Plant Biology Quiz

Try out this Plant Biology quiz to test your knowledge. Plant Biology trivia invites readers into the science of plants, from the cellular machinery of photosynthesis to the evolution of roots, leaves, and flowers.

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15 questions

~3 min to finish

Easy to hard difficulty

510 pts max score

Question 1 · Hard · 40 pts
What is the name of the barrier in roots that makes water and dissolved substances cross cell membranes before they can enter the vascular cylinder?
Question 2 · Hard · 40 pts
Which scientist is most closely linked with mapping the light-independent carbon-fixation pathway now known as the Calvin cycle?
Question 3 · Hard · 40 pts
Who demonstrated that green parts of plants, when exposed to light, can release oxygen?
Question 4 · Hard · 40 pts
Which early investigator is noted here for helping establish the detailed study of plant internal structure?
Question 5 · Hard · 40 pts
What two kinds of seasonal or environmental information are said to interact in controlling flowering time?
Question 6 · Hard · 40 pts
Which researcher helped show that auxin from shoot tips can stimulate stem elongation?
Question 7 · Hard · 40 pts
Which scientist investigated plant responses using highly sensitive instruments?
Question 8 · Hard · 40 pts
What is the proposed long-distance flowering signal said to move from leaves to shoot apices?
Question 9 · Hard · 40 pts
If a viable seed remains inactive until conditions improve, what state is it in?
Question 10 · Hard · 40 pts
What term describes the process that spreads offspring away from the parent plant?
Question 11 · Hard · 40 pts
Which kind of growth makes roots and shoots longer rather than thicker?
Question 12 · Hard · 40 pts
In many plants, what process increases the thickness of stems and roots?
Question 13 · Easy · 10 pts
What green pigment captures light for photosynthesis in plants?
Question 14 · Easy · 10 pts
What substance is a major structural component of plant cell walls?
Question 15 · Easy · 10 pts
What is the name for the loss of water vapor from plant surfaces, mainly leaves?

What is the name of the barrier in roots that makes water and dissolved substances cross cell membranes before they can enter the vascular cylinder?

Which scientist is most closely linked with mapping the light-independent carbon-fixation pathway now known as the Calvin cycle?

Who demonstrated that green parts of plants, when exposed to light, can release oxygen?

Which early investigator is noted here for helping establish the detailed study of plant internal structure?

What two kinds of seasonal or environmental information are said to interact in controlling flowering time?

Which researcher helped show that auxin from shoot tips can stimulate stem elongation?

Which scientist investigated plant responses using highly sensitive instruments?

What is the proposed long-distance flowering signal said to move from leaves to shoot apices?

If a viable seed remains inactive until conditions improve, what state is it in?

What term describes the process that spreads offspring away from the parent plant?

Which kind of growth makes roots and shoots longer rather than thicker?

In many plants, what process increases the thickness of stems and roots?

What green pigment captures light for photosynthesis in plants?

What substance is a major structural component of plant cell walls?

What is the name for the loss of water vapor from plant surfaces, mainly leaves?