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Cell_ The Unit Of Life

597 Questions Start Allen Test
All Exams Allen Errorless
MHCET 2004; VITEEE 2008 Q151 Errorless Lysosome and Ribosomes MCQ
The cell organelle showing extensive polymorphism is
A.
Dictyosomes
B.
Chloroplasts
C.
Lysosomes
D.
Ribosomes
DPMT 2004 Q152 Errorless Lysosome and Ribosomes MCQ
Ribosomes that occur exclusively in mitochondria is
A.
70S
B.
55S
C.
30S
D.
50S
DPMT 2004 Q153 Errorless Lysosome and Ribosomes MCQ
Ribosome mainly has
A.
DNA
B.
RNA
C.
Carbohydrate
D.
None of these
38.Eukaryotic 80 S ribosome breaks into
Odisha JEE 2004 Q154 Errorless Sphaerosomes, Peroxisomes, Glyoxysomes and Vacuoles MCQ
Which is not true about sphaerosomes
A.
Arise from ER.
B.
Related to fat
C.
Single membrane bound structure
D.
Involved in photorespiration
MP PMT 2004 Q155 Errorless Sphaerosomes, Peroxisomes, Glyoxysomes and Vacuoles MCQ
Hyaloplasm of vacuole contains
A.
Air
B.
Water
C.
Water and minerals
D.
Nothing
MP PMT 2004; Odisha JEE 2012 Q156 Errorless Centrosomes/Centriole Cilia, Flagella and Microtubules MCQ
Tubulin protein occurs in
A.
Rough endoplasmic reticulum
B.
Microtubules
C.
Thylakoids
D.
Digestive enzymes
CBSE PMT 2004; AIIMS 2007 Q157 Errorless Nucleus and Chromosomes MCQ
The telomeres of eukaryotic chromosomes consist of short sequences of
A.
Adenine rich repeats
B.
Guanine rich repeats
C.
Thymine rich repeats
D.
Cytosine rich repeats
DPMT 2004 Q158 Errorless Critical Thinking MCQ
Which of the following is used for observing spindle fibres Or The microscope usually used for seeing living cells or tissues [AIIMS 2012]
A.
Dark field microscope
B.
Phase contrast microscope
C.
Polarisation microscope
D.
Scanning transmission electron microscope
DPMT 2004 Q159 Errorless Critical Thinking MCQ
Following technique uses radioactive precursors for observing metabolic activities of macromolecules, is Or Which of the following technique, other than microscopy is used for study of cell [BHU 2004]
A.
Chromatography
B.
Density gradient centrifugation or cell fractionation
C.
Autoradiography
D.
Electron microscope
Kerala PMT 2004; NEET 2022 Q160 Errorless Critical Thinking MCQ
Match Column-I with Column-II
Column-IColumn-II
(A)Metacentric chromosome
(B)Acrocentric chromosome
(C)Submetacentric chromosome
(D)Telocentric chromosome
(P)Centromere situated close to the end, forming one extremely short and one very long arm
(Q)Centromere at the terminal end
(R)Centromere in the middle, forming two equal arms
(S)Centromere slightly away from the middle, forming one shorter arm and one longer arm
A.
Aā€“S, Bā€“Q, Cā€“R, Dā€“P
B.
Aā€“P, Bā€“Q, Cā€“S, Dā€“R
C.
Aā€“R, Bā€“P, Cā€“S, Dā€“Q
D.
Aā€“R, Bā€“S, Cā€“Q, Dā€“P
BHU 2003 Q161 Errorless Plasma Membrane MCQ
Beet root if kept in cold water anthocyanin does not come out due to plasma membrane
A.
Differentially permeable
B.
Impermeable to anthocyanins
C.
Permeable to anthocyanins
D.
Dead
MP PMT 2003, 09 Q162 Errorless Plasma Membrane MCQ
Thickness of plasma membrane is
A.
10 ƅ to 30 ƅ
B.
30 ƅ to 50 ƅ
C.
50 ƅ to 70 ƅ
D.
70 ƅ to 100 ƅ
AIEEE Pharmacy 2003 Q163 Errorless Plastids MCQ
The bright colours of ripe fruits are due to Or Which of the following type of plastids does not contain stored food material [NEET (Karnataka) 2013]
A.
Leucoplasts
B.
Chloroplasts
C.
Amyloplasts
D.
Chromoplasts
MP PMT 2003 Q164 Errorless Plastids MCQ
Plant cell differ from animal cell because of
A.
The presence of cell wall and absence of chlorophyll in plant cell
B.
The presence of cell wall and chlorophyll in plant cell
C.
The absence of cell wall and presence of chloroplast in animal cell
D.
The absence of cell wall and presence of chlorophyll in plant cell
BHU 2003 Q165 Errorless Plastids MCQ
The thylakoid in chloroplast are arranged as
A.
Interconnected disc
B.
Interconnected sacs
C.
Stacked discs
D.
None of these
AFMC 2003 Q166 Errorless Plastids MCQ
When green tomatoes fruits turn to red, then
A.
Chloroplasts are disintegrated and get converted into chromoplasts
B.
New chromoplasts are formed
C.
Chromoplasts are changed to chloroplasts
D.
None of the above
AIEEE Pharmacy 2003; DPMT 2003; BVP 2004; PET (Pharmacy) 2013 Q167 Errorless Endoplasmic reticulum and Golgi body MCQ
The endoskeleton of cell is made up of
A.
Cell wall
B.
Endoplasmic reticulum
C.
Cytoplasm
D.
Mitochondria
MP PMT 2003, 09 Q168 Errorless Sphaerosomes, Peroxisomes, Glyoxysomes and Vacuoles MCQ
DNA remains absent in
A.
Chloroplast
B.
Nucleus
C.
Peroxisomes
D.
Chromosomes
AIEEE Pharmacy 2003 Q169 Errorless Critical Thinking MCQ
Disulphide bonds which acts as atomic staples to reinforce the conformation of proteins are found in
A.
Endoplasmic reticulum
B.
Lysosome
C.
Golgi apparatus
D.
Cytosol
AIIMS 2003 Q170 Errorless Assertion and Reason MCQ
Assertion: A cell membrane shows fluid behaviour. Reason: A membrane is a mosaic or composite of diverse lipids and proteins.
A.
If both assertion and reason are true and the reason is the correct explanation of the assertion.
B.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
C.
If assertion is true but reason is false.
D.
If the assertion and reason both are false.
E.
If assertion is false but reason is true.
AFMC 2002 Q171 Errorless Cell Introduction and Cell Theory MCQ
Difference between the prokaryotic and eukaryotic cells in having Pg.
A.
Cell wall
B.
Nuclear membrane
C.
Ribosome
D.
None of these
AFMC 2002 Q172 Errorless Plasma Membrane MCQ
Which of the following layer is present nearest to plasma membrane in plant cell [NCERT Pg. No. 94]
A.
Secondary wall
B.
Middle lamella
C.
Primary wall
D.
Tonoplast
CPMT 2002; RPMT 2005 Q173 Errorless Plasma Membrane MCQ
Lipid molecule in plasma membrane are arranged in
A.
Scattered
B.
Series
C.
Alternate
D.
Head parallel
MP PMT 2002, 03; AIEEE Pharmacy 2004 Q174 Errorless Plasma Membrane MCQ
Which of the following constituent of biological membrane
A.
Phosphoprotein
B.
Protein and Phospholipid
C.
Phospholipids
D.
Cellulose
Kerala CET 2002 Q175 Errorless Protoplasm and Cytoplasm MCQ
The substance which makes up about 80% of cytoplasm and has unique structure
A.
Proteins
B.
Fats
C.
Minerals
D.
Water