2015
NEET
MCQ
AIPMT 2015
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
NEET
MCQ
AIPMT 2015
Which of the following structures is not
found in a prokaryotic cell?
A.
Mesosome
B.
Nuclear envelope
C.
Ribosome
D.
Plasma membrane
2015
NEET
MCQ
AIPMT 2015
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
NEET
MCQ
AIPMT 2015 Cancelled Paper
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
NEET
MCQ
AIPMT 2015 Cancelled Paper
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
NEET
MCQ
AIPMT 2015 Cancelled Paper
DNA is not present in :
A.
Nucleus
B.
Chloroplast
C.
Mitochondria
D.
Ribosomes
2015
NEET
MCQ
AIPMT 2015 Cancelled Paper
The chromosomes in which centromere is situated close to one end are :
A.
Telocentric
B.
Metacentric
C.
Sub-metacentric
D.
Acrocentric
2015
NEET
MCQ
AIPMT 2015 Cancelled Paper
Nuclear envelope is a derivative of :
A.
Membrane of Golgi complex
B.
Smooth endoplasmic reticulum
C.
Rough endoplasmic reticulum
D.
Microtubules
2015
NEET
MCQ
AIPMT 2015 Cancelled Paper
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
NEET
MCQ
AIPMT 2014
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
NEET
MCQ
AIPMT 2014
The osmotic expansion of a cell kept in water is chiefly regulated by:
A.
Vacuoles
B.
Plastids
C.
Mitochondria
D.
Ribosomes
2014
NEET
MCQ
AIPMT 2014
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
NEET
MCQ
NEET 2013 (Karnataka)
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
NEET
MCQ
NEET 2013 (Karnataka)
Which of the following types of plastids does not
contain stored food material ?
A.
Eleioplasts
B.
Chromoplasts
C.
Amyloplasts
D.
Aleuroplasts
2013
NEET
MCQ
NEET 2013 (Karnataka)
Select the alternative giving correct identification
and function of the organelle 'A' in the diagram
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
NEET
MCQ
NEET 2013 (Karnataka)
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
NEET
MCQ
NEET 2013
A major site for synthesis of lipids is :
A.
RER
B.
Nucleoplasm
C.
SER
D.
Symplast
2013
NEET
MCQ
NEET 2013
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
NEET
MCQ
NEET 2013
Which one of the following organelle in the figure correctly matches with its function ?
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
NEET
MCQ
AIPMT 2012 Mains
Which one of the following structures is an organelle within an organelle ?
A.
Mesosome
B.
Peroxisome
C.
Ribosome
D.
ER
2012
NEET
MCQ
AIPMT 2012 Mains
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
NEET
MCQ
AIPMT 2012 Prelims
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
NEET
MCQ
AIPMT 2012 Prelims
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
NEET
MCQ
AIPMT 2012 Prelims
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
NEET
MCQ
AIPMT 2011 Mains
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
NEET
MCQ
AIPMT 2011 Mains
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. –
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
NEET
MCQ
AIPMT 2011 Prelims
Important site for formation of glycoproteins and
glycolipids is :
A.
Plastid
B.
Lysosome
C.
Golgi apparatus
D.
Vacuole
2011
NEET
MCQ
AIPMT 2011 Prelims
Peptide synthesis inside a cell takes place in :
A.
Chromoplast
B.
Ribosomes
C.
Chloroplast
D.
Mitochondria
2010
NEET
MCQ
AIPMT 2010 Mains
Identify the components labelled A, B, C and D
in the diagram below from the list (i) to (viii)
given along with –
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 :
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
NEET
MCQ
AIPMT 2010 Mains
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
NEET
MCQ
AIPMT 2010 Prelims
Which one of the following has its own DNA?
A.
Dictyosome
B.
Mitochondria
C.
Peroxisome
D.
Lysosome
2010
NEET
MCQ
AIPMT 2010 Prelims
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
NEET
MCQ
AIPMT 2010 Prelims
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
NEET
MCQ
AIPMT 2010 Prelims
The main area of variuos types of activites of a
cell is –
A.
Cytoplasm
B.
Plasma membrane
C.
Nucleus
D.
Mitochondrian
2009
NEET
MCQ
AIPMT 2009
Middle lamella is composed mainly of :
A.
Calcium pectate
B.
Phosphoglycerides
C.
Muramic acid
D.
Hemicellulose
2009
NEET
MCQ
AIPMT 2009
Cytoskeleton is made up of :
A.
Cellulose microfibrils
B.
Proteinaceous filaments
C.
Calcium carbonate granules
D.
Callose deposits
2009
NEET
MCQ
AIPMT 2009
Plasmodesmata are :
A.
Locomotory structures
B.
Connection between adjacent cells
C.
Membranes connecting the nucleus with
plasmalemma
D.
Lignified cemented layers between cells
2008
NEET
MCQ
AIPMT 2008
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
NEET
MCQ
AIPMT 2008
In germinating seeds fatty acids are degraded
exclusively in the:
A.
proplastids
B.
peroxisomes
C.
glyoxysomes
D.
mitochondria
2008
NEET
MCQ
AIPMT 2008
The two sub-units of ribosome remain united at a
critical ion level of :
A.
magnesium
B.
manganese
C.
calcium
D.
copper
2008
NEET
MCQ
AIPMT 2008
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
NEET
MCQ
AIPMT 2007
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
NEET
MCQ
AIPMT 2007
Biological organization starts with:-
A.
Cellular level
B.
Atomic level
C.
Organismic level
D.
Submicroscopic molecular level
2007
NEET
MCQ
AIPMT 2007
Which one of the following is not a constituent
of cell membrane ?
A.
Glycolipids
B.
Proline
C.
Phospholipids
D.
Cholesterol
2006
NEET
MCQ
AIPMT 2006
A major breakthrough in the studies of cells
came with the development of electron
microscope. This is because
A.
Electron beam can pass through thick
materials, whereas light microscopy requires
thin sections
B.
The resolution power of the electron
microscope is much higher than that of the
light microscope
C.
The electron microscope is more powerful
than the light microscope as it uses a beam
of electrons which has wavelength much
longer than that of photons
D.
The resolving power of the electron
microscope is 200-350 nm as compared to
0.1-0.2 nm for the light microscope
2006
NEET
MCQ
AIPMT 2006
Which of the following statements regarding
cilia is not correct ?
A.
Microtubules of cilia are composed of
tubulin
B.
The organized beating of cilia is controlled
by fluxes of Ca2+ across the membrane
C.
Cilia are hair-like cellular appendages
D.
Cilin contain an outer ring of nine doublet
microtubules surrounding two single
microtubules
2006
NEET
MCQ
AIPMT 2006
Which of the following statements regarding
mitochondrial membrane is not correct ?
A.
The inner membrane is highly convoluted
forming a series of infoldings
B.
The outer membrane resembles a sieve
C.
The outer membrane is permeable to all kinds
of molecules
D.
The enzymes of the electron transfer chain
are embedded in the outer membrane
2005
NEET
MCQ
AIPMT 2005
A student wishes to study the cell structure under
a light microscope having 10X eyepiece and 45X
objective. He should illuminate the object by
which one of the following colours of light so as
get the best possible resolution ?
A.
Yellow
B.
Red
C.
Blue
D.
Green
2005
NEET
MCQ
AIPMT 2005
Chlorophyll in chloroplasts is located in
A.
Stroma
B.
Grana
C.
Pyrenoid
D.
Both (A) and (C)
2005
NEET
MCQ
AIPMT 2005
Centromere is required for -
A.
Crossing over
B.
Movement of chromosomes towards poles
C.
Transcription
D.
Cytoplasmic cleavage