237
MCQ Questions
40
Assertion-Reason
63
NEET 2025 Pattern
39
Previous Year Q
NCERT Mapping
Cell: The Unit of Life is from NCERT Class 11 Biology, Chapter 8, under the unit Cell Structure and Function. This chapter carries approximately 4% weightage in NEET, based on analysis of the last 10 years of question papers. MedicNEET covers this chapter with 340 questions — every question built from line-by-line NCERT analysis.
Topics in Cell: The Unit of Life
Eukaryotes, Cell Membrane, Cell Wall
Endomembrane System, Mitochondria, Plastids, Ribosomes
Cytoskeleton, Cilia and Flagella, Centrosome and Centrioles, Nucleus, Microbodies
Prokaryotic
Cell theory , overview of cell
Sample Questions — Cell: The Unit of Life
Try 5 free questions below. Get all 340 in the MedicNEET app.
MCQ
Why are viruses not considered living cells?
✅ Correct Answer: C
Viruses do not fulfill the criteria of cellular organization.
MCQ
What is the nature of ribosomes in prokaryotic cells?
✅ Correct Answer: D
Prokaryotic ribosomes are smaller and 70S in size.
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MCQ
Why does the fluid mosaic model include both phospholipids and proteins?
✅ Correct Answer: A
Phospholipids create the semi-permeable membrane, and proteins allow communication and transportation across it.
Assertion-Reason
Assertion (A): Eukaryotic and prokaryotic cells have ribosomes of different sizes.
Reason (R): The eukaryotic ribosomes are 70S while the prokaryotic ribosomes are 80S.
✅ Correct Answer: C
The Assertion is true - NCERT confirms different ribosome sizes between cell types. However, NCERT states “The eukaryotic ribosomes are 80S while the prokaryotic ribosomes are 70S.” The Reason swaps these values, making it false. This is a highly confusing reversal that students commonly make.
NEET 2025 Pattern
Which of the following statements regarding the fundamental nature of cells and cell theory are NOT correct?
S1: Antonie Von Leeuwenhoek first saw and described a live cell, demonstrating that unicellular organisms are capable of independent existence.
S2: Robert Brown is credited with the discovery of the nucleus within a cell in 1831.
S3: Theodore Schwann's studies on plant tissues led him to conclude that the presence of cell wall is a unique character of animal cells.
S4: The cell theory, initially proposed by Schleiden and Schwann, did not address the mechanism of how new cells are formed.
S5: Rudolf Virchow's contribution, "Omnis cellula-e cellula," implies that all living organisms are composed of cells and products of cells.
✅ Correct Answer: B
The core concept tested is the foundational principles of cell biology, including the definition of a cell and the historical development of the cell theory, as provided in NCERT.
S1: Antonie Von Leeuwenhoek first saw and described a live cell. Unicellular organisms are indeed capable of independent existence and performing essential life functions. This statement is correct. (NCERT Page 88).
S2: Robert Brown discovered the nucleus in 1831. This statement is correct. (NCERT Page 88 and Page 100).
S3: Theodore Schwann, based on his studies on plant tissues, concluded that the presence of cell wall is a unique character of *plant* cells, not animal cells. Therefore, this statement is NOT correct. (NCERT Page 88).
S4: The cell theory formulated by Schleiden and Schwann did not explain how new cells were formed. This was later elucidated by Rudolf Virchow. This statement is correct. (NCERT Page 88).
S5: Rudolf Virchow's phrase "Omnis cellula-e cellula" means "all cells arise from pre-existing cells". The idea that "all living organisms are composed of cells and products of cells" was part of the original hypothesis proposed by Schwann and then formulated by Schleiden and Schwann. Therefore, this statement is NOT correct. (NCERT Page 88).
Statements S3 and S5 are NOT correct.
Final Answer: The final answer is B because statements S3 and S5 are incorrect.
Practice All 340 Questions from Cell: The Unit of Life
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Frequently Asked Questions
How many Cell: The Unit of Life questions does MedicNEET have?
MedicNEET has 340 questions for Cell: The Unit of Life, including 237 MCQs, 40 Assertion-Reason questions, and 63 NEET 2025-style long-form questions.
What is the NEET weightage of Cell: The Unit of Life?
Cell: The Unit of Life carries approximately 4% weightage in NEET, based on analysis of the last 10 years of papers. It falls under the Cell Structure and Function unit of Class 11 Biology.
Are Cell: The Unit of Life questions NCERT-based?
Yes, all MedicNEET Cell: The Unit of Life questions are built from line-by-line analysis of NCERT Class 11 textbook. Every question maps to specific NCERT pages and concepts.