Question #6422535Single Choice

Biology

Question

A scientist wants to test the effect of different amounts of sunlight on the growth of tomato plants. She plants three groups of tomato plants and exposes them to different amounts of sunlight: Group A receives 4 hours of sunlight per day, Group B receives 8 hours per day, and Group C receives 12 hours per day. All other conditions, such as water and soil type, are kept the same. After 4 weeks, she measures the height of the plants.

Which of the following is the best hypothesis for the experiment ?

Options

"Tomato plants need soil and water to grow."

"Increasing the amount of sunlight will increase the height of tomato plants."

"Tomato plants grow faster when the soil is fertilized."

"Plants exposed to 8 hours of sunlight will have the same height as those exposed to 12 hours."

Answer & Analysis

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