Botany Trivia Questions
Total Questions: 216
Which guacamole ingredient is also a member of the laurel family along with cinnamon and sassafras?
Medium
Click to reveal answer
avocado
What are stacked close together on the stem of a cabbage plant due to its very short internodes?
Medium
Click to reveal answer
leaves
What type of tree includes groups such as white, bristlecone, and pinon?
Medium
Click to reveal answer
pine
What bog fruit's name is derived from it growing where cranes lived?
Medium
Click to reveal answer
cranberries
On which part of the cotton plant do fibers grow, which are then separated by a gin?
Medium
Click to reveal answer
seed
What does palynology study to gain insights into past plant distribution?
Medium
Click to reveal answer
pollen
Which fruit tree's Japanese varieties are cultivated exclusively for their ornamental value?
Medium
Click to reveal answer
cherry
Which type of berry has a red variant that grows on erect canes and a black variant that grows on arching canes?
Medium
Click to reveal answer
raspberry
Which tree bears winged pairs of seeds that often resemble an airplane propeller?
Medium
Click to reveal answer
maple
What fruit plant is affected by Panama disease and is widespread in Central & South America?
Medium
Click to reveal answer
banana
What tree produces a comma-shaped nut and a gum used in varnishes?
Medium
Click to reveal answer
cashew
What are the most primitive chlorophyll-containing plants that serve as the main plant life in both seawater and freshwater?
Medium
Click to reveal answer
algae
Which large hardy perennial has bloom forms known as spoon, quill, and pompon?
Hard
Click to reveal answer
chrysanthemum
In what field of science did Luther Burbank specialize, focusing on the cultivation of plants and flowers?
Hard
Click to reveal answer
horticulture
What is the most popular variety of orange in the U.S., named after a region on the Mediterranean?
Hard
Click to reveal answer
valencia
What type of location is famous for its lily's fragrance and bell-shaped flowers?
Hard
Click to reveal answer
valley
What is the male organ of a flower that consists of a filament and an anther and can vary in number from zero to hundreds?
Hard
Click to reveal answer
stamen
Which flower is named after German botanist J.G. Zinn and is also used as a feminine first name?
Hard
Click to reveal answer
zinnia
What are the leaves that enclose and protect an ear of corn called?
Hard
Click to reveal answer
husk
Which plant, known for its linen-producing bast fibers, is derived from the stems and listed alongside jute and ramie?
Hard
Click to reveal answer
flax
What primary color does the flower of the forget-me-not come in, aside from white and pink?
Hard
Click to reveal answer
blue
What type of tree, known for its slippery inner bark, was traditionally used to ease throat ailments?
Hard
Click to reveal answer
elm
In biology, what male organ must a flower have, along with pistils, to be considered perfect?
Hard
Click to reveal answer
stamen
What propagation method allows you to grow multiple types of fruit on a single tree?
Hard
Click to reveal answer
grafting
What is the term for the short, swollen part of a stem that grows underground, exemplified by the potato?
Hard
Click to reveal answer
tuber
What type of tree is the bristlecone found in California's White Mountains, which may be the oldest living thing on Earth?
Hard
Click to reveal answer
pine
What giant Arizona cactus has stems that serve as nesting sites for elf owls and woodpeckers?
Hard
Click to reveal answer
saguaro
What plant is used to give beer its pleasantly bitter taste and is also valued by herbalists as a sedative?
Hard
Click to reveal answer
hops
What substance can a halophyte tolerate in large amounts within the soil?
Hard
Click to reveal answer
salt
How many leaves are present in each cluster of poison ivy?
Hard
Click to reveal answer
3
Which red berry is believed to be a hybrid along with the blackberry to create loganberries?
Hard
Click to reveal answer
raspberry
Which substance forms in scales on the leaves of the carnauba palm?
Hard
Click to reveal answer
wax
What plant, scientifically known as Saccharum officinarum, is cultivated for producing a sweet substance?
Hard
Click to reveal answer
sugarcane
What type of plant is known by the botanical name Adiantum and is commonly referred to as maidenhair?
Hard
Click to reveal answer
fern
Desert plants are known as halophytic because they are tolerant of what substance?
Hard
Click to reveal answer
salt
What type of flowers include miniature varieties such as the Starina and the Baby Betsy McCall?
Hard
Click to reveal answer
rose
What colorful violet has earned the nickname 'flower with a face'?
Hard
Click to reveal answer
pansy
What is the term for the swollen part of a stem that grows underground, exemplified by the potato?
Hard
Click to reveal answer
tuber
What is the state flower of Kansas that is believed to have originated in South America?
Hard
Click to reveal answer
sunflower
What botanical category does a peanut belong to, like a soybean?
Hard
Click to reveal answer
legume
What is the name of the fiber-producing plant that includes species such as American upland and Egyptian?
Hard
Click to reveal answer
cotton
To which plant genus, whose name translates to 'rose tree', do azaleas belong?
Hard
Click to reveal answer
rhododendron
What is the common name for the passiflora caerulea, a good plant for bright windowsills?
Hard
Click to reveal answer
passion flower
To which 'colorful' family of flowering plants do carnations and sweet Williams belong?
Hard
Click to reveal answer
pink
What type of plant is Trifolium repens, also known as the original Irish shamrock?
Hard
Click to reveal answer
clover
What swamp tree, often referred to as 'bald,' is the state tree of Louisiana?
Hard
Click to reveal answer
cypress
What river is the African lily also known as the 'lily of'?
Hard
Click to reveal answer
nile
What Japanese art involves dwarfing evergreens and fruit trees?
Hard
Click to reveal answer
bonsai
Which popular trellis plant is named after the anatomist Caspar Wistar?
Hard
Click to reveal answer
wisteria
What term is used for a plant part that is imperfect when it lacks either stamens or a pistil?
Hard
Click to reveal answer
flower
From which flower, whose name is Latin for 'saffron,' is saffron derived?
Hard
Click to reveal answer
crocus
What is the state tree of Texas, which bears a nutty fruit that Georgia leads in producing?
Hard
Click to reveal answer
pecan
What are the airborne grains from trees, grass, or weeds that may cause hay fever attacks?
Hard
Click to reveal answer
pollen
Which flowery shrub is named after George Joseph Camel, a Moravian Jesuit missionary?
Hard
Click to reveal answer
camellia
What tree produces nuts that are sometimes picked green for pickling and come in black and English varieties?
Very Hard
Click to reveal answer
walnut
What tree, which can grow to over 100 feet, can you get by changing one letter in the name of the shrub elder, which may reach 20 feet?
Very Hard
Click to reveal answer
alder
What flower, known as the symbol of Japan, includes types such as Spider, Irregular Incurve, and Pompon?
Very Hard
Click to reveal answer
chrysanthemum
What is the correct classification of Iceland moss, which is a symbiotic relationship between a fungus and an alga?
Very Hard
Click to reveal answer
lichen
To which evergreen family does the Douglas fir belong if it is not a true fir?
Very Hard
Click to reveal answer
pine
What nut-bearing tree is known as the largest of the hickories and is popular in the South?
Very Hard
Click to reveal answer
pecan