NEET Biology Cell - The Unit Of Life Question Bank

done Lysosome and Ribosomes Total Questions - 51

• question_answer1)
  "Lysosomes'' were discovered by [Kashmir MEE 1995; CPMT 1996; MP PMT 2003]
  A)
  Haekel done clear
  B)
  De Duve done clear
  C)
  De Vries done clear
  D)
  Purkinje done clear
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• question_answer2)
  Which of the following statements is incorrect with reference to lysosomes [JIPMER 2002]
  A)
  They are filled acid hydrolase and other enzymes done clear
  B)
  They are monomorphic and uniform in structure and function done clear
  C)
  They may be autophagic done clear
  D)
  They can digest proteins, nuclei acids, lipids and polysaccharides done clear
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• question_answer3)
  The main function of lysosomes is [MP PMT 1999, 2002]
  A)
  Digestion done clear
  B)
  Replication done clear
  C)
  Translation done clear
  D)
  Translocation done clear
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• question_answer4)
  Scavenging of worn out cell parts and denatured proteins in the cells is done by
  A)
  Vacuoles done clear
  B)
  Golgi bodies done clear
  C)
  Lysosomes done clear
  D)
  Endoplasmic reticulum done clear
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• question_answer5)
  What would happen if lysosomes get ruptured inside the cells in which they are present [MP PMT 1997]
  A)
  Cells will swell done clear
  B)
  Cells will shrink done clear
  C)
  Cells will die done clear
  D)
  Nothing would happen done clear
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• question_answer6)
  Three of the following statements regarding cell organelles are correct while one is wrong. Which one is wrong [AIIMS 2005]
  A)
  Lysosomes are double membraned vesicles budded off from golgi apparatus and contain digestive enzymes done clear
  B)
  Endoplasmic reticulum consists of a network of membranous tubules and helps in transport, synthesis and secretion done clear
  C)
  Leucoplast are bound by two membranes lack pigment but contain their own DNA and protein synthesizing machinery done clear
  D)
  Sphaerosomes are single membrane bound and are associated with synthesis and storage of lipids done clear
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• question_answer7)
  Match List I and List II and select the correct answer using the code given below the list : List I List II a. Lysosome 1. Bacteria without cell walls b. Mycoplasma 2. A virus that infects bacterial cells c. Thylakoid 3. Flattened sacs in a chloroplast d. Bacteriophage 4. A vesicle in which hydrolytic enzymes are stored Code : [MP PMT 1993]
  A)
  a b  c d 3 1        2       4 done clear
  B)
  a   b        c        d 4  1        3  2 done clear
  C)
  a   b      c  d 2 3   4 1 done clear
  D)
  a  b    c d 1 4 2 3 done clear
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• question_answer8)
  Microbodies differ from lysosomes in that
  A)
  Microbodies are surrounded by a single unit membrane while lysosome membrane is double done clear
  B)
  Microbodies are surrounded by double membrane while lysosomes membrane is single unit done clear
  C)
  Microbodies contain lytic enzymes while lysosomes do not done clear
  D)
  Lysosome contain lytic enzymes while microbodies do not done clear
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• question_answer9)
  Lysosomes are so called because these contain [MP PMT 1994]
  A)
  Carboxylating enzymes done clear
  B)
  Respiratory enzymes done clear
  C)
  Oxidizing enzymes done clear
  D)
  Digestive enzymes done clear
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• question_answer10)
  The organelles whose major function is storage of hydrolytic enzymes are [DPMT 1986; CPMT 1987, 93, 98; MP PMT 1993, 2003; CBSE PMT 1996; BVP 2000; Haryana PMT 2005]
  A)
  Centrioles done clear
  B)
  Chromoplasts done clear
  C)
  Lysosomes done clear
  D)
  Chloroplasts done clear
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• question_answer11)
  The cellular role for lysosome is not
  A)
  Ingestion of foreign bodies done clear
  B)
  Digestion of aged organelles done clear
  C)
  Cell destruction during development done clear
  D)
  Osmoregulation done clear
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• question_answer12)
  Which is concerned with autolysis [BVP 2004]
  A)
  Ribosome done clear
  B)
  Golgi bodies done clear
  C)
  Lysosome done clear
  D)
  Oxysome done clear
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• question_answer13)
  Lysosome along with the food content is called [JIPMER 1993]
  A)
  Primary lysosome done clear
  B)
  Secondary lysosome done clear
  C)
  Residual bodies done clear
  D)
  Cytosome done clear
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• question_answer14)
  The cell organelle showing extensive polymorphism is [MHCET 2004]
  A)
  Dictyosomes done clear
  B)
  Chloroplasts done clear
  C)
  Lysosomes done clear
  D)
  Ribosomes done clear
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• question_answer15)
  Lysosomes are known as suicidal bags because of [BHU 1983, 99; CPMT 1980, 91; RPMT 1999;  CBSE PMT 2000; MP PMT 2003; HP PMT 2005]
  A)
  Catalytic enzymes done clear
  B)
  Hydrolytic enzymes done clear
  C)
  Parasitic on nucleus done clear
  D)
  Proteolytic enzymes done clear
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• question_answer16)
  Secondary lysosomes are also called [BHU 1991]
  A)
  Autophagic vacuoles done clear
  B)
  Lipofuscin granules done clear
  C)
  Residual body done clear
  D)
  Heterophagosomes done clear
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• question_answer17)
  The "marker'' enzyme of lysosome is [BHU 1991]
  A)
  Lysozyme (muramidase) done clear
  B)
  Acid protease done clear
  C)
  Acid phosphatase done clear
  D)
  Beta-galactosidase done clear
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• question_answer18)
  Lysosomes are generally found in
  A)
  Animal cells done clear
  B)
  Plant cells done clear
  C)
  Both (a) and (b) done clear
  D)
  Bacterial cells done clear
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• question_answer19)
  A lysosome in which intracellular organells is digested is called
  A)
  Primary lysosome done clear
  B)
  Secondary lysosome done clear
  C)
  Autophagosome done clear
  D)
  None of the above done clear
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• question_answer20)
  Which of the following cell organelles is having single layered unit membrane [DPMT 1984; CPMT 1984; MP PMT 1995, 98; RPMT 1995; CBSE PMT 2001; CPMT 2005; J & K CET 2005]
  A)
  Centrosome done clear
  B)
  Lysosome done clear
  C)
  Mesosome done clear
  D)
  Nucleus done clear
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• question_answer21)
  Who discovered "ribosomes'' in animal cells [CPMT 1990; BHU 2001]
  A)
  Watson done clear
  B)
  Talvim done clear
  C)
  Cowdry done clear
  D)
  Palade done clear
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• question_answer22)
  Ribosomes, similar to those of bacteria, are found in [CBSE PMT 2001]
  A)
  Plant nuclei done clear
  B)
  Pancreatic mitochondria done clear
  C)
  Liver endoplasmic reticulum done clear
  D)
  Cardiac muscle cytoplasm done clear
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• question_answer23)
  Which of the following statements is wrong for ribosomes [RPMT 1999]
  A)
  Formed by two-sub units done clear
  B)
  Formed by ribo-protein done clear
  C)
  Formed in chain done clear
  D)
  Both sub-units are bounded by a membrane done clear
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• question_answer24)
  The larger sub-unit in 80 S ribosome is [MP PMT 1999]
  A)
  50 S done clear
  B)
  60 S done clear
  C)
  40 S done clear
  D)
  0 S done clear
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• question_answer25)
  Which type of ribosomes are found in Nostoc cells [MP PMT 1999]
  A)
  50 S done clear
  B)
  60 S done clear
  C)
  70 S done clear
  D)
  Eukaryotic done clear
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• question_answer26)
  The 80S ribosomes are present in [MP PMT 1996; CPMT 1998]
  A)
  Eucaryotic cells done clear
  B)
  Procaryotic cells done clear
  C)
  Bacterial cells done clear
  D)
  Cyanobacterial cells done clear
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• question_answer27)
  'Palade granules' are
  A)
  Ribosomes done clear
  B)
  Microbodies done clear
  C)
  Sulphur granules done clear
  D)
  Lipid granules done clear
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• question_answer28)
  Which of the following cell organelle lacks DNA and bounding membrane [AFMC 2002]
  A)
  Ribosome done clear
  B)
  Plastid done clear
  C)
  Nucleolus done clear
  D)
  Plasmid done clear
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• question_answer29)
  Which of the following organelle is called as "protein factory of the cell''
  A)
  Lysosome done clear
  B)
  Mitochondria done clear
  C)
  Golgi body done clear
  D)
  Ribosome done clear
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• question_answer30)
  Which of the following affects the association and dissociation of sub-units of ribosomes [RPMT 2001]
  A)
  Mg done clear
  B)
  Ca done clear
  C)
  Fe done clear
  D)
  K done clear
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• question_answer31)
  Non-membranous cell organelles are [MP PMT 1997; BVP 2004]
  A)
  Mitochondria done clear
  B)
  Endoplasmic reticulum done clear
  C)
  Ribosomes done clear
  D)
  Ribosomes and centrioles done clear
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• question_answer32)
  Ribosomes are found in  [MP PMT 2005]
  A)
  Cytoplasm done clear
  B)
  Nucleus done clear
  C)
  Cell wall done clear
  D)
  Golgibody done clear
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• question_answer33)
  If all the ribosomes of a cell are destroyed [DPMT 1987]
  A)
  Respiration will not take place done clear
  B)
  Photosynthesis will not occur done clear
  C)
  Fat will not be stored done clear
  D)
  Protein will not be formed done clear
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• question_answer34)
  In prokaryotic ribosome RNA - protein ratio is
  A)
  2 : 1 done clear
  B)
  1 : 1 done clear
  C)
  3 : 1 done clear
  D)
  None of these done clear
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• question_answer35)
  Which of the following organelles is present in bacterial cell
  A)
  Mitochondria done clear
  B)
  Ribosomes done clear
  C)
  Golgi complex done clear
  D)
  Endoplasmic reticulum done clear
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• question_answer36)
  70S type of ribosome shows two units whose sedimentation constants are [Orissa PMT 2002]
  A)
  40 S and 30 S done clear
  B)
  50 S and 20 S done clear
  C)
  50 S and 30 S done clear
  D)
  60 S and 20 S done clear
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• question_answer37)
  Which of the following structures carries out a similar function in both plant and animal cell
  A)
  Chloroplasts done clear
  B)
  Ribosomes done clear
  C)
  Cell wall done clear
  D)
  Contractile vacuoles done clear
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• question_answer38)
  Eukaryotic 80 S ribosome breaks into  [CPMT 1985; MP PMT 2000, 03]
  A)
  40 S and 40 S done clear
  B)
  60 S and 40 S done clear
  C)
  60 S and 50 S done clear
  D)
  50 S and 30 S done clear
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• question_answer39)
  Which of the following pairs is correct [CBSE PMT 1993]
  A)
  Svedberg unit ? Biomembranes done clear
  B)
  Polyribosomes ? RNA done clear
  C)
  Dictyosomes ? Suicidal sacs done clear
  D)
  Cisternae ? Mitochondria done clear
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• question_answer40)
  Ribosomes are attached to E.R. through [CPMT 1985]
  A)
  Riboplasm done clear
  B)
  rRNA done clear
  C)
  tRNA done clear
  D)
  Hydrophobic interaction done clear
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• question_answer41)
  What is the normal diameter of ribosomes
  A)
  \[\text{75}\overset{\text{o}}{\mathop{\text{A}}}\,\] done clear
  B)
  \[\text{100}\,\,\text{to}\,\,\text{200}\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\] done clear
  C)
  \[\text{200}\,\,\text{to}\,\,\text{300}\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\] done clear
  D)
  \[\text{500}\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\] done clear
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• question_answer42)
  Polyribosomes are aggregation of [DPMT 1984; BHU 1985, 88]
  A)
  Ribosomes and rRNA done clear
  B)
  Only rRNA done clear
  C)
  Peroxisomes done clear
  D)
  Several ribosomes held together by a stearing of mRNA done clear
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• question_answer43)
  Ribosomes are made up of [BHU 1987; CPMT 1984; MP PMT 1995, 98; BVP 2002; CPMT 2004]
  A)
  DNA and protein done clear
  B)
  DNA alone done clear
  C)
  RNA and protein done clear
  D)
  RNA and DNA done clear
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• question_answer44)
  Below a certain level of\[M{{g}^{++}}\]the two sub units of the ribosome
  A)
  Separates done clear
  B)
  Fuses done clear
  C)
  Divides done clear
  D)
  None of these done clear
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• question_answer45)
  Ribosomes of bacteria, mitochondria, prokaryotes and chloroplast are of [BHU 1985; DPMT 1984; MHCET 2001]
  A)
  50 S type done clear
  B)
  80 S type done clear
  C)
  70 S type done clear
  D)
  30 S type done clear
  View Solution play_arrow

• question_answer46)
  The functional unit in the synthesis of protein is [MP PMT 1994; CBSE PMT 1999]
  A)
  Peroxisome done clear
  B)
  Dictyosome done clear
  C)
  Lysosome done clear
  D)
  Polysome done clear
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• question_answer47)
  The site of protein synthesis in plants is the [CPMT 1986, 94; MP PMT 1994, 95, 2003; MDAT Bihar 1995; KCET 1999; CBSE PMT 1999; BVP 2001; BHU 2004; J & K CET 2005]
  A)
  Chloroplast done clear
  B)
  Ribosomes done clear
  C)
  Pyrenoids done clear
  D)
  Mitochondria done clear
  View Solution play_arrow

• question_answer48)
  The bacterial ribosomes are of  [MP PMT 1994; J&K CET 2002; Kerala PMT 2004]
  A)
  50 S type done clear
  B)
  70 S type done clear
  C)
  30 S type done clear
  D)
  80 S type done clear
  View Solution play_arrow

• question_answer49)
  All are membrane bound cell organelles except [AIIMS 1984; RPMT 1999; DPMT 2003] or Which of the following cell organelles lacks a unit membrane [MP PMT 1995, 98; RPMT 2002; J & K CET 2005]
  A)
  Mitochondria done clear
  B)
  Lysosomes done clear
  C)
  Sphaerosomes done clear
  D)
  Ribosomes done clear
  View Solution play_arrow

• question_answer50)
  Ribosomes that occur exclusively in mitochondria is  [DPMT 2004]
  A)
  70S done clear
  B)
  55S done clear
  C)
  30S done clear
  D)
  50S done clear
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• question_answer51)
  Ribosome mainly has [DPMT 2004]
  A)
  DNA done clear
  B)
  RNA done clear
  C)
  Carbohydrate done clear
  D)
  None of these done clear
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