Download NEET MCQs for NEET Biology: Cell Biology
Review structured MCQ sets for NEET Biology Cell Biology. Built according to official NEET guidelines, these downloadable questions support daily revision and core concept reinforcement.
Chapter-wise Objective Questions: Cell Biology
Navigate directly to the 50 objective questions for Cell Biology using the digital viewer below. Each practice set includes verified answer keys, allowing students to instantly cross-check their work and identify areas requiring further revision.
Multiple Choice Questions
(a) Cilia, Flagella and Peroxisomes
(b) Spindle fibres, Centrioles and Cilia
(c) Centrioles, Spindle fibres and Chromatin
(d) Centrosome, Nucleosome and Centrioles
Show Answer & Explanation
Answer: (b) Spindle fibres, Centrioles and Cilia
Explanation:
1. Microtubules make up spindle fibres, centrioles and cilia.
Teacher's Note:
1. Peroxisomes have none.
Assertion (A): Centrosome does not show any kind of compartmentalisation of cell cytoplasm.
Reason (R): Centrosome is devoid of membranous coverings.
(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. The centrosome has no membrane, so it does not compartmentalise the cytoplasm.
Teacher's Note:
1. Membrane-bound organelles do.
(a) ER
(b) Mesosome
(c) Ribosome
(d) Peroxisome
Show Answer & Explanation
Answer: (c) Ribosome
Explanation:
1. Ribosomes also lie inside mitochondria and chloroplasts, so they are an organelle within an organelle.
Teacher's Note:
1. These ribosomes are 70S.
(a) Mitochondria, peroxysome
(b) Plasma membrane, ribosome
(c) Mitochondria, chloroplast
(d) Chloroplast, dictyosome
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Answer: (c) Mitochondria, chloroplast
Explanation:
1. Mitochondria and chloroplasts contain their own DNA.
Teacher's Note:
1. Peroxisomes, ribosomes and Golgi do not.
Assertion (A): Ribosomes are involved in protein synthesis.
Reason (R): They are membrane bound cell organelles.
(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: (c) A is true, but R is false.
Explanation:
1. Ribosomes make proteins, so A is true.
2. They are not membrane-bound, so R is false.
Teacher's Note:
1. They have no membrane.
(a) Part of chromosome
(b) Half chromosome
(c) Total DNA in cell
(d) A complete set of chromosomes
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Answer: (d) A complete set of chromosomes
Explanation:
1. A genome is the complete (haploid) set of chromosomes of an organism.
Teacher's Note:
1. It is not just a part.
(a) Peroxisomes
(b) Mitochondria
(c) Proplastids
(d) Glyoxysomes
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Answer: (d) Glyoxysomes
Explanation:
1. Glyoxysomes degrade fatty acids in germinating oil seeds.
Teacher's Note:
1. They convert fat to sugar.
Assertion (A): Eukaryotic ribosomes are 80 S type.
Reason (R): 'S' indirectly measure of density and size.
(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: (b) Both A and R are true, but R is not the correct explanation of A.
Explanation:
1. Eukaryotic ribosomes are 80S, and S measures sedimentation (size and density) but it does not explain why they are 80S.
Teacher's Note:
1. It is a unit, not a cause.
(a) While proteins can flip-flop, lipids can not
(b) Neither lipids, nor proteins can flip-flop
(c) Both lipids and proteins can flip-flop
(d) While lipids can rarely flip–flop,proteins can not
Show Answer & Explanation
Answer: (d) While lipids can rarely flip–flop,proteins can not
Explanation:
1. Lipids rarely flip-flop between layers, and proteins cannot.
Teacher's Note:
1. Lateral movement is common.
(a) Selectively permeable
(b) Permeable
(c) Impermeable
(d) Semipermeable
Show Answer & Explanation
Answer: (a) Selectively permeable
Explanation:
1. The plasma membrane allows some substances to pass and not others, so it is selectively permeable.
Teacher's Note:
1. Selective permeability depends on size, charge and carriers.
(a) Connections between adjacent cells
(b) Lignified cemented layers between cells
(c) Locomotary structures
(d) Membranes connecting the nucleus with plasmalemma
Show Answer & Explanation
Answer: (a) Connections between adjacent cells
Explanation:
1. Plasmodesmata are cytoplasmic channels between adjacent plant cells.
Teacher's Note:
1. They connect protoplasts.
(a) Lysosomes, Golgi apparatus and mitochondria
(b) Nuclei, ribosomes and mitochondria
(c) Chromosomes, ribosomes and endoplasmic reticulum
(d) Endoplasmic reticulum, ribosomes and nuclei
Show Answer & Explanation
Answer: (a) Lysosomes, Golgi apparatus and mitochondria
Explanation:
1. Lysosomes, Golgi apparatus and mitochondria are all bounded by membranes.
Teacher's Note:
1. Ribosomes and chromosomes are not.
(a) Both (a) and (b) are correct
(b) (b) is true but (a) is false
(c) (a) is true but (b) is false
(d) Both (a) and (b) are false
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Answer: (c) (a) is true but (b) is false
Explanation:
1. Mitochondria and chloroplasts are semi-autonomous and form by division of existing ones, but they do have their own protein synthesising machinery (ribosomes).
Teacher's Note:
1. So (b) is false.
(a) a and d
(b) b and c
(c) a and c
(d) b and d
Show Answer & Explanation
Answer: (b) b and c
Explanation:
1. A cell with naked circular DNA is prokaryotic: histones are absent and there is no compartmentalisation.
Teacher's Note:
1. It has only 70S ribosomes and is haploid.
(a) a, b, c
(b) Only b
(c) a, b, c, f
(d) b and d These questions consist of two statements each, p these Questions you are required to choos (A) If both Assertion & Reason are True &the Reas (B) If both Assertion & Reason are True but Reason (C) If Assertion is True but the Reason is False. (D) If both Assertion & Reason are false. Directions for Asse
Show Answer & Explanation
Answer: (d) b and d These questions consist of two statements each, p these Questions you are required to choos (A) If both Assertion & Reason are True &the Reas (B) If both Assertion & Reason are True but Reason (C) If Assertion is True but the Reason is False. (D) If both Assertion & Reason are false. Directions for Asse
Explanation:
1. The interphase nucleus shows chromatin and nucleolus; centrioles are in the cytoplasm, and chromatids, centromere and kinetochore are seen in dividing cells.
Teacher's Note:
1. Chromosomes are not visible as such.
(a) Ribosome
(b) Mesosome
(c) Lysosome
(d) Microsome
Show Answer & Explanation
Answer: (c) Lysosome
Explanation:
1. Lysosomes contain hydrolytic enzymes.
Teacher's Note:
1. They digest worn-out materials.
(a) Proteinaceous filaments
(b) Calcium carbonate granules
(c) Callose deposits
(d) Cellulosic microfibrils
Show Answer & Explanation
Answer: (a) Proteinaceous filaments
Explanation:
1. The cytoskeleton is made of protein filaments.
Teacher's Note:
1. Microtubules, microfilaments and intermediate filaments.
(a) Cyanophycean granule
(b) Glycogen granule
(c) Polysome
(d) Phosphate granule
Show Answer & Explanation
Answer: (c) Polysome
Explanation:
1. A polysome is not an inclusion body.
Teacher's Note:
1. Cyanophycean, glycogen and phosphate granules are inclusions.
(a) Cellular aging
(b) Loss of base pairs from chromosomal ends
(c) Decrease replication potential of cells
(d) All of these
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Answer: (d) All of these
Explanation:
1. Telomere shortening means loss of base pairs from chromosome ends, decreased replication potential and cellular ageing.
Teacher's Note:
1. All three statements are correct.
(a) Surface of grana
(b) Surface of plasma membrane.
(c) Membrane of Mitochondria
(d) Nuclear Membrane.
Show Answer & Explanation
Answer: (c) Membrane of Mitochondria
Explanation:
1. Cristae are infoldings of the inner mitochondrial membrane.
Teacher's Note:
1. Grana are in chloroplasts.
(a) Plasmalemma
(b) Plasmodesmata
(c) Plastoquinones
(d) Endoplasmic reticulum
Show Answer & Explanation
Answer: (b) Plasmodesmata
Explanation:
1. Plasmodesmata are cytoplasmic bridges and an effective pathway between adjacent cells.
Teacher's Note:
1. The plasmalemma separates cells.
(a) On ribosomes present in cytoplasm as well as in mitochondria
(b) On ribosomes present in the nucleolus as well as in cytoplasm
(c) Only on ribosomes attached to the nuclear envelope and endoplasmic reticulum
(d) Only on the ribosomes present in cytosol
Show Answer & Explanation
Answer: (a) On ribosomes present in cytoplasm as well as in mitochondria
Explanation:
1. In animal cells protein synthesis occurs on cytoplasmic ribosomes and on mitochondrial ribosomes.
Teacher's Note:
1. Ribosomes are also found on the RER.
(a) In possessing 70 S ribosomes
(b) In possessing cell wall
(c) In possessing Glycocalyx
(d) In possessing inclusion bodies
Show Answer & Explanation
Answer: (b) In possessing cell wall
Explanation:
1. Plant and prokaryotic cells have a cell wall, whereas animal cells have none.
Teacher's Note:
1. Plant cells have 80S ribosomes.
Practice MCQs for NEET Biology Cell Biology
Download Multiple Choice Questions: Cell Biology (NEET Biology)
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FAQs
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By solving our NEET Biology Cell Biology MCQs Set 04, NEET students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Biology.
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