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2.3 Notes

2.3 Notes

Assessment

Presentation

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Biology

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7th Grade

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Practice Problem

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Easy

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NGSS
MS-LS1-1, HS-LS1-3, MS-LS1-2

Standards-aligned

Created by

Andrea Incalcaterra

Used 7+ times

FREE Resource

23 Slides • 15 Questions

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Multiple Choice

What is the definition of a cell?

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A cell is a type of tissue in the body.
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A cell is the basic unit of structure and function in living things.

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A cell is a small organ that performs specific functions.
4
A cell is a collection of molecules that cannot replicate.

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Multiple Choice

Some functions of organisms include

1

obtaining oxygen and food, getting rid of waste, growing

2
Sensation, mutation, aging
3
Communication, adaptation, excretion
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Photosynthesis, digestion, locomotion

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Fill in the Blank

Until the late 1600s, no one knew cells existed because there was no way to ________ them.

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Fill in the Blank

The invention of the ______________ made it possible to discover and learn about cells.

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Multiple Choice

What is the difference between a simple and compound microscope?

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The main difference is that a simple microscope has one lens, whereas a compound microscope has two or more lenses.
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A simple microscope has a fixed focus, whereas a compound microscope has adjustable focus.
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A simple microscope is used for viewing large objects, while a compound microscope is for small objects.
4
A simple microscope uses a mirror, while a compound microscope uses a light source.

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Multiple Choice

Who was the first person to observe cells? He determined that these cells were no longer living.

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Anton van Leeuwenhoek
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Louis Pasteur
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Gregor Mendel
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Robert Hooke

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Multiple Choice

Who was the first to observe unicellular organisms? He built a simple microscope.

1
Robert Hooke
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Louis Pasteur
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Charles Darwin
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Antonie van Leeuwenhoek

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Multiple Choice

What did Matthias Schleiden conclude regarding cell theory?

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All animals are made of cells.
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Only some plants are made of cells.
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Cells are not the basic unit of life.
4
All plants are made of cells.

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Multiple Choice

What did Theodor Schwann conclude regarding cell theory?

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Only multicellular organisms are made of cells.
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All cells are identical in structure and function.
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Cells can arise spontaneously from non-living matter.
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All animals are made up of cells. Therefore all living things are made of cells.

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Multiple Choice

What did Rudolf Virchow contribute to the cell theory?

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All cells arise from pre-existing cells.
2
All cells are identical in structure and function.
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Cells can spontaneously generate from energy.
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All cells are created from non-living matter.

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Multiple Select

The cell theory states the following (mark all that apply):

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All living things are made of cells.

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All cells are made up of many cells.

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All cells are produced from existing cells.

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Cells are the basic unit of structure and function in living things.

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Multiple Choice

How do compound light microscopes produce an image?

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They rely on ultraviolet light to illuminate the specimens.
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They function by reflecting light off the surface of the specimens.
3
They use a single lens to magnify specimens through electron beams.
4
Compound light microscopes work by using multiple lenses to magnify specimens through light transmission.

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Multiple Choice

How do you calculate total magnification?

1
Total magnification = Objective magnification x Eyepiece magnification
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Total magnification = Objective magnification + Eyepiece magnification
3
Total magnification = Objective magnification / Eyepiece magnification
4
Total magnification = Eyepiece magnification - Objective magnification

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Multiple Choice

Define resolution (in magnification):

1

Resolution is the ability to clearly distinguish the individual parts of an object.

2
Resolution is the size of the lens used in magnification.
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Resolution is the total magnification of an image.
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Resolution refers to the brightness of a magnified image.

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Multiple Choice

How does an electron microscope produce an image?

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It captures images using sound waves.
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It uses visible light to magnify the sample.
3

An electron microscope produces an image by using a beam of electrons instead of light.

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It relies on chemical reactions to create images.
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