A) To magnify small objects B) To dissect specimens C) To measure distances D) To illuminate a room
A) Objective lens B) Stage C) Eyepiece D) Condenser
A) Objective lens B) Condenser lens C) Eyepiece D) Diaphragm
A) Fine adjustment knob B) Coarse adjustment knob C) Condenser adjustment knob D) Stage adjustment knob
A) To adjust the light intensity B) To focus the image C) To hold the slide in place D) To move the stage
A) Diaphragm B) Eyepiece C) Objective lens D) Coarse focus knob
A) The lenses are all made of glass B) The image stays in focus when changing objectives C) The magnification is consistent D) The image is always perfectly clear
A) By the eyepiece B) With one hand on the arm and the other under the base C) By the objective lenses D) By the stage
A) Cloth B) Lens paper C) Facial tissue D) Paper towel
A) Stage adjustment knob B) Coarse adjustment knob C) Fine adjustment knob D) Condenser adjustment knob
A) 1040x B) 400x C) 50x D) 4x
A) Place a drop of liquid on the slide B) Clean the slide C) Add stain to the specimen D) Place the coverslip on the slide
A) To magnify the specimen B) To hold the slide in place C) To flatten the specimen and protect the objective lens D) To add contrast to the specimen
A) Transmission electron microscope B) Scanning electron microscope C) Phase contrast microscope D) Compound microscope
A) To reduce the amount of light needed B) To increase resolution at high magnification C) To stain the specimen D) To clean the objective lens
A) Highest power objective B) Lowest power objective C) Any objective D) Oil immersion objective
A) The depth of focus B) The brightness of the image C) The ability to distinguish between two closely spaced objects D) The magnification power of the microscope
A) Increase the magnification B) Clean the eyepiece C) Add more stain D) Check the light source and objective lens position
A) Controls the light source B) Supports the body tube and is used for carrying C) Supports the stage D) Holds the objective lenses
A) Provides a stable platform for the microscope B) Adjusts the focus C) Holds the objective lenses D) Contains the light source
A) The brightness of the light source B) The visible area seen through the eyepiece C) The objective lens in use D) The magnification power
A) The length of the microscope arm B) The distance between the objective lens and the specimen C) The field of view diameter D) The distance between the eyepieces
A) To prevent the specimen from moving out of the field of view B) To reduce the amount of light needed C) To increase the resolution D) To improve the contrast
A) The size of the specimen being observed B) A measure of how much light bends when it passes from one medium to another C) The strength of the objective lens D) The amount of light produced by the light source
A) To minimize light refraction and improve resolution B) To clean the objective lens C) To act as a mounting medium for the specimen D) To enhance the color of the specimen
A) The field of view diameter B) The distance between the lens and the specimen C) A measure of the lens' ability to gather light and resolve fine specimen detail D) The magnification power of the lens
A) A technique for optimizing the light path in a microscope to produce a high-quality image B) A type of stain used in microscopy C) A type of microscope objective D) A method for cleaning microscope lenses
A) Polarized light is used to illuminate the specimen B) Fluorescent light is used to illuminate the specimen C) Light is scattered by the specimen and enters the objective lens D) Direct light passes through the specimen
A) To perform microsurgery B) To visualize specific structures or molecules within a cell or tissue C) To measure the electrical properties of a cell D) To observe the surface topography of a specimen
A) To measure the size of cells B) To cut thin sections of tissue for microscopy C) To mix reagents for staining D) To sterilize microscope slides |