Practice MCQs for NEET Biology Cell Biology
Access targeted multiple-choice questions for Cell Biology designed to align with the latest NEET academic syllabus for NEET Biology. These objective practice sets help students evaluate their conceptual understanding and improve exam readiness.
Access Cell Biology Questions and Solutions
Access the complete set of multiple-choice questions for Cell Biology below. This focused format allows students to isolate specific topics for thorough review and uninterrupted practice alongside official NEET textbooks.
Multiple Choice Questions
(a) DNA + Protein
(b) RNA + Protein
(c) DNA + RNA
(d) Only protein
Show Answer & Explanation
Answer: (b) RNA + Protein
Explanation:
1. Ribosomes are made of rRNA and proteins.
Teacher's Note:
1. They have a large and a small subunit.
(a) Grana
(b) Pyrenoid
(c) Stroma
(d) Both grana and stroma
Show Answer & Explanation
Answer: (a) Grana
Explanation:
1. Chlorophyll lies in the thylakoid membranes of the grana.
Teacher's Note:
1. The stroma has the dark reaction enzymes.
(a) Endosperm of wheat
(b) Endosperm of castor
(c) Palisade cells in leaf
(d) Root hairs
Show Answer & Explanation
Answer: (b) Endosperm of castor
Explanation:
1. The endosperm of castor stores fat, so glyoxysomes are present there.
Teacher's Note:
1. The wheat endosperm stores starch.
(a) Steroids
(b) Fats
(c) Vitamin
(d) Proteins
Show Answer & Explanation
Answer: (d) Proteins
Explanation:
1. The RER is well developed in cells that make and secrete proteins.
Teacher's Note:
1. Steroid-making cells have much SER.
(a) A Botanist
(b) A Zoologist
(c) A botanist and zoologist
(d) A psychologist
Show Answer & Explanation
Answer: (c) A botanist and zoologist
Explanation:
1. The cell theory was proposed by Schleiden, a botanist, and Schwann, a zoologist.
Teacher's Note:
1. Virchow added that cells arise from cells.
(a) Golgi body
(b) Endoplasmic reticulum
(c) Centrioles
(d) Mitochondria
Show Answer & Explanation
Answer: (d) Mitochondria
Explanation:
1. Mitochondria are rich in oxidising enzymes (respiratory enzymes).
Teacher's Note:
1. They carry out the Krebs cycle.
(a) Cell theory
(b) Chromosomal theory of inheritance
(c) Fluid mosaic model
(d) Unit membrane theory
Show Answer & Explanation
Answer: (c) Fluid mosaic model
Explanation:
1. Singer and Nicolson proposed the fluid mosaic model.
Teacher's Note:
1. It is the accepted model of the membrane.
Assertion (A): Mitochondria are considered as prokaryotic endosymbiont of cell.
Reason (R): Genetic system of mitochondria is simillar to prokaryotes.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
Show Answer & Explanation
Answer: (a) Both A and R are true, and R is the correct explanation of A.
Explanation:
1. Mitochondria are regarded as endosymbionts because their genetic system (circular DNA, 70S ribosomes) is like that of prokaryotes.
Teacher's Note:
1. They arose from engulfed bacteria.
(a) without cell wall
(b) without plasma membrane
(c) without nucleus
(d) undergoing division
Show Answer & Explanation
Answer: (a) without cell wall
Explanation:
1. A protoplast is a cell whose wall has been removed.
Teacher's Note:
1. It has the plasma membrane and cytoplasm.
(a) Ribosome
(b) Chloroplast
(c) Mitochondrion
(d) Lysosome
Show Answer & Explanation
Answer: (c) Mitochondrion
Explanation:
1. Mitochondria extract energy from carbohydrates as ATP.
Teacher's Note:
1. Chloroplasts make carbohydrate.
(a) Protein synthesis
(b) Basal body formation
(c) Carbohydrate and lipid synthesis
(d) Photorespiration
Show Answer & Explanation
Answer: (c) Carbohydrate and lipid synthesis
Explanation:
1. The smooth ER makes lipids and carbohydrates.
Teacher's Note:
1. Protein synthesis is on the RER.
(a) Chromatids
(b) Centromere
(c) Satellite
(d) Telomere
Show Answer & Explanation
Answer: (d) Telomere
Explanation:
1. Telomeres are the non-sticky ends of chromosomes.
Teacher's Note:
1. They prevent the fusion of ends.
(a) Cytochrome P450
(b) Cytochrome bf
(c) Cytochrome c
(d) Cytochrome a1–a₃
Show Answer & Explanation
Answer: (a) Cytochrome P450
Explanation:
1. Cytochrome P450 in the smooth ER detoxifies lipid soluble drugs.
Teacher's Note:
1. The liver has abundant SER.
(a) Vacuole
(b) Golgi apparatus
(c) Plastid
(d) Lysosome
Show Answer & Explanation
Answer: (b) Golgi apparatus
Explanation:
1. The Golgi apparatus makes glycoproteins and glycolipids.
Teacher's Note:
1. It adds sugar groups.
(a) A ribosome with several subunits
(b) Ribosomes attached to each other in a linear arrangement
(c) Several ribosomes attached to a single mRNA
(d) Many ribosomes attached to a strand of endoplasmic reticulum
Show Answer & Explanation
Answer: (c) Several ribosomes attached to a single mRNA
Explanation:
1. A polysome is several ribosomes bound to one mRNA.
Teacher's Note:
1. They make many copies at once.
(a) Phosphodiesters
(b) Glycocalyx
(c) Peptidoglycan
(d) Phosphoglycerides
Show Answer & Explanation
Answer: (d) Phosphoglycerides
Explanation:
1. Plant membranes are rich in phosphoglycerides, i.e. phospholipids.
Teacher's Note:
1. Peptidoglycan is a bacterial wall component.
(a) Chromomere
(b) Telomere
(c) Satellite
(d) Nucleolar organiser
Show Answer & Explanation
Answer: (c) Satellite
Explanation:
1. The part beyond a secondary constriction is the satellite.
Teacher's Note:
1. The nucleolar organiser is the constriction.
(a) Nucleus
(b) Glogi body
(c) Cytoplasm
(d) Nucleoplasm
Show Answer & Explanation
Answer: (a) Nucleus
Explanation:
1. rRNA is made in the nucleolus, which lies inside the nucleus.
Teacher's Note:
1. The Golgi does not make RNA.
Assertion (A): H+ pump of the membranes essentially work for lysosomal vesicles.
Reason (R): Hydrolysing enzymes of lysosome are tend to work on acidic pH.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
Show Answer & Explanation
Answer: (a) Both A and R are true, and R is the correct explanation of A.
Explanation:
1. Lysosomal hydrolases work in acidic pH, so H⁺ pumps acidify lysosomal vesicles.
Teacher's Note:
1. The pump keeps the pH near 5.
(a) Xanthophylls
(b) Chlorophylls
(c) Carotenoids
(d) Anthocyanins
Show Answer & Explanation
Answer: (d) Anthocyanins
Explanation:
1. Anthocyanins are water soluble pigments in the vacuoles.
Teacher's Note:
1. Xanthophylls, chlorophylls and carotenoids are in plastids.
(a) Singer and Nicolson
(b) Jacob and Monad
(c) Schleiden and Schwann
(d) Rudolf Virchow
Show Answer & Explanation
Answer: (a) Singer and Nicolson
Explanation:
1. Singer and Nicolson proposed the fluid mosaic model.
Teacher's Note:
1. Jacob and Monod worked on the lac operon.
(a) Stroma
(b) Quantasome
(c) Oxysomes
(d) Peroxysomes
Show Answer & Explanation
Answer: (b) Quantasome
Explanation:
1. Quantasomes are the functional unit of the thylakoid membrane in photosynthesis.
Teacher's Note:
1. Oxysomes are the functional unit of mitochondria.
(a) Lysosomes
(b) Mitochondria
(c) Nucleus
(d) E.R.
Show Answer & Explanation
Answer: (b) Mitochondria
Explanation:
1. Mitochondria are the richest in enzymes, because of the Krebs cycle and electron transport enzymes.
Teacher's Note:
1. They are also called power houses.
(a) Microtubules
(b) Microfilaments
(c) Intermediate filaments
(d) Lamins
Show Answer & Explanation
Answer: (b) Microfilaments
Explanation:
1. Microfilaments are solid, 6 nm, made of actin alone.
Teacher's Note:
1. Microtubules are hollow and 25 nm.
Cell Biology Objective Questions & Solutions for NEET Biology
Download Multiple Choice Questions: Cell Biology (NEET Biology)
Test your conceptual understanding of Cell Biology with these targeted multiple-choice questions. Designed in alignment with the latest NEET curriculum for NEET Biology, these problem sets build accuracy and prepare students for objective exams.
Concept Clarification for Cell Biology
Built using the official NCERT book for NEET, these Biology objective sets provide reliable academic guidance. Pair your practice with our recommended NCERT solutions to master optimal problem-solving approaches.
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FAQs
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