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Gardening & Plants General Knowledge #2

Can you answer these questions that relate to horticulture?
Quiz by Kestrana
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Last updated: May 16, 2015
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First submittedFebruary 5, 2015
Times taken287
Average score50.0%
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Hint
Answer
What is the most popular fruit in America?
Banana
What fruit has the most calories?
Avocado
What spiny plant family is eggplant part of?
Thistle
What US state produces nearly 80% of the world's olives?
California
What is the name for the technique of growing plants without soil?
Hydroponics
What flower's bulbs were once used as currency?
Tulip
Around what age do oak trees begin dropping acorns?
50
What flower has the smallest seeds?
Orchid
What tree is the largest living organism in the world?
California Redwood
What fruit was a symbol of welcome in the 18th century?
Pineapple
What flower family also includes plums, apples, pears, peaches and almonds?
Rose
What Asian plant is the world's tallest grass?
Bamboo
What is the world's most widely cultivated crop?
Wheat
How many years does a coffee plant need to mature before bearing consumable fruit?
5
What color rose specifically symbolizes desire?
Orange
Queen Anne's Lace is a wild form of what vegetable?
Carrot
What plant did Charles Darwin describe as "the most wondrous plant in the world"?
Venus Flytrap
What is the name of the female reproductive organ of a flower?
Pistil
What part of a tree is used to make cork?
Bark
What type of cereal is grown in water?
Rice
What do you call a tree or hedge clipped into a specific shape?
Topiary
What is the sacred flower of Buddhism?
Lotus
ander217
+2
Level 75
May 26, 2015
Eggplants are in the nightshade or Solanaceae family. Artichokes, lettuce and thistles are in the Asteraceae or sunflower family.
Kestrana
+1
Level 60
May 26, 2015
Can you provide a source for that information and your other comment?
andiemoon
+1
Level 26
May 18, 2018
Ander217 is correct, eggplants (and tomatoes, potatoes, tobacco, etc.) are in the nightshade family:

https://en.wikipedia.org/wiki/Solanaceae

Eggplant -

Kingdom: Plantae

(unranked): Angiosperms

(unranked): Eudicots

(unranked): Asterids

Order: Solanales

Family: Solanaceae

Genus: Solanum

Species: S. melongena

Also, I missed the largest living organism question because I guessed Aspen - technically, most aspen forests are only one organism, the tree shoots off clones of itself through it's roots, so it's generally recognized as the largest living organism.

Great quiz though!

jen990
+1
Level 67
Mar 15, 2020
I concur with the above comments.

Eggplants are in the nightshade family

https://plants.usda.gov/java/ClassificationServlet?source=display&classid=SOME

Thistle is in the composite or "daisy" family.

https://plants.usda.gov/java/ClassificationServlet?source=profile&symbol=CIAR4&display=31

Eggplants and thistles are both in the subclass Asteridae but that is pretty far away from being in the same family.

The largest organism also confused me... I tried aspen (Google "Pando quaking aspen" for more info). There is also a fungus (Armillaria ostoyae) that grows pretty huge.

Overall a fun quiz - it definitely challenged me!

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