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Cell_ The Unit Of Life

597 Questions Start Allen Test
All Exams Allen Errorless
WB JEE 2010 Q76 Errorless Mitochondria MCQ
What is mitoplast
A.
Membraneless mitochondria
B.
Another name of mitochondria
C.
Mitochondria without outer membrane
D.
Mitochondria without inner membrane
AMU (Med.) 2010 Q77 Errorless Mitochondria MCQ
The size of mitochondria in plant cell is
A.
0.1−1.0µm long
B.
1.0 – 4.0µm long
C.
2.0 − 4.0µm long
D.
3.0 − 4.0µm long
WB JEE 2010 Q78 Errorless Mitochondria MCQ
Mitochondria are semi autonomous as they possess
A.
DNA
B.
DNA + RNA
C.
DNA + RNA + ribosomes
D.
Protein
AMU (Med.) 2010 Q79 Errorless Plastids MCQ
Aleuroplasts in a cell store
A.
Starch
B.
Oil
C.
Protein
D.
Nutrients
CBSE PMT (Mains) 2010; NEET 2013 Q80 Errorless Endoplasmic reticulum and Golgi body MCQ
Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along with

(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
A.
A-(v), B-(iv), C-(viii), D-(iii)
B.
A-(i), B-(iv), C-(viii), D-(vi)
C.
A-(vi), B-(v), C-(iv), D-(vii)
D.
A-(v), B-(i), C-(iii), D-(ii)
AIIMS 2010 Q81 Errorless Centrosomes/Centriole Cilia, Flagella and Microtubules MCQ
Microtubules are absent in
A.
Mitochondria
B.
Flagella
C.
Spindle fibres
D.
Centriole
Kerala PMT 2010 Q82 Errorless Centrosomes/Centriole Cilia, Flagella and Microtubules MCQ
Consider the following statements
(A) Plant cells have centrioles which are absent in almost all animal cells
(B) Ribosomes are the site of protein synthesis
(C) The middle lamella is a layer mainly of calcium carbonate which holds the different neighbouring cells together
(D) In animal cell steroidal hormones are synthesized by smooth endoplasmic reticulum
A.
A and B only are correct
B.
C and D only are correct
C.
B and D only are correct
D.
A and D only are correct
E.
B and C only are correct
DUMET 2010 Q83 Errorless Centrosomes/Centriole Cilia, Flagella and Microtubules MCQ
Microfilaments in eukaryotic cells are made up of
A.
Actin
B.
Albumin
C.
Globulin
D.
Fibrin
DUMET 2010 Q84 Errorless Centrosomes/Centriole Cilia, Flagella and Microtubules MCQ
The number of microtubules in a flagellum including those sharing three protofilaments with each other is
A.
11
B.
20
C.
22
D.
.10
MP PMT 2010 Q85 Errorless Nucleus and Chromosomes MCQ
Present in nucleolus is
A.
Golgi complex
B.
Lysosome
C.
Mitochondria
D.
Chromosome
KCET 2010 Q86 Errorless Critical Thinking MCQ
The diagram of the ultrastructure of a plant cell is given below. Identify the functions of the organelles labelled. A, B, C, D, E in the diagram
A.
A-Intracellular transport, B-Site of oxidative phosphorylation, C-Principle director of macromolecular traffic, D-Site of photophosphorylation, E-Storage of cell sap
B.
A-Principle director of macromolecular traffic, B-Site of oxidative phosphorylation, C-Intracellular transport, D-Site of photophosphorylation, E-Storage of cell sap
C.
A-Site of photophosphorylation, B-Storage of cell sap, C-Intracellular transport, D-Site of oxidative phosphorylation, E-Principle director of macromolecular traffic
D.
A-Storage of cell sap, B-Site of oxidative phosphorylation, C-Principle director of macromolecular traffic, D-Site of photophosphorylation, E-Intracellular transport
AMU (Med.) 2010 Q87 Errorless Critical Thinking MCQ
House-keeping proteins occur in
A.
Endoplasmic reticulum
B.
Golgi complex
C.
Cytoskeleton
D.
All of the above
AMU (Med.) 2009 Q88 Errorless Cell wall MCQ
In the cell walls of the guard cells, cellulose microfibrils are oriented
A.
Radially
B.
Transversely
C.
Tangentially
D.
Obliquely
EAMCET 2009 Q89 Errorless Cell wall MCQ
The chemical substances found most abundantly in the middle lamella is released into the phragmoplast by
A.
Endoplasmic reticulum
B.
Golgi complex
C.
Spindle fragments
D.
Interzonal fibres
DUMET 2009; MH CET 2015 Q90 Errorless Plastids MCQ
In higher plants, the shape of the chloroplast is
A.
Discoid (Lens)
B.
Cup-shaped
C.
Girdle-shaped
D.
Reticulate
Odisha JEE 2009; CBSE PMT (Pre.) 2011 Q91 Errorless Lysosome and Ribosomes MCQ
Peptide synthesis inside a cell takes place in
A.
Ribosomes
B.
Chloroplast
C.
Mitochondria
D.
Chromoplast
MP PMT 2009 Q92 Errorless Lysosome and Ribosomes MCQ
Which of the following is responsible for the origin of lysosome
A.
Chloroplast
B.
Mitochondria
C.
Golgi body
D.
Ribosome
CBSE PMT 2009; CBSE PMT (Mains) 2010 Q93 Errorless Centrosomes/Centriole Cilia, Flagella and Microtubules MCQ
An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in the maintenance of cell shape is called [NCERT Pg. No. 98]
A.
Thylakoid
B.
Endoplasmic Reticulum
C.
Plasmalemma
D.
Cytoskeleton
KCET 2009 Q94 Errorless Critical Thinking MCQ
The RER in the cell synthesised a protein which would be later used in building the plasma membrane. But it is observed that the protein in the membrane is slightly different from the protein made in the RER. The protein was probably modified in another cell organelle. Identify that organelle in the given diagram
A.
D
B.
A
C.
B
D.
C
AIIMS 2009 Q95 Errorless Critical Thinking MCQ
Which of the following four cell structures is correctly matched with the accompanying description
A.
Plasma membrane - Outer layer of cellulose or chitin, or absent
B.
Mitochondria Bacteria like elements with inner membrane forming sacs containing chlorophyll, found in plant cells and algae
C.
Chloroplasts Bacteria like elements with inner membrane highly folded
D.
Golgi apparatus Stacks of flattened vesicles
WB JEE 2008 Q96 Errorless Cell wall MCQ
What is the structural element of cell wall
A.
Matrix
B.
Microtubules
C.
Microfibrils
D.
Arabinogalactans
Odisha JEE 2008; WB JEE 2011 Q97 Errorless Plasma Membrane MCQ
Most abundant Lipid in cell membrane is
A.
Phospholipid
B.
Starch
C.
Oil
D.
Sulpholipid
CBSE PMT 2008, 09 Q98 Errorless Plasma Membrane MCQ
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 mono layer to the other (described as flip flop movement)
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 111 1111.-1
D.
While lipids can rarely flip-flop, proteins can not
AFMC 2008 Q99 Errorless Mitochondria MCQ
Mitochondria perform all of the following functions except
A.
Nucleic acid synthesis
B.
β− oxidation of fatty acids
C.
ATP synthesis
D.
Polysaccharide degradation
AIIMS 2008 Q100 Errorless Plastids MCQ
What is common between chloroplasts, chromoplasts and leucoplasts
A.
Presence of pigments
B.
Possession of thylakoids and grana
C.
Storage of starch, proteins and lipids
D.
Ability to multiply by a fission-like process