6th Microscope & Cell

What is the total magnification of a microscope with two lenses when one lens has a magnification of 10x, and the other lens has a magnification of 30x?

• 15x
• 30x
• 45x
• 300x

A microscope is an instrument that.

• makes faraway objects look closer.
• makes small objects appear larger.
• decreases the size of small objects.
• increases the size of small objects

If the eyepiece of your scope has a power of 10, and the selected objective lens has a power of 20,what is the total magnification?

• 20x
• 30x
• 200x
• 2000x

When should the fine adjustment knob always be used?

• with the low power objective only
• with the medium power objective only
• with the high power objective only
• with both the medium and high power objectives

When you focus on a new specimen, always begin with

• low power and coarse adjustment.
• low power and fine adjustment
• high power and coarse adjustment
• high power and fine adjustment

Which order correctly displays the biological levels of organization from smallest to largest?

• cells -> organ -> molecule
• cells -> tissues -> organs
• molecules -> organs -> tissues
• organelles -> molecules -> organs

Tags

NGSS.MS-LS1-3

Structures specialized to perform distinct processes within a cell.

• proteins
• vesicles
• chloroplasts
• organelles

Tags

NGSS.MS-LS1-2

Which cell types have a nucleus?

• prokaryotes
• eukaryotes
• both
• neither

Which is an example of a prokaryotic cell?

• bacteria
• plant cell
• animal cell
• virus

Tags

NGSS.MS-LS1-1

Animals, plants, protists and fungi are all examples of:

• prokaryotes
• eukaryotes
• both
• neither