Rough vs Smooth ER Structure — NEET Biology
🔥 Predicted for NEET 2027📖 NCERT Source
The ER often shows ribosomes attached to their outer surface. The endoplasmic reticulum bearing ribosomes on their surface is called rough endoplasmic reticulum (RER). In the absence of ribosomes they appear smooth and are called smooth endoplasmic reticulum (SER).
Why This May Be Tested in NEET 2027
Adjacent to a frequently-asked paragraph in the same chapter.
Practice This Concept
QuestionPredicted for NEET 2027
Identify the structure
📖 Solution & NCERT Explanation
View solution & NCERT explanation
Correct answer: B — Rough ER
ER with ribosomes appears rough and is involved in protein synthesis.
❓ Frequently Asked Questions
What does NCERT say about ER often shows ribosomes?
The ER often shows ribosomes attached to their outer surface. The endoplasmic reticulum bearing ribosomes on their surface is called rough endoplasmic reticulum (RER).
Has this concept appeared in NEET?
High probability for NEET 2027. Adjacent to a frequently-asked paragraph in the same chapter.
Which chapter is this from?
Cell: The Unit of Life, Class 11 NCERT Biology.
Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.
176/180of the ReNEET 2026 paper (all subjects) was already in the MedicNEET question bank
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