Question #6422540Single Choice

Biology

Question

A researcher wants to test if a new fertilizer increases the growth rate of corn plants. She divides the plants into two groups: one group receives the new fertilizer, while the other group does not. Both groups receive the same amount of water, sunlight, and are planted in the same type of soil.

What is the primary purpose of having a group that does not receive the fertilizer?

Options

To measure the growth rate of corn in ideal conditions

To serve as a control group for comparison

To ensure the corn plants receive enough sunlight

To test the effect of water on the plants

Answer & Analysis

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