NUTRITION
LIPIDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?
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Type of plant
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Water, apple juice, milk
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Plant growth
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None of the above
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Explanation:
Detailed explanation-1: -Independent variable: amount of sunlight. Dependent variable: growth of plant. Controlled variables: type of plant (genetic makeup), number of seeds, availability of water, time.
Detailed explanation-2: -The plant-growth experiment is an example of a factorial experiment. A factorial experiment consists of several factors (seed, water) which are set at different levels, and a response variable (plant height).
Detailed explanation-3: -When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water.
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