Everyday Science Easy fpsc ppsc nts

Which common everyday substance is used to test for the presence of starch in food by turning blue-black?

  • A Iodine solution
  • B Litmus paper
  • C Benedict's solution
  • D Biuret reagent
Correct Answer: Option A — Iodine solution
Explanation: Iodine solution turns blue-black in the presence of starch making it a simple and reliable test for detecting starch in food items during food science investigations.
Submitted by: PaperMCQs
0 views Back to Everyday Science
Related MCQs

Which phenomenon explains why sound travels faster in warm air than in cold air?

Click to view answer →

Which part of the water cycle involves water vapour cooling and turning back into liquid water droplets to form clouds?

Click to view answer →

Which chamber of the heart receives deoxygenated blood from the body before sending it to the lungs?

Click to view answer →

Which part of the plant conducts photosynthesis and contains stomata for gas exchange?

Click to view answer →

Which unit measures the frequency of sound waves typically expressed as cycles per second?

Click to view answer →
MCQ Details
SubjectEveryday Science
DifficultyEasy
Exam Typesfpsc, ppsc, nts
CorrectOption A
Practice More
More Everyday Science MCQs Take Quick Test