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Question

Which is true about the relative and absolute growth of these two leaves?

  1. Absolute growth of leaf A is higher than leaf B
    Relative growth of both leaves are the same
  2. Absolute growth of both leaves are the same
    Relative growth of leaf A is higher than leaf B
  3. Absolute growth of leaf B is higher than leaf A
    Relative growth of both leaves are the same
  4. Absolute growth of both leaves are the same
    Relative growth of leaf B is higher than leaf A


Solution

The correct option is B Absolute growth of both leaves are the same
Relative growth of leaf A is higher than leaf B
Absolute growth rate is the total growth per unit time. Here, absolute growth rate for both leaves is 5 square centimeters per given time.
Relative growth is the rate of growth with respect to the initial size. Here, relative growth rate for leaf A is higher as its surface area increased by 100% while surface area of leaf B increased by only 10%.
 

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