Basic Biology Quiz

What are the smallest units in living things?

• Atoms

• Organs

• Cells

• Tissues

What tool do scientists use to make very small objects look bigger?

• Telescope

• Calculator

• Hand lens

• Microscope

Who first used the term “cells” after looking at cork through a microscope?

• Antonie van Leeuwenhoek

• Isaac Newton

• Louis Pasteur

• Robert Hooke

Organisms made of only one cell are called:

• Multicellular

• Microscopic

• Macroscopic

• Unicellular

Which of these organisms is eukaryotic?

• Euglena

• Bacteria

• Virus

• None of the above

All prokaryotic cells have a nucleus.

• True

• False

A eukaryotic cell has membrane-bound organelles.

• True

• False

Humans are made of about 10 to 100 trillion cells.

• True

• False

What does DNA do inside the cell?

• Stores food for the cell

• Makes the cell larger

• Provides instructions for making new organisms and controlling functions

• Cleans waste from the cell

Which of these is a specialized human cell?

• Neuron (nerve cell)

• Cork cell

• Animalcule

• Pixel