Plant Biology Quizzes

Think you’ve got your head wrapped around Plant Biology? Put your knowledge to the test. Good luck — the Stickman is counting on you!
Q. Roots are important to plants for which reasons?


Performing photosynthesis
Providing instructions for plant reproduction
Producing axillary buds, which grow into lateral branches
Storing sugars
Anchoring the plant, absorbing water and nutrients, and sugar storage
Q. Sporophytes are the dominant generation in all types of plants except:


Bryophtyes
Ferns
Gymnosperms
Angiosperms
Seed plants
Q. Gymnosperms and angiosperms are pretty similar, because they share all of the following except:


Seeds
Flowers
Roots
Pollen
Shoot apical meristems
Q. Which tissue is involved in the transport of water in plants?


Epidermis
Root hair
Xylem
Phloem
Ground tissue
Q. Of the two types of cells involved in water transport, which occurs only in angiosperms?


Tracheids
Vessel elements
Stomata
Chloroplasts
Sieve elements
Q. Primary cells/tissues come directly from what plant part? (Hint: it is a zone of high cell division activity.)


Cork cambium
Vascular cambium
The grocery store
Axillary buds
Apical meristem
Q. If a short day plant has a critical day length of 11 hours, which 24-hour cycle would prevent flowering?


10 hours light/14 hours dark
12 hours light/12 hours dark
9 hours light/15 hours dark
11 hours light/13 hours dark
8 hours light/16 hours dark
Q. The ratio of which two hormones determines shoot vs. root development?


auxin and gibberellins
gibberellin and ethylene
cytokinins and auxin
ethylene and abscisic acid
auxins and gibberellins
Q. What are the male floral parts called?


Sepals
Petals
Carpels
Stamens
Stigmas
Q. Water potential’s two components are:


solute potential and pressure potential
solute potential and hydrostatic potential
pressure potential and potential energy
cohesion and adhesion
kinetic and potential energy