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Cell - The Unit of Life

122 Questions Start NEET Test
All Exams NEET AIIMS
2016 Q51 NEET MCQ
10 Mar 2026
A cell organelle containing hydrolytic enzymes is
A.
Ribosome
B.
Mesosome
C.
Lysosome
D.
Microsome
2016 Q52 NEET MCQ
10 Mar 2026
Select the wrong statement-
A.
Pili and fimbriae are mainly involved in motility of bacterial cells
B.
Mycoplasma is a wall-less microorganism
C.
Bacterial cell wall is made up of peptidoglycan
D.
Cyanobacteria lack flagellated cells.
2016 Q53 NEET MCQ
10 Mar 2026
Select the mismatch.
A.
Large central vacuoles – Animal cells
B.
Methanogens –Prokaryotes
C.
Gas vacuoles – Green bacteria
D.
Protists – Eukaryotes
2016 Q54 NEET MCQ
10 Mar 2026
Mitochondria and chloroplast are-
(a) semi-autonomous organelles
(b) formed by division of pre existing organelles and they contain DNA but lack protein synthesising machinery
Which one of the following options is correct?
A.
Both (a) and (b) are false
B.
Both (a) and (b) are correct
C.
(b) is true but (a) is false
D.
(a) is true but (b) is false
2016 Q55 NEET MCQ
10 Mar 2026
Microtubules are the constituents of
A.
Cilia, Flagella and Peroxisomes
B.
Centrosome, Nucleosome and Centrioles
C.
Spindle fibres, Centrioles and Cilia
D.
Centrioles, spindle fibres and chromatin
2016 Q56 NEET MCQ
10 Mar 2026
Which one of the following cell organelles is enclosed by a single membrane?
A.
Mitochondria
B.
Chloroplasts
C.
Lysosomes
D.
Nuclei
2015 Q57 NEET MCQ
10 Mar 2026
Which of the following are not membranebound ?
A.
Ribosomes
B.
Mesosomes
C.
Lysosomes
D.
Vacuoles
2015 Q58 NEET MCQ
10 Mar 2026
Match the columns and identify the correct option.
Column I Column II
(a) Thylakoids (i) Disc-shaped sacs in Golgi
apparatus
(b) Cristae (ii) Condensed structure of DNA
(c) Cisternae (iii) Flat membranous sacs in
stroma
(d) Chromatin (iv) Infoldings in mitochondria
A.
(a) $ \to $ (iv), (b) $ \to $ (ii), (c) $ \to $ (i), (d) $ \to $ (iii)
B.
(a) $ \to $ (iv), (b) $ \to $ (iii), (c) $ \to $ (i), (d) $ \to $ (ii)
C.
(a) $ \to $ (iii), (b) $ \to $ (iv), (c) $ \to $ (i), (d) $ \to $ (ii)
D.
(a) $ \to $ (iii), (b) $ \to $ (i), (c) $ \to $ (iv), (d) $ \to $ (ii)
2015 Q59 NEET MCQ
10 Mar 2026
Which of the following structures is not found in a prokaryotic cell?
A.
Mesosome
B.
Nuclear envelope
C.
Ribosome
D.
Plasma membrane
2015 Q60 NEET MCQ
10 Mar 2026
Cellular organelles with membranes are -
A.
endoplasmic reticulum, ribosomes and nuclei
B.
lysosomes, Golgi apparatus and mitochondria
C.
nuclei, ribosomes and mitochondria
D.
chromosomes, ribosomes and endoplasmic reticulum
2015 Q61 NEET MCQ
10 Mar 2026
Which one of the following is not an inclusion body found in prokaryotes?
A.
Cyanophycean granule
B.
Phosphate granule
C.
Polysome
D.
Glycogen granule
2015 Q62 NEET MCQ
10 Mar 2026
The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are
A.
Stroma lamellae
B.
Cristae
C.
Stroma
D.
Grana
2015 Q63 NEET MCQ
10 Mar 2026
DNA is not present in :
A.
Nucleus
B.
Chloroplast
C.
Mitochondria
D.
Ribosomes
2015 Q64 NEET MCQ
10 Mar 2026
The chromosomes in which centromere is situated close to one end are :
A.
Telocentric
B.
Metacentric
C.
Sub-metacentric
D.
Acrocentric
2015 Q65 NEET MCQ
10 Mar 2026
Nuclear envelope is a derivative of :
A.
Membrane of Golgi complex
B.
Smooth endoplasmic reticulum
C.
Rough endoplasmic reticulum
D.
Microtubules
2015 Q66 NEET MCQ
10 Mar 2026
Select the correct matching in the following pairs :
A.
Rough ER – Oxidation of fatty acids
B.
Smooth ER – Oxidation of phospholipids
C.
Rough ER – Synthesis of glycogen
D.
Smooth ER – Synthesis of lipids
2014 Q67 NEET MCQ
10 Mar 2026
Match the following and select the correct answer :
(a) Centriole (i) Infoldings in mitochondria
(b) Chlorophyll (ii) Thylakoids
(c) Cristae (iii) Nucleic acid
(d) Ribozymes (iv) Basal body cilia or flagella
A.
(a) $ \to $ (iv), (b) $ \to $ (iii), (c) $ \to $ (i), (d) $ \to $ (ii)
B.
(a) $ \to $ (i), (b) $ \to $ (iii), (c) $ \to $ (ii), (d) $ \to $ (iv)
C.
(a) $ \to $ (iv), (b) $ \to $ (ii), (c) $ \to $ (i), (d) $ \to $ (iii)
D.
(a) $ \to $ (i), (b) $ \to $ (ii), (c) $ \to $ (iv), (d) $ \to $ (iii)
2014 Q68 NEET MCQ
10 Mar 2026
The osmotic expansion of a cell kept in water is chiefly regulated by:
A.
Vacuoles
B.
Plastids
C.
Mitochondria
D.
Ribosomes
2014 Q69 NEET MCQ
10 Mar 2026
The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as:
A.
Microfilaments
B.
Lamins
C.
Microtubules
D.
Intermediate filaments
2013 Q70 NEET MCQ
10 Mar 2026
Which of the following best illustrates "FEEDBACK" in development ?
A.
As tissue (X) develops, it secretes something that induces tissue (Y) to develop
B.
As tissues (X) develops, it secretes something that shows down the growth of tissue (Y)
C.
Tissue (X) secretes RNA which changes the development of tissue (Y)
D.
As tissue (X) develops, it secretes enzymes that inhibit the development of tissue (Y)
2013 Q71 NEET MCQ
10 Mar 2026
Which of the following types of plastids does not contain stored food material ?
A.
Eleioplasts
B.
Chromoplasts
C.
Amyloplasts
D.
Aleuroplasts
2013 Q72 NEET MCQ
10 Mar 2026
Select the alternative giving correct identification and function of the organelle 'A' in the diagram NEET 2013 (Karnataka) Biology - Cell - The Unit of Life Question 96 English
A.
Golgi body - provides packaging material
B.
Mitochondria - produce cellular energy in the form of ATP
C.
Endoplasmic reticulum - synthesis of lipids
D.
Lysosomes - secrete hydrolytic enzymes
2013 Q73 NEET MCQ
10 Mar 2026
The term 'glycocalyx' is used for :
A.
bacterial cell glyco-engineered to possess N-glycosylated proteins
B.
a layer present between cell wall and membrane of bacteria
C.
a layer surrounding the cell wall of bacteria
D.
cell wall of bacteria
2013 Q74 NEET MCQ
10 Mar 2026
A major site for synthesis of lipids is :
A.
RER
B.
Nucleoplasm
C.
SER
D.
Symplast
2013 Q75 NEET MCQ
10 Mar 2026
The Golgi complex plays a major role :
A.
as energy transferring organelles
B.
in post translational modification of proteins and glycosidation of lipids
C.
in trapping the light and transforming it into chemical energy
D.
in digensting proteins and carbohydrates
2013 Q76 NEET MCQ
10 Mar 2026
Which one of the following organelle in the figure correctly matches with its function ? NEET 2013 Biology - Cell - The Unit of Life Question 101 English
A.
Golgi apparatus, formation of glycolipids
B.
Rough endoplasmic reticulum, formation of glycoproteins
C.
Rough endoplasmic reticulum, protein synthesis
D.
Golgi apparatus, protein synthesis
2012 Q77 NEET MCQ
10 Mar 2026
Which one of the following structures is an organelle within an organelle ?
A.
Mesosome
B.
Peroxisome
C.
Ribosome
D.
ER
2012 Q78 NEET MCQ
10 Mar 2026
Which one of the following cellular parts is correctly described ?
A.
Lysosomes - optimally active at a pH of about 8.5
B.
Centrioles - sites for active RNA synthesis
C.
Thylakoids - flattened membranous sacs forming the grana of chloroplasts
D.
Ribosomes - those on chloroplasts are larger (80s) while those in the cytoplasm are smaller (70s)
2012 Q79 NEET MCQ
10 Mar 2026
What is true about ribosomes ?
A.
These are self - splicing introns of some RNAs.
B.
These are found only in eukaryotic cells
C.
There are composed of ribonucleic acid and proteins
D.
The prokaryotic ribosomes are 80 S, where 'S' stands for sedimentation coefficient.
2012 Q80 NEET MCQ
10 Mar 2026
Select the the correct statement from the following regarding cell membrane
A.
Na+ and K+ ions move across cell membrane by passive transport
B.
Lipids are arranged in bilayer with polar heads towards the inner part
C.
Proteins make up 60 to 70% of the cell membrane
D.
Fluid mosaic model of cell membrane was proposed by singer and Nicolson
2012 Q81 NEET MCQ
10 Mar 2026
Which one of the following does not differ in E.coli and Chlamydomonas ?
A.
Chromosomal Organization
B.
Cell wall
C.
Ribosomes
D.
Cell membrane
2011 Q82 NEET MCQ
10 Mar 2026
Which one of the following is not considered as a part of the endomembrane system ?
A.
Vacuole
B.
Lysosome
C.
Golgi complex
D.
Peroxisome
2011 Q83 NEET MCQ
10 Mar 2026
The figure below shows the structure of a mitochondrion with its four parts labelled (A), (B), (C). and (D) Select the part correctly matched with its function. – AIPMT 2011 Mains Biology - Cell - The Unit of Life Question 87 English
A.
Part (B) : Inner membrane – forms infoldings called cristae
B.
Part (C) : Cristae – possess single circular DNA molecule and ribosome
C.
Part (A) : Matrix – major site for respiratory chain enzymes
D.
Part (D) : Outer membrane – gives rise to inner membrane by splitting
2011 Q84 NEET MCQ
10 Mar 2026
Important site for formation of glycoproteins and glycolipids is :
A.
Plastid
B.
Lysosome
C.
Golgi apparatus
D.
Vacuole
2011 Q85 NEET MCQ
10 Mar 2026
Peptide synthesis inside a cell takes place in :
A.
Chromoplast
B.
Ribosomes
C.
Chloroplast
D.
Mitochondria
2010 Q86 NEET MCQ
10 Mar 2026
Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along with – AIPMT 2010 Mains Biology - Cell - The Unit of Life Question 81 English Components :
(i) Cristae of mitochondria
(ii) Inner membrane of mitochondria
(iii) Cytoplasm
(iv) Smooth endoplasmic reticulum
(v) Rough endoplasmic reticulum
(vi) Mitochondrial matrix
(vii) Cell vacuole
(viii) Nucleus
The correct components are :
A.
(A) $ \to $ (v), (B) $ \to $ (iv), (C) $ \to $ (viii), (D) $ \to $ (iii)
B.
(A) $ \to $ (i), (B) $ \to $ (iv), (C) $ \to $ (viii), (D) $ \to $ (vi)
C.
(A) $ \to $ (v), (B) $ \to $ (i), (C) $ \to $ (iii), (D) $ \to $ (ii)
D.
(A) $ \to $ (vi), (B) $ \to $ (v), (C) $ \to $ (iv), (D) $ \to $ (vii)
2010 Q87 NEET MCQ
10 Mar 2026
An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in the maintenance of cell shape is called -
A.
Cytoskeleton
B.
Endosplasmic Reticulum
C.
Thylakoid
D.
Plasmalemma
2010 Q88 NEET MCQ
10 Mar 2026
Which one of the following has its own DNA?
A.
Dictyosome
B.
Mitochondria
C.
Peroxisome
D.
Lysosome
2010 Q89 NEET MCQ
10 Mar 2026
Which one of the following structures between two adjacent cells is an effective transport pathway?
A.
Endoplasmic reticulum
B.
Plasmodesmata
C.
Plasmalemma
D.
Plastoquinones
2010 Q90 NEET MCQ
10 Mar 2026
The plasma membrane consists mainly of –
A.
proteins embedded in a carbohydrate bilayer
B.
phospholipids embedded in a protein bilayer
C.
proteins embedded in a phospholipid bilayer
D.
proteins embedded in a polymer of glucose molecules
2010 Q91 NEET MCQ
10 Mar 2026
The main area of variuos types of activites of a cell is –
A.
Cytoplasm
B.
Plasma membrane
C.
Nucleus
D.
Mitochondrian
2009 Q92 NEET MCQ
10 Mar 2026
Middle lamella is composed mainly of :
A.
Calcium pectate
B.
Phosphoglycerides
C.
Muramic acid
D.
Hemicellulose
2009 Q93 NEET MCQ
10 Mar 2026
Cytoskeleton is made up of :
A.
Cellulose microfibrils
B.
Proteinaceous filaments
C.
Calcium carbonate granules
D.
Callose deposits
2009 Q94 NEET MCQ
10 Mar 2026
Plasmodesmata are :
A.
Locomotory structures
B.
Connection between adjacent cells
C.
Membranes connecting the nucleus with plasmalemma
D.
Lignified cemented layers between cells
2008 Q95 NEET MCQ
10 Mar 2026
Vacuole in a plant cell:
A.
is membrane-bound and contains storage proteins and lipids
B.
is membrane-bound and contains water and excretory substances
C.
lacks membrane and contains air
D.
Lacks membrane and contains water and excretory substances
2008 Q96 NEET MCQ
10 Mar 2026
In germinating seeds fatty acids are degraded exclusively in the:
A.
proplastids
B.
peroxisomes
C.
glyoxysomes
D.
mitochondria
2008 Q97 NEET MCQ
10 Mar 2026
The two sub-units of ribosome remain united at a critical ion level of :
A.
magnesium
B.
manganese
C.
calcium
D.
copper
2008 Q98 NEET MCQ
10 Mar 2026
Keeping in view the "fluid mosaic model" for the structure of cell membrane, which one of the following statements is correct with respect to the movement of lipids and proteins from one lipid monolayer to the other (described as flipflop movement)?
A.
Both lipids and proteins can flip-flop
B.
While lipids can rarely flip-flop proteins cannot
C.
While proteins can flip-flop, lipids cannot
D.
neither lipids, nor proteins can flip-flop
2007 Q99 NEET MCQ
10 Mar 2026
Select the wrong statement from the following:
A.
The chloroplasts are generally much larger than mitochondria
B.
Both chloroplasts and mitochondria contain DNA
C.
Both chloroplasts and mitochondria contain an inner and an outer membrane
D.
Both chloroplasts and mitochondria have an internal compartment, the thylakoid space bounded by the thylakoid membrane
2007 Q100 NEET MCQ
10 Mar 2026
Biological organization starts with:-
A.
Cellular level
B.
Atomic level
C.
Organismic level
D.
Submicroscopic molecular level