Botany 220 Midterm Exam Questions and
Answers with Verified Solutions | Latest
Updated 2026
What traits define plants? Multicellular eukaryotes that
photosynthesize and
have form and function.
Why is the activity of plants vital Produce oxygen, provide
for food/medicine/energy,
life? advance science.
How do scientists maximize plant Fertilizers, pesticides, hydroponics, GMOs,
growth? selective breeding, gene insertion.
Most pressing issues facing plant Climate stress, fungi, energy-intensive
productivity? agriculture.
How do plants shape the Regulate CO2, photosynthesis, provide
biosphere? habitats.
Why is altering plant genetics Plants lack an immune system.
easier
than animals?
What is selective breeding? Choosing beneficial traits for survival.
, Plant evolution order Green algae to flowering plants.
What creates synthetic fertilizer? Haber-Bosch process.
Three ways to improve plant Local production, reduce waste,
production hydroponics.
What is continuous data? Data with infinite possible values.
Continuous data pros/cons Precise but easy to misuse.
Categorical data pros/cons Simple but subjective.
Count data pros/cons Useful but error-prone.
What are nuisance factors? Uncontrolled variables affecting results.
Why grind seeds? Increase surface area and efficiency.
Plant used in experiment Henbane.
If you cannot control a variable? Use randomized block design.
Experiments vs observations Controlled vs uncontrolled.
Answers with Verified Solutions | Latest
Updated 2026
What traits define plants? Multicellular eukaryotes that
photosynthesize and
have form and function.
Why is the activity of plants vital Produce oxygen, provide
for food/medicine/energy,
life? advance science.
How do scientists maximize plant Fertilizers, pesticides, hydroponics, GMOs,
growth? selective breeding, gene insertion.
Most pressing issues facing plant Climate stress, fungi, energy-intensive
productivity? agriculture.
How do plants shape the Regulate CO2, photosynthesis, provide
biosphere? habitats.
Why is altering plant genetics Plants lack an immune system.
easier
than animals?
What is selective breeding? Choosing beneficial traits for survival.
, Plant evolution order Green algae to flowering plants.
What creates synthetic fertilizer? Haber-Bosch process.
Three ways to improve plant Local production, reduce waste,
production hydroponics.
What is continuous data? Data with infinite possible values.
Continuous data pros/cons Precise but easy to misuse.
Categorical data pros/cons Simple but subjective.
Count data pros/cons Useful but error-prone.
What are nuisance factors? Uncontrolled variables affecting results.
Why grind seeds? Increase surface area and efficiency.
Plant used in experiment Henbane.
If you cannot control a variable? Use randomized block design.
Experiments vs observations Controlled vs uncontrolled.
