NEET Biology Biotechnology And Its Applications Question Bank

done Critical Thinking Questions

• question_answer1) MRI was originally discovered in 1946 by

  A) Steptoe and Edwards

  B) Godfrey Hounsfield and Alan Cormack

  C) Bloch and Purcell

  D) Louis Sokoloff

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• question_answer2) In ultrasound, waves are produced by

  A) X-rays

  B) Piezoelectric effect

  C) Magnetic waves

  D) Sound effect

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• question_answer3) The electrode of a pacemaker comprises a fine metallic spring ensheathed in a thin layer of

  A) Plastic

  B) Copper

  C) Silver

  D) Granite

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• question_answer4) Which of the following is not a type of laser

  A) Hydrogen laser

  B) \[C{{O}_{2}}\]laser

  C) Neon laser

  D) Argon laser

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• question_answer5) Blood transfusion, if improperly carried out, can transmit serious diseases such as

  A) AIDS

  B) Hepatitis B

  C) Both a and b

  D) None of these

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• question_answer6) Positron emission tomography (PET) is one of the best methods for functional imaging because [AIIMS 2003]

  A) Isotopes with long half -lives are used

  B) Isotopes with short half -lives are used

  C) Positrons are directly involved used in imaging

  D) Isotopes of basic body elements are used for imaging

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• question_answer7) Electrocardiograph was developed by [Manipal 2003]

  A) Hans Berger

  B) Willem Kolff

  C) Willem Einthoven

  D) Wilhelm Roentgen

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• question_answer8) The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of [CBSE PMT 2004]

  A) Purkinje system

  B) Sinuatrial node

  C) Atrioventricular node

  D) Atrioventricular bundle

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• question_answer9) Which one of the following is correctly matched regarding an Institute and its location [AIIMS 2004]

  A) National Institute of Virology - Pune

  B) National Institute of Communicable Diseases - Lucknow

  C) Central drug Research Institute - Kasauli

  D) National Institute of Nutrition - Mumbai

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• question_answer10) Electron beam therapy is a kind of radiation therapy of treat [AIIMS 2004]

  A) Enlarged prostate gland

  B) Gall bladder stones by breaking them

  C) Certain types of cancer

  D) Kidney stones

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• question_answer11) Magnetic Resonance (MR) images are derived from the proton bearing species present principally from water and [AIIMS 2003]

  A) Long alkane chain protons of the fatty acid moieties

  B) Short alkane chain protons of the fatty acid moieties

  C) Long alkene chain protons of the fatty acid moieties

  D) Short alkene chain protons of the fatty acid moieties

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• question_answer12) The technique used for separating molecules by passing electric current [Kerala PMT 2004]

  A) Fractionation

  B) Centrifugation

  C) Electrophoresis

  D) ELISA

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• question_answer13) Name of the drug used in cancer treatment produced by using biotechnology is [Kerala PMT 2004]

  A) Terramycin

  B) HGH

  C) TSH

  D) Interferon

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