Qualifying Exam in Science - Grade 7

Qualifying Exam in Science - Grade 7

7th Grade

30 Qs

quiz-placeholder

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Qualifying Exam in Science - Grade 7

Qualifying Exam in Science - Grade 7

Assessment

Quiz

Science

7th Grade

Hard

Created by

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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