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Class 10 Science Medium Mcq English Medium

In the chapter's example of tallness in plants, plant height is said to depend most directly on

Question
In the chapter's example of tallness in plants, plant height is said to depend most directly on
the amount of a particular plant hormone that triggers growth
the colour of the plant's leaves
the number of flowers produced
the size of the plant's root system alone
Answer
the amount of a particular plant hormone that triggers growth
Detailed Explanation
The chapter explains that plants have hormones that trigger growth, and plant height depends on the amount of this particular growth hormone.
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