Which of the following statements about gel electrophoresis is incorrect?

Practice question

Question

Which of the following statements about gel electrophoresis is incorrect?

Options

Choose one · Correct answer highlighted

Gel electrophoresis separates DNA fragments based on size. DNA moves toward the negative electrode. Correct Smaller DNA fragments migrate faster than larger ones. Agarose gel electrophoresis is commonly used for DNA separation.

Explanation

DNA is negatively charged and moves toward the positive electrode (anode) in gel electrophoresis, not the negative electrode. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

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