Microscopic World Quiz

What is the primary difference between a porcupine quill and human hair?

• Quills are longer than human hair.

• Quills are softer than human hair.

• Quills are more colorful than human hair.

• Quills are thicker and more rigid than human hair.

Why do porcupine quills remain embedded in an animal once they penetrate?

• They are magnetically charged.

• They have tiny scales that point towards the root.

• They are coated with a sticky substance.

• They are barbed like fish hooks.

How do the scales on a porcupine quill assist in its function?

• They make the quill more colorful.

• They help the quill to bend easily.

• They allow the quill to penetrate and stay in the skin.

• They make the quill softer.

What is the main advantage of using a compound microscope over a dissecting microscope?

• It is more portable.

• It provides a wider field of view.

• It offers higher magnification.

• It is easier to use.

What is the magnification range of a compound microscope as mentioned in the video?

• 30 to 300 times larger than life

• 10 to 100 times larger than life

• 50 to 500 times larger than life

• 40 to 1000 times larger than life