Quiz about Unit 3: Cell Parts and Function

Question 1

According to the cell theory, what are the three main points?

Accepted Answer

All living things are made of cells

Accepted Answer

Cells are the basic unit of structure and function

Accepted Answer

New cells come from preexisting cells

Answer

New organs come from preexisting organs

Answer

Tissues are the basic unit of life

Question 2

What is the boundary of the cell called?

Accepted Answer

Plasma membrane (cell membrane)

Answer

Nucleus

Answer

Cytoplasm

Answer

Mitochondria

Question 3

What is the structure of the plasma membrane?

Accepted Answer

Phospholipid bilayer

Answer

Single layer of proteins

Answer

Cellulose wall

Answer

Cholesterol monolayer

Question 4

What is the function of the selectively permeable membrane?

Accepted Answer

Allows only certain substances into the cell

Answer

Produces energy for the cell

Answer

Controls cell division

Answer

Stores genetic information

Question 5

Which type of cell has no nucleus and DNA in an area called the nucleoid region?

Accepted Answer

Prokaryotes

Answer

Eukaryotes

Answer

Plant cells

Answer

Animal cells

Question 6

Which type of cell lacks most organelles and may contain internal membranes?

Accepted Answer

Prokaryotes

Answer

Eukaryotes

Answer

Plant cells

Answer

Animal cells

Question 7

Bacteria and archaea are examples of which type of cell?

Accepted Answer

Prokaryotes

Answer

Eukaryotes

Answer

Viruses

Answer

Fungi

Question 8

Which type of cell appeared earliest in Earth's fossil record?

Accepted Answer

Prokaryotes

Answer

Eukaryotes

Answer

Plant cells

Answer

Animal cells

Question 9

Which type of cell contains a nucleus and many organelles?

Accepted Answer

Eukaryotes

Answer

Prokaryotes

Answer

Viruses

Answer

Bacteria

Question 10

Plants, animals, fungi, and protists are all examples of which type of cell?

Accepted Answer

Eukaryotes

Answer

Prokaryotes

Answer

Viruses

Answer

Bacteria

Question 11

Some eukaryotic cells are single-celled, and others form multicellular organisms.

Accepted Answer

True

Answer

False

Question 12

Which type of cell contains chloroplasts and is more square/rectangular shaped?

Accepted Answer

Plant cells

Answer

Animal cells

Answer

Bacterial cells

Answer

Fungal cells

Question 13

Which type of cell has a cell wall and a cell membrane (plasma membrane)?

Accepted Answer

Plant cells

Answer

Animal cells

Answer

Bacterial cells

Answer

Fungal cells

Question 14

Which type of cell has a central vacuole?

Accepted Answer

Plant cells

Answer

Animal cells

Answer

Bacterial cells

Answer

Fungal cells

Question 15

Which type of cell has no chloroplasts and an irregular shape?

Accepted Answer

Animal cells

Answer

Plant cells

Answer

Bacterial cells

Answer

Fungal cells

Question 16

Which type of cell has no cell wall (just a cell membrane)?

Accepted Answer

Animal cells

Answer

Plant cells

Answer

Fungal cells

Answer

Bacterial cells

Question 17

What does the nucleus contain?

Accepted Answer

Most of the cell's DNA (genetic material)

Answer

Most of the cell's cytoplasm

Answer

Most of the cell's ribosomes

Answer

Most of the cell's mitochondria

Question 18

What is chromatin?

Accepted Answer

DNA bound to protein

Answer

A type of carbohydrate

Answer

A lipid molecule

Answer

A form of RNA

Question 19

What are chromosomes?

Accepted Answer

Condensed supercoiled chromatin

Answer

A type of cell organelle

Answer

A type of protein

Answer

A form of RNA

Question 20

What is the main function of the nucleolus?

Accepted Answer

Produces ribosomes

Answer

Stores genetic information

Answer

Controls cell division

Answer

Synthesizes lipids

Question 21

What is the portion of the cell outside the nucleus called?

Accepted Answer

Cytoplasm

Answer

Nucleolus

Answer

Chromosome

Answer

Mitochondria

Question 22

Which of the following consists of various organelles suspended in a fluid?

Accepted Answer

Cytoplasm

Answer

Nucleolus

Answer

Mitochondrion

Answer

Lysosome

Question 23

Which organelle is known as the powerhouse of the cell?

Accepted Answer

Mitochondrion

Answer

Nucleus

Answer

Ribosome

Answer

Golgi apparatus

Question 24

What does the mitochondrion convert chemical energy (glucose) into?

Accepted Answer

ATP (adenosine triphosphate)

Answer

DNA (deoxyribonucleic acid)

Answer

Chlorophyll

Answer

Hemoglobin

Question 25

How many membranes enclose the mitochondrion?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 26

Where are enzymes and other molecules embedded in the mitochondrion?

Accepted Answer

Into the inner membrane

Answer

In the outer membrane

Answer

In the mitochondrial matrix

Answer

In the intermembrane space

Question 27

What is the function of folds in the inner membrane of the mitochondrion?

Accepted Answer

Increase surface area where cellular respiration can occur

Answer

Store genetic information for the cell

Answer

Produce ribosomes for protein synthesis

Answer

Regulate the entry and exit of materials in the cell

Question 28

Mitochondria are inherited from which part of the egg?

Accepted Answer

Cytoplasm

Answer

Nucleus

Answer

Cell membrane

Answer

Chorion

Question 29

Which type of endoplasmic reticulum lacks ribosomes and makes lipid components of the cell membrane?

Accepted Answer

Smooth ER

Answer

Rough ER

Answer

Golgi apparatus

Answer

Lysosome

Question 30

What is the main function of the rough ER?

Accepted Answer

Synthesizes proteins for packaging in the Golgi and export

Answer

Breaks down toxic substances in the cell

Answer

Stores genetic information

Answer

Produces ATP for cellular energy

Question 31

What do vesicles in the ER carry between compartments?

Accepted Answer

Proteins

Answer

Lipids

Answer

Carbohydrates

Answer

Nucleic acids

Question 32

Which type of ER has ribosomes on its surface?

Accepted Answer

Rough ER

Answer

Smooth ER

Answer

Transitional ER

Answer

Granular ER

Question 33

What is the main function of the Golgi apparatus?

Accepted Answer

Modifies, sorts and packages proteins for export

Answer

Produces ATP through cellular respiration

Answer

Synthesizes DNA during cell division

Answer

Breaks down waste materials and cellular debris

Question 34

What is the last stop before proteins are shipped out of the cell?

Accepted Answer

Golgi apparatus

Answer

Mitochondria

Answer

Nucleus

Answer

Endoplasmic reticulum

Question 35

What are lysosomes filled with?

Accepted Answer

Digestive enzymes

Answer

Genetic material

Answer

Chlorophyll

Answer

Hormones

Question 36

What do lysosomes digest?

Accepted Answer

Lipids, carbohydrates and proteins into smaller molecules

Answer

DNA and RNA into nucleotides

Answer

Vitamins and minerals into ions

Answer

Water into hydrogen and oxygen

Question 37

What is the function of ribosomes?

Accepted Answer

Makes proteins by translating the genetic code

Answer

Stores genetic information

Answer

Breaks down waste materials

Answer

Produces energy for the cell

Question 38

What materials do vacuoles store?

Accepted Answer

Water, salts, proteins, carbohydrates

Answer

Oxygen, carbon dioxide, nitrogen, helium

Answer

Lipids, nucleic acids, enzymes, hormones

Answer

Chlorophyll, starch, cellulose, lignin

Question 39

What is the function of the contractile vacuole in Paramecium?

Accepted Answer

Pumps excess water out of the cell

Answer

Helps in locomotion

Answer

Synthesizes proteins

Answer

Carries out photosynthesis

Question 40

What is the main function of the cell wall?

Accepted Answer

Provides support and protection

Answer

Controls cell division

Answer

Produces energy for the cell

Answer

Stores genetic information

Question 41

What are plant cell walls made of?

Accepted Answer

Cellulose

Answer

Starch

Answer

Protein

Answer

Chitin

Question 42

What pigment do chloroplasts contain?

Accepted Answer

Chlorophyll

Answer

Hemoglobin

Answer

Melanin

Answer

Carotene

Question 43

What is the function of chloroplasts in plant cells?

Accepted Answer

Capture light energy and convert it to glucose

Answer

Store genetic information

Answer

Regulate water balance

Answer

Break down waste materials

Question 44

Which structure provides support and transportation in the cell?

Accepted Answer

Cytoskeleton

Answer

Nucleus

Answer

Ribosome

Answer

Mitochondria

Question 45

Which of the following is NOT a function of the cytoskeleton?

Accepted Answer

C) DNA replication

Answer

A) Supporting structure

Answer

B) Network of protein filaments

Answer

D) Helps the cell move

Question 46

What are microfilaments made of?

Accepted Answer

Protein actin

Answer

Cellulose

Answer

Cholesterol

Answer

DNA

Question 47

Which structure provides a tough, flexible framework that supports the cell?

Accepted Answer

Microfilaments

Answer

Mitochondria

Answer

Ribosomes

Answer

Lysosomes

Question 48

Microtubules are made of which protein?

Accepted Answer

Tubulin

Answer

Actin

Answer

Myosin

Answer

Keratin

Question 49

Which structure helps to organize cell division and is not found in plants?

Accepted Answer

Centriole

Answer

Chloroplast

Answer

Cell wall

Answer

Vacuole

Question 50

Cilia are characterized by which of the following?

Accepted Answer

B) Short, numerous, back-and-forth motion

Answer

A) Long, whip-like, fewer in number

Question 51

What is a pseudopod?

Accepted Answer

Temporary cytoplasm projection ('false foot') for movement/feeding

Answer

A type of cell nucleus

Answer

A rigid cell wall structure

Answer

A specialized organelle for photosynthesis

Question 52

What is the function of the extracellular matrix?

Accepted Answer

Cement connecting cells

Answer

Source of genetic information

Answer

Site of protein synthesis

Answer

Energy storage organelle

Question 53

According to the endosymbiotic theory, which organelles are thought to have descended from ancient prokaryotes?

Accepted Answer

Mitochondria and chloroplasts

Answer

Ribosomes and lysosomes

Answer

Golgi apparatus and endoplasmic reticulum

Answer

Nucleus and peroxisomes

Question 54

Which of the following is evidence for the endosymbiotic theory?

Accepted Answer

All of the above

Answer

Own DNA & ribosomes

Answer

Double membranes

Answer

Similarities to prokaryotic ribosomes

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science