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Cell_ The Unit Of Life

597 Questions Start Allen Test
All Exams Allen Errorless
AFMC 2012; WB JEE 2016 Q51 Errorless Lysosome and Ribosomes MCQ
Which of the following is present both in prokaryotic and eukaryotic cells
A.
Mitochondria
B.
Endoplasmic reticulum
C.
Ribosomes
D.
Nucleus
BHU 2012 Q52 Errorless Lysosome and Ribosomes MCQ
Lysosomes have acidic environment inside their vesicles due to
A.
Production of carboxylate ions inside it
B.
Production of phosphate ions inside it
C.
High pH compared to outside
D.
None of the above
Odisha JEE 2012 Q53 Errorless Lysosome and Ribosomes MCQ
Most of the hydrolytic enzymes of lysosome function at
A.
Acidic pH
B.
Alkaline pH
C.
Neutral pH
D.
Both
Odisha JEE 2012 Q54 Errorless Lysosome and Ribosomes MCQ
Heterophagosome is
A.
Formed by fusion of food containing phagosome with primary lysosome
B.
A newly pinched out vesicle from Golgi apparatus which fuses with endosome to become fully functional
C.
Formed by fusion of primary lysosome with degenerating intracellular organelles
D.
A lysosome in which only indigestible food material is left
J & K CET 2012 Q55 Errorless Centrosomes/Centriole Cilia, Flagella and Microtubules MCQ
The plane of cell wall formation in a dividing cell is determined by Or The filaments associated with cilia and flagella are constituted by [AIIMS 1994; MP PMT 2000]
A.
Golgi apparatus
B.
Microfilaments
C.
Microtubules
D.
Endoplasmic reticulum
AMU (Med.) 2012 Q56 Errorless Centrosomes/Centriole Cilia, Flagella and Microtubules MCQ
The usual axonemal arrangement of microtubules is
A.
6 pairs of doublets radially arranged at periphery with a pair of centrally located microtubules
B.
6 pairs of doublets radially arranged at periphery with a single centrally located microtubule
C.
9 pairs of doublets radially arranged at periphery with a pair of centrally located microtubules
D.
9 pairs of doublets radially arranged at periphery with a single centrally located microtubule
Odisha JEE 2012 Q57 Errorless Critical Thinking MCQ
Which of the following is used for staining of lipids
A.
Rhodamine
B.
Iodine
C.
Oil red O
D.
Ethidium bromide
Kerala PMT 2012 Q58 Errorless Critical Thinking MCQ
Consider the following statements
(A) In prokaryotic cells a special membranous structure formed by the extension of the plasma membrane into the cell is known as polysome
(B) The smooth endoplasmic reticulum is the major site for synthesis of glycoproteins
(C) RuBisCo is the most abundant protein in the whole of biospshere
(D) Mitochondria, chloroplasts and peroxisomes are not considered as part of endomembrane system Of the above statements
A.
C and D alone are correct
B.
A and B alone are correct
C.
B and C alone are correct
D.
A and D alone are correct
E.
B and D alone are correct
AFMC 2012 Q59 Errorless Critical Thinking MCQ
Which of the following techniques is used to extract proteins from the cell fractionation
A.
Ultracentrifugation
B.
Chromatography
C.
Autoradiography
D.
Electrophoresis
AMU (Med.) 2012 Q60 Errorless Critical Thinking MCQ
Detailed structure of the membrane was studied after the advent of electron microscope during
A.
1930's
B.
1950's
C.
1970's
D.
1990's
Odisha JEE 2011 Q61 Errorless Cell wall MCQ
Which of the following is not correct statement about the plasmids
A.
It is the extra chromosomal DNA in bacteria
B.
It is not a integral part but inert genetic material
C.
Host chromosome can be integrated with the plasmid
D.
Transfer of plasmid can be done from cell to cell without killing the host
CBSE PMT (Pre.) 2011 Q62 Errorless Plasma Membrane MCQ
In eubacteria, a cellular component that resembles eukaryotic cell is
A.
Cell wall
B.
Plasma membrane
C.
Nucleus
D.
Ribosomes
CBSE PMT (Mains) 2011 Q63 Errorless Mitochondria MCQ
In mitochondria, protons accumulate in the
A.
Intermembrane space
B.
Matrix
C.
Outer membrane
D.
Inner membrane
CBSE PMT (Mains) 2011 Q64 Errorless Mitochondria MCQ
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 (C) : Cristae - possess single circular DNA molecule and ribosomes
B.
Part (A) : Matrix - major site for respiratory chain enzymes
C.
Part (D) : Outer membrane - gives rise to inner membrane by splitting
D.
Part (B) : Inner membrane - forms infoldings called cristae
WB JEE 2011 Q65 Errorless Mitochondria MCQ
Which one of the following human cells does not contain mitochondria
A.
Nerve cell
B.
Red blood cell
C.
Liver cell
D.
White blood cell
CBSE PMT (Pre.) 2011 Q66 Errorless Plastids MCQ
In land plants the guard cells differ from other epidermal cells in having
A.
Chloroplasts
B.
Cytoskeleton
C.
Mitochondria
D.
Endoplasmic reticulum
CBSE PMT (Mains) 2011 Q67 Errorless Sphaerosomes, Peroxisomes, Glyoxysomes and Vacuoles MCQ
Which one of the following is not considered as a part of the endomembrane system Or Which of the following has a single unit membrane [MP PMT 1999]
A.
Vacuole
B.
Lysosome
C.
Golgi complex
D.
Peroxisome
Odisha JEE 2011 Q68 Errorless Sphaerosomes, Peroxisomes, Glyoxysomes and Vacuoles MCQ
Which one of the following is not a cell inclusion
A.
Crystal
B.
Vacuole
C.
Starch
D.
Fat droplets
Kerala PMT 2011 Q69 Errorless Critical Thinking MCQ
Consider the following statements and select the correct option
(A) The endomembrane system includes plasma membrane, ER, Golgi complex, lysosomes and vacuoles
(B) ER helps in the transport of substances, synthesis of proteins, lipoproteins and glycogen
(C) Ribosomes are involved in protein synthesis
(D) Mitochondria help in oxidative phosphorylation and generation of ATP
A.
B, C and D are correct
B.
A - alone is correct
C.
B - alone is correct
D.
C - alone is correct
E.
D - alone is correct
CBSE PMT (Pre.) 2011 Q70 Errorless Critical Thinking MCQ
Agarose extracted from sea weeds finds use in
A.
Gel electrophoresis
B.
Spectrophotometry
C.
Tissue culture
D.
PCR
CBSE PMT (Pre.) 2011; NEET 2020 Q71 Errorless Critical Thinking MCQ
Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells
A.
Polysomes
B.
Endoplasmic reticulum
C.
Peroxisomes
D.
Golgi bodies
CBSE PMT (Pre.) 2010 Q72 Errorless Cell wall MCQ
Membrane-bound organelles are absent in
A.
Plasmodium
B.
Saccharomyces
C.
Streptococcus
D.
Chlamydomonas
CPMT 2010 Q73 Errorless Plasma Membrane MCQ
For cell membrane, name "plasmalemma" was given by
A.
Porter
B.
Nageli
C.
Cramer
D.
Plowe
AMU (Med.) 2010, 12 Q74 Errorless Plasma Membrane MCQ
The cell membranes of adjacent cells are fused at this cell junction
A.
Macula adherens
B.
Zonula adherens
C.
Zonula occludens
D.
Nexus
CBSE PMT (Pre.) 2010 Q75 Errorless Protoplasm and Cytoplasm MCQ
The main arena of various types of activities of a cell is Or Proteins required for functioning of nucleus are formed in [BHU 2012]
A.
Nucleus
B.
Plasma membrane
C.
Mitochondrian
D.
Cvtoplasm