HSA 2008 Biology Item 21
- CID
- CID8f844a6e79fadd158d253d9ae2b3df75
- itemNum
- 21
- initialLetter
- A
- itemType
- SR
- itemAnswerKey
- 2
- itemMaxScorePoints
- 1
- origNum
- 65
A group of students conducted an experiment to study the growth of bean plants. An equal number of bean plants of similar size were planted in containers A and B. Each day for five days, Container A received water only, while Container B received an equal amount of weak fertilizer solution. The table below shows the average height of the plants in each container for each day of the experiment.
Which of these is being tested in this experiment?
- effect of water on plant height
- effect of fertilizer on plant height
- maximum height the plants will grow
- number of days the plants will grow