JSCE Pre Vocational Study 2023 Objective — Question 55
Question 55 of 99 from the Junior Secondary Certificate Examination (JSCE) Pre Vocational Study 2023 Objective paper, with the correct answer and a full explanation.
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A blue-black colouration on a thin slice of yam when few drops of dilute iodine solution is dropped on the yam indicates the presence of ......
- A. starchCorrect
- B. vitamins
- C. minerals
- D. water
Explanation
Iodine turns blue-black with starch.
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