Gce Model Questions Vol1 2017 Agricultural Science Question 29
Practice objective / multiple choice question 29 from the 2017 Gce Model Questions Vol1 Agricultural Science examination.
The diagram shows a cereal plant with the dry weights of its parts: roots 120 g, stem 250 g, leaves 330 g and grain 300 g.\n\n(a) Calculate the harvest index (HI), defined as \( \text{HI}= \frac{\text{grain dry weight}}{\text{total above‑ground dry weight}} \), expressing the result as a decimal to two places.\n\n(b) If a drought reduces leaf dry weight by \(10\%\) while the other parts remain unchanged, what is the new HI (to two decimal places) and what is the percentage change in HI compared with the original value?
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About This Question
This is Gce Model Questions Vol1 2017 Agricultural Science Question 29. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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