WAEC Agricultural Science 2025 Objective — Question 25
Question 25 of 50 from the West African Examinations Council (WAEC) Agricultural Science 2025 Objective paper, with the correct answer and a full explanation.
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An effect of polishing rice grains is that it
- A. reduces the hardness of grains
- B. increases the quantity of grain
- C. reduces the nutritive value of grainsCorrect
- D. increases the germination rate of grains
Explanation
During polishing, the outer bran and germ layers of rice grains are removed to produce white rice. While it improves appearance, this process strips the grain of key nutrients, making it less nutritious than unpolished/brown rice.
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