NEET Biology Tools And Techniques Multiple Choice Questions

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NEET Biology Tools And Techniques Multiple Choice Questions

Question 1. Fluorescent dye bonded to monoclonal antibodies is used to locate particular:

  1. Cell proteins
  2. Cells
  3. Diseased parts
  4. Organs of defence.

Answer: 1. Cell proteins

Question 2. The scientists who developed the technique of keeping tissue and organs alive outside the body are:

  1. Ringer
  2. Cannon
  3. Lorenty
  4. Binning and Rohrer.

Answer: 1. Ringer

Read and Learn More NEET Biology Multiple Choice Question and Answers

Question 3. The Electron microscope has revealed the presence of:

  1. Chloroplasts
  2. Leucoplasts
  3. Ribosomes
  4. Chromosomes.

Answer: 3. Ribosomes

Tools and Techniques MCQs For NEET

Question 4. Magnification of a “compound microscope” does not depend upon :

  1. The focal length of the objective
  2. The focal length of the eyepiece
  3. Tube length of the microscope
  4. Numerical aperture of the objective.

Answer: 4. Numerical aperture of objective.

Question 5. For studying the metabolism of deoxyribonucleic acid, an autoradiographic technique is used involving:

  1. Tritiated uridine
  2. Tritiated thymidine
  3. Tritiated mannose
  4. Tritiated amino acids.

Answer: 2. Tritiated thymidine

Question 6. Phase contrast microscope was designed by:

  1. Tolles
  2. Zernicke
  3. Hooke
  4. Zsigmondy.

Answer: 1. Tolles

Question 7. Scanning electron microscope (sem) is primarily used for :

  1. 3-D external surface only
  2. 3-D internal study of tissue
  3. 2-D external study
  4. 2-D internal study.

Answer: 1. 3-D external surface only

Question 8. In a microscope. A lens closer to the eye is called :

  1. Ocular
  2. Eye piece
  3. Both 1 & 2
  4. Oculomotor.

Answer: 1. Eyepiece

Question 9. The electron microscope is made up of :

  1. Fluorochromes
  2. Polariser and analyser filter
  3. Electromagnetic lenses
  4. Objective and ocular lenses.

Answer: 3. Electromagnetic lenses

Tools and Techniques MCQs For NEET

Question 10. Angstrom, the unit of measurement in the transmission electron microscope , is equal to :

  1. 0.01tim
  2. 0.001pm
  3. 0.0001pm
  4. 0.00001pm.

Answer: 3. 0.0001pm

Question 11. The resolving power of an electron microscope is :

  1. 1A
  2. 10a
  3. 100A
  4. 10004.

Answer: 2. 10a

Question 12. Knoll and Ruska first designed the electron microscope in the year:

  1. 1932
  2. 194S
  3. 1941
  4. 1900.

Answer: 1. 1932

Question 13. Among the following isotopes, which is not radioactive?

  1. C-o
  2. P-
  3. H
  4. O-.

Answer: 4. O-.

Question 14. X-ray crystallography is used to study :

  1. Structure of lipids
  2. Composition of proteins and nucleic acids
  3. Arrangement of proteins
  4. Three-dimensional structure of proteins.

Answer: 2. Composition of proteins and nucleic acids

NEET Biology Tools And Techniques Questions

Question 15. One of the important techniques used to study the synthesis of molecules and to trace the metabolic pathway or events in cells is:

  1. Autoradiography
  2. Microspectrophotometry
  3. Calorimetry
  4. Chromatography.

Answer: 1. Autoradiography

Question 16. Resolution power is the ability to :

  1. Distinguish two close points
  2. Distinguish two close objects
  3. Distinguish amongst organelles
  4. Magnify images.

Answer: 1. Distinguish two close points

Question 17. What will you call the study of plants and animals outside the body in a glass tube?

  1. In vivo
  2. In vitro
  3. Innate
  4. Desperate.

Answer: 2. Innate

Question 18. When biologists wish to study the internal ultrastructure of cells, they most likely would use :

  1. A good modern light microscope
  2. A scanning electron microscope
  3. A transmission electron microscope
  4. None of the above.

Answer: 3. A transmission electron microscope

Question 19. Living cells can be studied by :

  1. Phase contrast microscope
  2. Fluorescent microscope
  3. Electron microscope
  4. Light microscope.

Answer: 1. Phase contrast microscope

NEET Biology Tools And Techniques Questions

Question 20. The method most frequently used to determine the molecular weight of proteins is :

  1. X-ray diffraction
  2. Classical chemistry
  3. Ultra-centrifugation
  4. Both 1 and 2.

Answer: 3. Ultra-centrifugation

Biotechnology Principles and Processes MCQ for NEET Question 21. Which of the following techniques other than a microscope

  1. Plasmolysis
  2. Maceration
  3. Chromatography
  4. Auto-radiography.

Answer: 4. Auto-radiography.

Question 22. The electron microscope differs from the ordinary microscope in having resolving power due to the use of:

  1. Electrons, which have a longer wavelength than ordinary light, as the source of illumination
  2. Ultraviolet light as the source of illumination
  3. Fast electrons which have shorter wavelengths than ordinary light rays as the source of illumination
  4. Gamma rays as the source of illumination.

Answer: 3. Fast electrons which have shorter wavelengths than ordinary light rays as the source of illumination

Question 23. A student wants to study the metaphysic behaviour of chromosomes/chromosomes in a living cell. The technique most suitable is:

  1. Phase contrast microscope
  2. Scanning electron microscope
  3. X-ray microscope
  4. Cell fractionation.

Answer: 1. Phase contrast microscope

Question 24. What is the primary objective of cell fractionation?

  1. To view the structure of cell membranes
  2. To identify the enzymes outside the organelles
  3. To determine the size of various organelles
  4. To separate the organelles.

Answer: 4. To separate the organelles.

Biotechnology Tools MCQs For NEET

Question 25. High-wavelength UV rays are used in:

  1. Fluorescent microscope
  2. Polarising microscope
  3. Ultraviolet microscope
  4. Phase-contrast microscope.

Answer: 1. Fluorescent microscope

Question 26. The pattern of protein binding on dna can be studied by

  1. Light microscope
  2. Electron microscope
  3. Ultracentrifugation
  4. X-ray crystallography.

Answer: 4. X-ray crystallography.

Question 27. Fundamentally a dead cell differs from a living cell when seen under a phase contrast microscope because:

  1. It has become separated from other cells
  2. Its vital forces have been destroyed
  3. A change in its surrounding environment has occurred
  4. A change in its specific organization has occurred.

Answer: 2. Its vital forces have been destroyed

Question 28. The part of a cell that can be seen with an electron microscope, but never with a light microscope is/are the:

  1. Nucleus
  2. Golgi bodies
  3. Chloroplasts
  4. Mebrane separating the nucleus from the cytoplasm

Answer: 3. Chloroplasts

NEET Previous Year Questions On Lab Techniques

Question 29. A lab technician spun a cell suspension from leaf tissue in a centrifuge in a slurry of sucrose at a speed that formed a bright green band about halfway down the solution in the tube. In what fraction would you expect to find the nuclei?

  1. In a pellet at the bottom of the tube
  2. In the green band
  3. In a dark band above the green band
  4. In the supernatant.

Answer: 1. In a pellet at the bottom of the tube

Question 30. You have developed a stain that colours alpha and beta tubulin a bright orange colour. When the stain is ap- plied to non-dividing leaf cells, what area of the cell would you expect to be orange when viewed with a light microscope?

  1. The nucleus
  2. The cell wall adjacent to the surface of the plasma membrane
  3. The cytoskeleton
  4. Flagella.

Answer: 4. Flagella.

Question 31. A cytologist must decide what type of microscope to purchase for his laboratory. The lab examines fibres and hairs. And other forensic evidence as whole specimens. As the microscope salesperson, you suggest that he should buy:

  1. A light microscope with a resolution power of 1 nm.
  2. A scanning electron microscope.
  3. A transmission electron microscope with a maximum magnification of 1,000 x.
  4. An electron microscope with resolution power of about 2 nanometres.

Answer: 2. A transmission electron microscope with a maximum magnification of 1,000 x.

NEET Biology MCQ Test  Question 32. Cellulose in a cell is stained by :

  1. Ivlethylene blue
  2. Zinc chloro-iodide
  3. Sudan iv
  4. Ruthenium red.

Answer: 2. Zinc chloro-iodide

Question 33. Elisa is used to detecting viruses where the key reagent is:

  1. Catalase
  2. Osmic acid
  3. Acetylcholinesterase
  4. Alkaline phosphate.

Answer: 4. Alkaline phosphate.

Question 34. A fluorescence microscope is used to:

  1. Increase resolving power
  2. Localise cell components
  3. Obtain x-ray dif1iaction pattern of dna
  4. Study cells and their components in a living state using phase differences in light rays.

Answer: 2. Localise cell components

NEET Previous Year Questions On Lab Techniques

Question 35. Cell organelles can be separated by :

  1. Differential centrifugation
  2. Autoradiography
  3. Thin section microtomy
  4. X-ray diffraction.

Answer: 1. Differential centrifugation

Question 36. If a biochemical analysis of mitochondria is to be done, the best procedure would be:

  1. Subject the cells to cell fractionation (centrifuge) and obtain mitochondria.
  2. Grind the cell filter out the mixture and take the debris
  3. Plasmolyse the cells, filter them and take the debris
  4. Select cells which have a large number of mitochondria.

Answer: 4. Select cells which have a large number of mitochondria.

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