Cell Practice Test

A number of scientists made contributions to the cell theory. Which scientists was the first to identify cells in a slice of cork from a cork tree?

• Anton van Leeuwenhoek
• Matthias Schleiden
• Robert Hooke
• Theordor Schwann

Which of the following statements is part of the cell theory?

• Cells are composed mostly of empty space.
• Cells are generally large enough to be seen with the unaided eye.
• All cells are produced from existing cells.
• Only animals are made up of cells.

The cells of all organisms contain DNA. In cells of which of the following groups is the cellular DNA enclosed in a nucleus? (select all that apply)

• bacteria
• eukaryotes
• prokaryotes

A model of a cell is shown. This cell is....

• prokarotic
• eukaryotic

Tags

NGSS.MS-LS1-1

Lysosomes, the recycling centers of the cell, are organelles that contain enzymes. Which of the following is a function of lysosomes?

• They build lipids, carbohydrates and proteins
• They package lipids, carbohydrated and proteins
• They break down lipids, carbohydrates and proteins

Which of the following structures are typically present in both plant and animal cells?

• cell walls
• centrioles
• chloroplasts
• mitochondria

Which organelles allow plants to support heavy stuctures, such as leaves and flowers?

• the vacuoles, because they fill with fluid and provide rigidity
• the chloroplasts, because they convert sunlight into chemical energy
• the cell membranes, because they regulate what enters and leaves the cell

A group of students studied four different cell specimens under a microscope and recorded information about each in this table. Which cell is a prokaryote?

• Cell 1
• Cell 2
• Cell 3
• Cell 4

Tags

NGSS.MS-LS1-1

Which pair of organelles works together to give structure and support to animal cells?

• cell wall and cytoplasm
• cell membrane and cytoskeleton
• cytoskeleton and golgi complex

What is the total magnification used to view the onion cells in the microscope pictured?

• 10
• 40
• 400