WorksheetsScience 7
Total questions: 10
Worksheet time: 5mins
When viewing a sample of onion cells using a microscope, the student placed the cells on a slide and placed a coverslip over it. What is the purpose of the coverslip?
A. To protect the onion.
B. To keep the cells flat.
C. To make sure the onion cells do not fall of the slide.
D. To get a better view of the cells.
2. If the eyepiece of a microscope magnifies by 10, and the objective lens magnifies by 4, then what is the total magnification of the microscope?
A. 50
B. 160
C. 40
D. 80
3. This is turned to bring the object being viewed closer. Which part of the microscope is this?
A. Objective Lens
B. Coverslip
C. Eyepiece Lens
D. Focus Knob
Which two parts of a microscope combine to give a magnified view of a cell?
Eyepiece and objective lens
Light source and objective lens
Eyepiece and focus knob
Stage and eyepiece
Which one of the following instruments would you use to see a plant cell?
Periscope
Microscope
Scanner
Stethoscope
This microscope has 3 draw tubes with lenses placed at the end of the tubes. It is also the first ever known microscope. What is this?
Confocal Microscope
Basic Microscope
Jansen l Microscope
Transmission Electron
Scanning Electron Microscope has this basic function. Which of the following is it?
This microscope transmits a beam of electrons through the sample to form an image and can be used for viewing thin samples.
This microscope uses mirrors to collect light that illuminates the image and uses two lenses for magnification.
This microscope produces images by scanning the surface of a sample using electron beams.
This microscope reflects abundant light for more visible sample because it has the most number of lens.
This type of microscope uses a dye to create magnified and contrasting images.
Fluorescence Microscope
Pigment Microscope
Confocal Microscope
Electron Beam Microscope
Microscope it used to magnify very small objects. How does it help in scientific basis?
It is used to reduce the size of an object or microorganisms.
It is used to see far away objects clearly.
It is used to relive, distinguish and magnify objects, specimen or microorganism at cellular level which our eyes alone cannot perceive
It is used to visualize organisms in an undetailed manner.
Which of the following made up matter?
Cells
Organelles
Organs
Atoms
