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ZOOLOGY CELL AND CELL MEMBRANE Mock Test
🟥 ZOOLOGY CELL AND CELL MEMBRANE Mock Test
🟥 QUESTIONS : 30
🟥 TIME : 30 Mins
1 / 30
1) In the plasma membrane, carbohydrates
🧚always faces outwards, towards extracellular space 🧚directed to all sides in the membrane randomly 🧚always faces to the lumen of cells 🧚always faces inward to the nonpolar portion of the membrane
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2) This is not the function of plasma membrane
📌Energy transduction 📌Intercellular interactions 📌Responding to external stimuli 📌Assisting in chromosome segregation
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Mitochondrial inner membrane is rich in phospholipid A. Phosphtidyl inositol B. Phosphtidyl serine C. Phosphtidyl choline D. Cardiolipin
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The term mitochondria was coined by a) Carl Benda b) Richard c) Watson d) John Crick
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Which of the following division technique is similar in mitochondria and bacteria? a) Binary fission b) Budding c) Binary fusion d) Meiosis
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How do the small molecules pass through the outer membrane of mitochondria? a) ATP pump b) Carrier protein c) Channels d) Porins
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Which of the following is not associated with mitochondria A. Circular nucleic acid B. Elementary particles in Matrix C. 70S Ribosomes D. Division through fission
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Cellular organelles containing hydro lytict enzymes are A .lysosome B.microsome C.both D.none
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Polytene chromosome where first observed by A. Batentzkye in 1980 B Balbiani in 1881 C Stevens in 1905 D Heitz in 1935
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10) if biochemical analysis of mitochondria is to be done the best procedure would be
A.Subject the cells to cell differentiation and obtain mitochondria B.Grind cells and filter out the mixture and take debris C Plasmolyse the cell filter it and take the debris D None of the above
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11) What is wrong about mitochondria
A.Mitochondria where first discovered by Fleming in 1822 B.Name was assigned by Benda 1897 C .There importance as respiration regulating structures and as energy producing structures was realised by kingsbery in 1912 D .Mitochondria are the third largest structure in cell after nucleus
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Biological membranes are composed of A. 40%protein and 60% lipid B 50%protein and 50% lipid C. 70%protein and 30% lipid D. 60%protein and 40% lipid
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Desmosomes take part in : 🔹Cell excretion 🔹Cell division 🔹Cytolysis 🔹Cell adherence
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14) Racker's particles occur in:
🔹Chromosomes 🔹Nucleus 🔹Golgi complex 🔹Mitochondria
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Smallest cell organelle : 🔹Ribosome 🔹ER 🔹Golgi complex 🔹Mitochondria
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The term mitochondria was coined by: 🔹Kolliker 🔹Michaelis 🔹Benda 🔹Altman
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What is mitoplast? 🔹Membraneless mitochondria
🔹Mitochondria without inner membrane 🔹Another name of mitochondria 🔹Mitochondrion without outer membrane
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18) Ion carriers are located in
(a) Plasma membranes
(b) Cell wall
(c) Nucleus
(d) Cellular space
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19) In the plasma membrane, lipid molecules are arranged in
(a) head parallel
(b) alternate
(c) scattered
(d) series
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20) . In the plasma membrane, Glycolipids are usually situated in
(a) cannot be predicted, it varies according to the cell types
(b) inner leaflet of the plasma membrane
(c) the outer leaflet of the plasma membrane
(d) evenly distributed in both outer and inner leaves of plasma membrane
21 / 30
21) In the plasma membrane, carbohydrates
(a) always faces outwards, towards extracellular space
(b) directed to all sides in the membrane randomly
(c) always faces to the lumen of cells
(d) always faces inward to the nonpolar portion of the membrane
22 / 30
22) This is not the function of plasma membrane
(a) Energy transduction
(b) Intercellular interactions
(c) Responding to external stimuli
(d) Assisting in chromosome segregation
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Mitochondrial inner membrane is rich in which phospholipid A) Phosphatidyl inositol B) Phosphatidyl serine C) Cardiolipin D)Phosphatidyl choline
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In mitochondria cristae act as sites for A) protein synthesis B) phosphorylation of flavoproteins C) breakdown of macromolecules D)Oxidation–reduction reaction
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F0-F1 Particles are located on: A) Thylakoids B) inner mitochondrial membrane C) Golgian vacuoles D) None of the above
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26) Who studied the triglyceride lipid bilayers over a water surface?
A) Danielli
B) Davson
C) Davson and Danielli
D) Robert Hooke
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27) Which of the following can control the electrical behaviour of the cell?
A) Ion channels
B) Receptors
C) Antigens
D) Antibodies
28 / 30
Robinson and Brown in plant cell and Palade in animal cell discovered.... A. Lysosome B. Mesosome C. Ribosome D. Desmosome
29 / 30
The cytoskeleton of the cell is A. Endoplasmic reticulum B. Mitochondria C. Golgi apparatus D. Nucleus
30 / 30
Lammellar model of plasma membrane was proposed by A. Singer and Nicolson B. Robertson C. Danieli and Davson✅ D. Hilleir and Hoffman
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