NEET UG · NCERT Biology chapters · Molecular Basis of Inheritance · Practice
5.8 Regulation of Gene Expression
NCERT Class 12 Biology, section 5.8 · Shishya practice, NCERT-based
4 questions, picked at random. Each is Shishya's own, written from this part of the NCERT chapter and answer-checked — not NCERT's text and not a NEET previous-year question. Read the chapter first; the explanation shows after each answer.
Question 1 of 4
MediumStatement I: Regulatory proteins in prokaryotes act only as repressors. Statement II: Proteins binding operator sequences control access to promoters. Choose the correct option.