
Qualifying Exam in Science - Grade 7

Quiz
•
Science
•
7th Grade
•
Hard
MARY OBREGON
Used 2+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Our knowledge of cellular organization is made possible by the development of more advanced powerful microscopes. Three attributes of compound microscopes are of particular importance; magnification, resolution, and contrast. Which of the mentioned attributes allows us to increase the actual size of the object being viewed?
Resolution
Contrast
Magnification
Combination
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A light microscope is capable of magnifying an object for up to 500 times better than that of the unaided human eye. Which two parts of the light microscope are used to magnify the image of an object?
Objectives and Ocular lens
Revolving nosepiece and coarse adjustment knob
Eyepiece and fine adjustment knob
Coarse and fine adjustment knobs
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All living things are composed of cells. Viewing these tiny cells and its tiny components is made possible by the development of a tool. What do you call the optical instrument that is used to magnify and view tiny objects?
Microscope
Telescope
Stethoscope
Cystoscope
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the objective lenses in a compound microscope?
To hold the slide in place
To magnify the specimen at different levels
To control the amount of light passing through
To support the base of the microscope
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the microscope supports the slide being observed?
Base
Arm
Stage
Diaphragm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the coarse and fine adjustment knobs?
To switch between objectives
To magnify the image
To adjust the focus of the image
To move the light source
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part connects the eyepiece to the objective lenses and maintains proper distance?
Base
Arm
Stage clips
Body tube
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