What I Know
1.
MULTIPLE CHOICE
Directions: Read each question carefully and choose the best answer from the
given choices A to D. Write the letter of your answer in your
Science activity notebook.
1. It is a tool which can help us see tiny objects and living organisms making
them look bigger
A Kaleidoscope C. Periscope
B. Microscope D. Telescope
2. Which of the following instruments would you use to see a plant cell?
A. Kaleidoscope C. Periscope
B. Microscope D. Telescope
3. It holds the objective lenses.
A. Adjustment knob C. Diaphragm
B. Aperture
D. Nosepiece
4. Which two parts of the light microscope magnify the image of an object?
A. Eyepiece and mirror
B. Eyepiece and objective
C. Objectives and mirror
D. Objectives and diaphragm
5. Which statement below describes the function of the diaphragm?
A It regulates the amount of light reflected in the object being viewed
B. It reflects light from the mirror, objects to be observed, and lenses
C. It changes the amount of light reflected
D. It focuses on the specimens in the glass slide​