NEET Biology The Living World / जीव जगत Question Bank

done Tools and Technique Total Questions - 39

• question_answer1)
  Differentiation capacity of compound microscope is  [RPMT 1999]
  A)
  \[0.275\mu m\] done clear
  B)
  \[2.75\mu m\] done clear
  C)
  \[27.5\mu m\] done clear
  D)
  None done clear
  View Solution play_arrow

• question_answer2)
  Feulgen reaction a technique has been developed by Feulgen and Rossenbeck to study or to stain [BHU 1983; AFMC 1983]
  A)
  Proteins done clear
  B)
  Lipids done clear
  C)
  DNA done clear
  D)
  RNA done clear
  View Solution play_arrow

• question_answer3)
  The transmission electron microscope has a resolution of  [MP PMT 1993]
  A)
  2,000 nanometres done clear
  B)
  200 nanometres done clear
  C)
  2 nanometres done clear
  D)
  0.2 nanometre done clear
  View Solution play_arrow

• question_answer4)
  Electron microscope is used for     [Kerala CET 2003]
  A)
  Viewing structure of the cell done clear
  B)
  Whole mount study done clear
  C)
  Cell division study done clear
  D)
  Structure of the pollen grain done clear
  View Solution play_arrow

• question_answer5)
  A magnification of upto 100 million times is possible in  [CBSE PMT 2000; KCET 2001]
  A)
  Scanning electron microscope done clear
  B)
  Electron transmission microscope done clear
  C)
  Scanning probe microscope done clear
  D)
  Photon tunneling microscope done clear
  View Solution play_arrow

• question_answer6)
  Resolving power of light microscope  is [DPMT 2003]
  A)
  0.2 mm done clear
  B)
  0.1 mm done clear
  C)
  2 mm done clear
  D)
  100 mm done clear
  View Solution play_arrow

• question_answer7)
  Electron microscope has revealed the presence of or Which among the following can be seen only under electron microscope [CPMT 1976, 80, 81; NCERT 1979, 81; AFMC 1996; MP PMT 1998]
  A)
  Ribosome done clear
  B)
  Chromosome done clear
  C)
  Chloroplast done clear
  D)
  Leucoplast done clear
  View Solution play_arrow

• question_answer8)
  Who invented the "electron microscope''   [AFMC 2001; BVP 2002; Haryana PMT 2005]
  A)
  Knoll and Ruska done clear
  B)
  Robert Brown done clear
  C)
  Correns done clear
  D)
  Janssen and Janssen done clear
  View Solution play_arrow

• question_answer9)
  The part of a cell that can be seen with an electron microscope, but never with a light microscope is/are the
  A)
  Nucleus done clear
  B)
  Golgi bodies done clear
  C)
  Chloroplasts done clear
  D)
  Membrane separating the nucleus from the cytoplasm done clear
  View Solution play_arrow

• question_answer10)
  \[1nm\]is equal to [CPMT 1999; JIPMER 2001]
  A)
  \[10{\AA}\] done clear
  B)
  \[{{10}^{-3}}\,\,mm\] done clear
  C)
  \[{{10}^{-8}}m\] done clear
  D)
  \[100\mu m\] done clear
  View Solution play_arrow

• question_answer11)
  Which of the following statements is false [Manipal 1995]
  A)
  An angstrom is one-hundredth of a micron done clear
  B)
  Separation of proteins can be brought about by electrophoresis done clear
  C)
  The image produced by a compound microscope is virtual and erect done clear
  D)
  Unstained living cells and tissues studied under phase-contrast microscope done clear
  View Solution play_arrow

• question_answer12)
  Lignified cells are stained by
  A)
  Saffranine done clear
  B)
  Methyl blue done clear
  C)
  Acetocarmine done clear
  D)
  Light green done clear
  View Solution play_arrow

• question_answer13)
  An angstrom is equal to
  A)
  \[{{10}^{-10}}m\] done clear
  B)
  \[{{10}^{-9}}m\] done clear
  C)
  \[{{10}^{-8}}m\] done clear
  D)
  \[{{10}^{-5}}m\] done clear
  View Solution play_arrow

• question_answer14)
  The smallest size of a cell which can be seen with unaided eye is or differentiation capacity of human eye is  [RPMT 1999]
  A)
  1 micron done clear
  B)
  10 micron done clear
  C)
  100 micron done clear
  D)
  1000 micron done clear
  View Solution play_arrow

• question_answer15)
  Ultrastructure of cell can be best studied by [CBSE PMT 1999; MP PMT 2003]
  A)
  Autoradiography done clear
  B)
  X-ray diffraction method done clear
  C)
  Phase contrast microscope done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer16)
  The correct order of sedimentation of sub-cellular structure during differential centrifugation is
  A)
  Lysosome ® Mitochondria ® Nucleus ® Ribosome done clear
  B)
  Mitochondria ® Nucleus ® Lysosome ® Ribosome done clear
  C)
  Nucleus ® Mitochondria ® Lysosome ® Ribosome done clear
  D)
  Lysosome ® Ribosome ® Mitochondria ® Nucleus done clear
  View Solution play_arrow

• question_answer17)
  Which one of the following is a vital stain
  A)
  Janus green - B done clear
  B)
  Neutral red done clear
  C)
  Methylene blue done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer18)
  Cellulosic cell wall can be specifically stained by
  A)
  Zinc chloride done clear
  B)
  Fluoroglucinol done clear
  C)
  Methyl blue done clear
  D)
  Sudan IV done clear
  View Solution play_arrow

• question_answer19)
  Mitochondria in the living cell can readily be identified from other organelles of the cell through light microscope by using
  A)
  Cotton blue done clear
  B)
  Osmic acid done clear
  C)
  Janus green - B done clear
  D)
  Lead citrate done clear
  View Solution play_arrow

• question_answer20)
  If a biochemical analysis of mitochondria is to be done, the best procedure would be    [AIIMS 1984; BHU 1984]
  A)
  Grind the cell and filter out the mixture and take the debris done clear
  B)
  Subject the cells to cell differentiation (centrifuge) and obtain mitochondria done clear
  C)
  Select cells which have a large number of mitochondria done clear
  D)
  Plasmolyse the cell, filter it and take the debris done clear
  View Solution play_arrow

• question_answer21)
  Tracer elements are [MP PMT 2002]
  A)
  Radioisotopes done clear
  B)
  Vitamins done clear
  C)
  Microelements done clear
  D)
  Macroelements done clear
  View Solution play_arrow

• question_answer22)
  Feulgen positive reactions are shown by
  A)
  Mitochondria done clear
  B)
  Chloroplasts done clear
  C)
  Nucleus done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer23)
  Which of the following isotope is non-radioactive [DPMT 1982, 84]
  A)
  \[{{C}^{14}}\] done clear
  B)
  \[{{P}^{31}}\] done clear
  C)
  \[{{H}^{3}}\] done clear
  D)
  \[{{S}^{35}}\] done clear
  View Solution play_arrow

• question_answer24)
  Chromosomal network can not be stained by
  A)
  Haematoxilin done clear
  B)
  Crystal voilet done clear
  C)
  Carmine done clear
  D)
  Feulgen stain done clear
  View Solution play_arrow

• question_answer25)
  Microtome was developed by [MHCET 2001]
  A)
  Talbot done clear
  B)
  Brogy done clear
  C)
  Merten done clear
  D)
  W. His done clear
  View Solution play_arrow

• question_answer26)
  HPLC stands for  [BVP 2002]
  A)
  High performance liquid chromatography done clear
  B)
  Heavy partical liquid chromatography done clear
  C)
  Heat power liquid chromatography done clear
  D)
  High potential low chromatography done clear
  View Solution play_arrow

• question_answer27)
  High wavelength UV rays are used in  [AMU 1989; JIPMER 1997]
  A)
  Fluorecent microscope done clear
  B)
  Polarising microscope done clear
  C)
  Ultraviolet microscope done clear
  D)
  Phase contrast microscope done clear
  View Solution play_arrow

• question_answer28)
  Electron microscope is made up of [MP PMT 2004]
  A)
  Objective and ocular lenses done clear
  B)
  Polarizer and analyzer filters done clear
  C)
  Electromagnetic lenses done clear
  D)
  Fluorochromes done clear
  View Solution play_arrow

• question_answer29)
  In confocal microscope, the specimen is illuminated by  [Orissa JEE 2004]
  A)
  UV ray done clear
  B)
  Laser beam done clear
  C)
  Electron flow done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer30)
  One micrometer is a unit equivalent to [DPMT 2004]
  A)
  \[{{10}^{-3}}m\] done clear
  B)
  \[{{10}^{-6}}m\] done clear
  C)
  \[{{10}^{-9}}m\] done clear
  D)
  \[{{10}^{-12}}m\] done clear
  View Solution play_arrow

• question_answer31)
  Which lenses in electron microscope are used to control and focus a [DPMT 2004]
  A)
  Convex lens done clear
  B)
  Concave lens done clear
  C)
  Electric lens done clear
  D)
  Magnetic lens done clear
  View Solution play_arrow

• question_answer32)
  Which of the following is used for observing spindle fibres [DPMT 2004]
  A)
  Dark field microscope done clear
  B)
  Phase contrast microscope done clear
  C)
  Polarisation microscope done clear
  D)
  Scanning transmission electron microscope done clear
  View Solution play_arrow

• question_answer33)
  Following technique uses radioactive precursors for observing metabolic activities of macromolecules, is  [DPMT 2004]
  A)
  Chromatography done clear
  B)
  Density gradient centrifugation or cell fractionation done clear
  C)
  Autoradiography done clear
  D)
  Electron microscope done clear
  View Solution play_arrow

• question_answer34)
  Which of the following technique, other than microscopy is used for study of cell [BHU 2004]
  A)
  Obliteration done clear
  B)
  Plasmolysis done clear
  C)
  Chromatography done clear
  D)
  Autoradiography done clear
  View Solution play_arrow

• question_answer35)
  In light microscope, the clearest structure of a mature cell is [AMU 2005]
  A)
  Chloroplast done clear
  B)
  Peroxisome done clear
  C)
  Cell wall done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer36)
  Pure fractions of cellular components can be isolated by [Kerala CET 2005]
  A)
  Chromatography done clear
  B)
  Scanning electron microscopy done clear
  C)
  X-ray diffraction done clear
  D)
  Differential centrifugation done clear
  E)
  Autoradiography done clear
  View Solution play_arrow

• question_answer37)
  Scientists were able to pinpoint the location of colour processing centres in the visual cortex of the brain by means of [Kerala PMT 2005]
  A)
  PET done clear
  B)
  NMR done clear
  C)
  CT done clear
  D)
  X- ray done clear
  E)
  Ultra sound imaging done clear
  View Solution play_arrow

• question_answer38)
  A student wishes to study the cell structure under a light microscope having \[10X\] eyepiece and\[45X\]objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution   [CBSE PMT 2005]
  A)
  Blue done clear
  B)
  Green done clear
  C)
  Yellow done clear
  D)
  Red done clear
  View Solution play_arrow

• question_answer39)
  Svedberg got noble price for which of the following discovery [AMU 2005]
  A)
  Ultra-centrifuge done clear
  B)
  Electron microscope done clear
  C)
  Phase contrast microscope done clear
  D)
  None of these done clear
  View Solution play_arrow