vegetable in many countries.
Which part of the plant transports water to the rest of the plant?
Root · Flower · Xylem · None of the above
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Xylem
A stem is one of two main structural axes of a vascular plant.
Plants get carbon dioxide from what of the following?
Soil · Sand · Leaves · Air
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Air
Plants use the energy from sunlight to convert carbon dioxide and water into sugar.
What plants have spines instead of leaves?
Orchids · Redwood Trees · Saguaro Cactus · Algae
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Saguaro Cactus
It has a large capacity to store water. During the rainfall in the desert, it can soak up to 200 gallons of water.
Which of these fruits are consumed most by humans?
Tomato · Apple · Mango · Banana
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Tomato
Tomatoes were first domesticated in Mesoamerica and reached Europe in the 1500s.
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