Microscope And Cell Quiz

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| By Swimr1

Swimr1

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Quizzes Created: 1 | Total Attempts: 1,939

Questions: 13 | Attempts: 1,954 | Updated: Mar 21, 2023

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A quiz for tomorrow's microscope and cell quiz.

Questions and Answers

1.

Characteristics of a compound microscope
- A.
  
  Two lenses inside the microscope (eye or ocular lens)
- B.
  
  Two lenses inside the microscope (ocular or viewing)
- C.
  
  One lense in the microscope (ocular)
- D.
  
  Two lenses inside the microscope (eye lense or ocular lense) and objective lense
Correct Answer
D. Two lenses inside the microscope (eye lense or ocular lense) and objective lense

Explanation
The correct answer is that a compound microscope has two lenses inside it, specifically the eyepiece lens (also known as the ocular lens) and the objective lens. These lenses work together to magnify the image of the specimen being observed. The objective lens is closer to the specimen and provides the initial magnification, while the eyepiece lens further magnifies the image for the viewer. This combination of lenses allows for higher magnification and resolution compared to a simple microscope with only one lens.

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2.

How does a light microscope work?
- A.
  
  Uses light to view a thin object or slice of object to see details
- B.
  
  Uses light to view cork cells
- C.
  
  Uses an electron beam to produce radiation which enlarges the cells to 5 million times the original size
- D.
  
  Uses Ultraviolet waves to produce a visual image of a living thing
Correct Answer
A. Uses light to view a thin object or slice of object to see details

Explanation
A light microscope works by using light to view a thin object or slice of an object in order to see details. Light passes through the object, is refracted by the lenses in the microscope, and then forms an image that can be viewed through the eyepiece or captured by a camera. This allows scientists to observe and study the structure and characteristics of the object at a microscopic level.

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3.

As magnification increases, more details can be seen.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
As the magnification increases, more details can be seen because the object being observed appears larger and closer. This allows for a better view of smaller and finer details that may not be visible at lower magnifications.

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4.

Limits of the resolution of magnification are
- A.
  
  Fuzzy viewing
- B.
  
  The microscope ceases to function
- C.
  
  The coarse lense becomes stuck.
- D.
  
  Both A and C
Correct Answer
A. Fuzzy viewing

Explanation
The limits of the resolution of magnification are fuzzy viewing. This means that when the magnification is increased beyond a certain point, the image viewed through the microscope becomes blurred and unclear. This is because the microscope is unable to distinguish fine details and resolve them properly. The resolution of a microscope is determined by its ability to distinguish two closely spaced objects as separate entities, and when the magnification exceeds the limits of resolution, the image quality deteriorates and becomes fuzzy.

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5.

Resolution is the capacity to distinguish the individual parts of an object
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Resolution refers to the ability to distinguish or resolve individual parts or details of an object. It is a measure of the level of detail that can be captured or perceived in an image or display. A higher resolution means that more individual parts or details can be distinguished, while a lower resolution means that fewer details can be resolved. Therefore, the statement that resolution is the capacity to distinguish the individual parts of an object is true.

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6.

Resolution is the viewing ability of a microscope.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The statement is false because resolution is not the viewing ability of a microscope. Resolution refers to the ability of a microscope to distinguish between two closely spaced objects as separate entities. It is a measure of the clarity and sharpness of the image produced by the microscope. The viewing ability of a microscope is determined by factors such as magnification, lighting, and the quality of the lenses used.

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7.

The compound light microscope's resoltion limit is _______ times magnification

Correct Answer
2000

Explanation
The resolution limit of a compound light microscope is directly proportional to its magnification. In other words, the higher the magnification, the better the resolution. Therefore, if the resolution limit is 2000 times magnification, it means that the microscope can distinguish two objects that are 2000 times smaller than the smallest object visible to the naked eye. This high magnification allows for detailed observations of tiny structures and cells that cannot be seen with the naked eye.

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8.

Ways to enhance the viewing of an object through a light micrsope are...
- A.
  
  Adding dyes or stains
- B.
  
  Adjust the retina of the eye
- C.
  
  Both A and B
Correct Answer
A. Adding dyes or stains

Explanation
Adding dyes or stains can enhance the viewing of an object through a light microscope because they increase the contrast between different structures or components of the object. This allows for better visualization and identification of specific features or details that may be difficult to see with the naked eye. Adjusting the retina of the eye, on the other hand, does not directly enhance the viewing of an object through a light microscope. Therefore, the correct answer is adding dyes or stains.

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9.

Describe the advantage of using a light microscope
10.

When was the electron microscope invented and perfected?
- A.
  
  1885
- B.
  
  Early 1900s
- C.
  
  1964
- D.
  
  2003
Correct Answer
B. Early 1900s

Explanation
The electron microscope was invented and perfected in the early 1900s. This breakthrough in microscopy occurred during this time period, allowing scientists to observe objects at a much higher resolution than was possible with traditional light microscopes. The development of the electron microscope revolutionized scientific research and greatly expanded our understanding of the microscopic world.

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11.

Electron microscopes are used to study great details of surfaces and interior structures of cells
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Electron microscopes are powerful tools that use a beam of electrons to visualize extremely small objects with high resolution. Unlike light microscopes, electron microscopes can provide detailed information about the surfaces and internal structures of cells. By using electron beams instead of light, electron microscopes can achieve much higher magnification and resolution, allowing scientists to study cells at a level of detail not possible with other types of microscopes. Therefore, the statement that electron microscopes are used to study great details of surfaces and interior structures of cells is true.

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12.

Transmission Electron Microscope
- A.
  
  TEM; Highest Magnification, views slices of cells
- B.
  
  TEM; Lowest Magnification, views cork
- C.
  
  TEM; Lowest Magnification, views slices of cells
Correct Answer
A. TEM; Highest Magnification, views slices of cells

Explanation
The correct answer is TEM; Highest Magnification, views slices of cells. Transmission Electron Microscopes (TEMs) are used to view the internal structure of cells and other specimens at a very high magnification. By using a beam of electrons to pass through a thin slice of the specimen, TEMs can produce detailed images of the cell's internal structures, such as organelles and membranes. This allows scientists to study the fine details and organization of cells at a level not possible with other microscopes.

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13.

What are the magnification ranges of Transmission electron microscopes (TEM) and Scanning electron microscopes? (SEM)
- A.
  
  10,000 times to 99,999 times for SEM; 100,000-500,000 times for TEM
- B.
  
  100,000-2,000,000 for both
- C.
  
  10,000 times to 99,999 times for SEM; 100,000-2,000,000 times for TEM
- D.
  
  Both have no minimum and a highest magnification of 100,000
Correct Answer
C. 10,000 times to 99,999 times for SEM; 100,000-2,000,000 times for TEM

Explanation
The correct answer is 10,000 times to 99,999 times for SEM; 100,000-2,000,000 times for TEM. This means that the magnification range for a scanning electron microscope (SEM) is between 10,000 and 99,999 times, while the magnification range for a transmission electron microscope (TEM) is between 100,000 and 2,000,000 times.

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Nov 15, 2011

Quiz Created by
Swimr1

Microscope And Cell Quiz

Characteristics of a compound microscope

How does a light microscope work?

As magnification increases, more details can be seen.

Limits of the resolution of magnification are

Resolution is the capacity to distinguish the individual parts of an object

Resolution is the viewing ability of a microscope.

The compound light microscope's resoltion limit is _______ times magnification

Ways to enhance the viewing of an object through a light micrsope are...

Describe the advantage of using a light microscope

When was the electron microscope invented and perfected?

Electron microscopes are used to study great details of surfaces and interior structures of cells

Transmission Electron Microscope

What are the magnification ranges of Transmission electron microscopes (TEM) and Scanning electron microscopes? (SEM)