NCERT Biology Class 11, Chapter 7

Which of the following is an incorrect statement about gap junctions? NEET Biology MCQ

Last updated: July 30, 2026

Reviewed by MedQGo Editorial Team | Last updated: July 30, 2026

Which of the following is an incorrect statement about gap junctions?

AGap junctions are present in all animal tissues.

BEach connexon is surrounded by 6 identical or similar connexin proteins.

CConnexin proteins exhibit tissue cell specificity.

DMolecules with a molecular weight greater than 1kD can pass through the aqueous channels formed by gap junctions.

Correct answer: A. Gap junctions are present in all animal tissues.

Gap junctions are not necessarily present in all animal tissues; they are found primarily in certain types of animal cells. The other statements are correct according to NCERT Biology Class 11, Chapter 7.

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