Tag: CSIR NET Life Science Previous Year Questions on METHODS IN BIOLOGY

8. Which of monochromatic light would you choose for the best resolution of light microscope. (A) Violet (B) Red (C) Blue (D) Green Correct Answer: A. Violet Violet light provides […]

7. During microscopy, if the diameter of an object is decreased then its resolving power will be: A. Increase in proportion to increase in radius B. Decrease in proportion to […]

6. Location of a specific protein is predicted in vivo accurately by which of the following techniques? A. Scanning electron microscopy B. Indirect immuno-fluorescence microscopy using monoclonal antibody against the […]

5. The most important property of any microscope is its power of resolution, which is numerically equivalent to D, the minimum distance between two distinguishable objects. D depends on three […]

4. A microscope can distinguish two closely situated points and the distance between those points is known as the ______ of the microscope. A. Magnification B. Illumination C. Resolving power […]

3. What would be the actual size of an object that appears as 2 µm when it is magnified 1000 times? A. 2 nm B. 20 nm C. 2 mm D. 20 µm  Correct […]

2. Function of scanning electron microscopy (SEM) is: A. To create a sense of depth B. To examine internal cellular structure C. To observe living specimens D. Both A and […]

1. Why does an electron microscope give higher magnifications than an optical microscope? A. Because the electrons have more energy than light particles B. Because the velocity of electrons is […]