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Biomolecules and the Cell Quiz

Total questions: 66

Worksheet time: 1hrs 6mins

Name
Class
Date
1.

Which biomolecule is the main source of energy for living organisms?

a)

carbohydrates

b)

nucleic acids

c)

lipids

d)

proteins

2.

What is the function of lipids in the cell membrane?

a)

Lipids in the cell membrane help in cell communication.

b)

Lipids in the cell membrane store energy for the cell.

c)

Lipids in the cell membrane aid in cell division.

d)

Lipids in the cell membrane serve as a barrier and provide structural support.

3.

What are the building blocks of proteins?

a)

carbohydrates

b)

lipids

c)

nucleic acids

d)

amino acids

4.

Which biomolecule stores and transmits genetic information?

a)

DNA

b)

RNA

c)

Protein

d)

Carbohydrate

5.

What is the role of enzymes in biological reactions?

a)

Enzymes act as catalysts in biological reactions.

b)

Enzymes have no role in biological reactions.

c)

Enzymes inhibit biological reactions.

d)

Enzymes are the end products of biological reactions.

6.

Which biomolecule is composed of nucleotides?

a)

Lipids

b)

Carbohydrates

c)

Proteins

d)

DNA and RNA

7.

What is the function of carbohydrates in the body?

a)

Carbohydrates provide energy for the body.

b)

Carbohydrates regulate body temperature.

c)

Carbohydrates aid in digestion.

d)

Carbohydrates help in muscle growth.

8.

What are the two types of nucleic acids?

a)

Carbohydrate and Lipid

b)

DNA and RNA

c)

Protein and Lipid

d)

Protein and Carbohydrate

9.

What is the primary function of proteins in the body?

a)

Proteins are responsible for storing and transmitting genetic information.

b)

Proteins help regulate body temperature.

c)

Proteins aid in the digestion and absorption of nutrients.

d)

Proteins serve as building blocks for cells, tissues, and organs.

10.

Which biomolecule is insoluble in water?

a)

Lipids

b)

Carbohydrates

c)

Proteins

d)

Nucleic acids

11.

What is the function of enzymes in metabolic pathways?

a)

Enzymes in metabolic pathways act as substrates.

b)

Enzymes in metabolic pathways act as inhibitors.

c)

Enzymes in metabolic pathways act as products.

d)

Enzymes in metabolic pathways act as catalysts.

12.

What is the monomer of carbohydrates?

a)

monosaccharide

b)

polysaccharide

c)

disaccharide

d)

protein

13.

What is the function of nucleic acids in the cell?

a)

Serve as structural components of the cell membrane.

b)

Facilitate cellular respiration.

c)

Regulate gene expression.

d)

Store and transmit genetic information

14.

What is the role of lipids in insulation and protection?

a)

Lipids help in the production of antibodies to fight against infections.

b)

Lipids form a layer of fat beneath the skin to retain body heat and provide cushioning and protection for organs.

c)

Lipids play a role in the synthesis of hormones that regulate body temperature.

d)

Lipids provide structural support to the body and help in the formation of cell membranes.

15.

What is the function of proteins in cell signaling?

a)

Proteins in cell signaling store genetic information.

b)

Proteins in cell signaling transmit signals from one cell to another.

c)

Proteins in cell signaling regulate cell growth and division.

d)

Proteins in cell signaling produce energy for the cell.

16.

What is NOT a part of cell theory:

a)

all cells come from existing cells

b)

all cells have a nucleus

c)

all living things are made of cells

d)

cells are basic unit of structure and function in living things

17.

Prokaryotes are

a)

bacteria

b)

fungi

c)

plants

d)

animals

18.

Prokaryotic cells do NOT have membrane bound organelles or ______________________________.

a)

cytoplasm

b)

a nucleus

c)

ribosomes

d)

DNA

19.

In eukaryotic cells DNA is primarily contained within the:

a)

cytoplasm

b)

ribosomes

c)

vacuoles

d)

nucleus

20.

Of the two types of cells, which one is smaller and more simplistic?

a)

prokaryotic cells

b)

eukaryotic cells

21.

All cells have a cell membrane, cytoplasm, DNA, and...

a)

cell wall

b)

nucleus

c)

ribosomes

d)

chloroplast

22.

Membrane-bound structures that have different jobs within the cell:

a)

antibodies

b)

lipids

c)

organelles

d)

blood cells

23.

Not membrane-bound structures in the cell made of protein and RNA, used for protein synthesis...(found in all cells)

a)

nucleus

b)

cell membrane

c)

cytoplasm

d)

ribosomes

24.
Movement of particles from high to low concentration. 
a)
Passive Transport
b)
Active Transport
25.
Osmosis is a form of ______________. 
a)
Passive Transport
b)
Active Transport
26.
Solutes move with the concentration gradient, therefore no energy is used. 
a)
Passive Transport
b)
Active Transport
27.
Movement of materials from high to low concentration through a protein channel. 
a)
Passive Transport
b)
Active Transport
28.
Solutes move against the concentration gradient, therefore energy is needed. 
a)
Passive Transport
b)
Active Transport
29.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
30.
Which is true about active transport?
a)
It requires energy
b)
it does not require energy
c)
It moves substances down the concentration gradient
d)
it moves material from high to low concentration
31.
In a nerve cell, ATP energy is used to pump sodium (Na) out of the cell and potassium (K) into the cell. This is an example of...
a)
Facilitated Diffusion
b)
Simple Diffusion
c)
Active Transport
d)
Osmosis
32.
Stem cells are
a)
cells that grow uncontrollably
b)
undifferentiated and can be any type of cell
c)
never go through cell division
d)
only found in embryos
33.
Stem cells can be obtained from
a)
embryos
b)
some adult tissues
c)
umbilical cord blood
d)
all of the above
34.
Which best explains why muscle cells are different from blood cells?
a)
Muscle cells are produced by the brain, but blood cells are produced by the heart. 
b)
Different genes are activated in muscle cells than in blood cells. 
c)
Muscles cells experience different environmental influences than blood cells. 
d)
A mutation occurs during the development of muscle cells but not in blood cells. 
35.
What is cell differentiation?
a)
Process by which cells produce more cells
b)
Process by which cells become specialized
c)
Process by which cells become unspecialized
d)
Process by which cells die
36.
The skin cell and hair cell contain different sets of DNA. And that is why they are different cells.
a)
True
b)
False
37.
Specialized cells such as skin cell and muscle cell carry out specific function because only certain parts of genes are expressed. 
a)
True
b)
False
38.

I have membrane-bound organelles and DNA, what am I?

a)

Prokaryote

b)

Chloroplast

c)

Bacteria

d)

Eukaryote

39.

Which of the following provide evidence for the endosymbiotic theory?

a)

Large prokaryotic cells engulfed smaller prokaryotic cells, they coexisted within the host cells with double-membrane bound organelles: nucleus, mitochondria, and chloroplast.

b)

Large prokaryotic cells engulfed smaller prokaryotic cells, they did not coexist within the host cell and resulted in being digested.

c)

Small prokaryotic cells engulfed large prokaryotic cells, they did not coexist within the host cells and resulted in being digested.

d)

Endosymbiotic Theory is false.

40.

Which of the following is a true statement about prokaryotic and eukaryotic cells?

a)

Prokaryotic cells have a nucleus, Eukaryotic have chloroplast

b)

Prokaryotic cells have mitochondria, Eukaryotic cells have mitochondria

c)

An example of a prokaryote would be a bacteria, an example of a eukaryote would be a tree

d)

Prokaryotes have all the same thing eukaryotes have.

41.

What type of cell is shown?

a)

Plant cell

b)

Prokaryotic cell

c)

Animal cell

d)

Eukaryotic cell

42.

What type of cell is shown?

a)

Eukaryotic cell

b)

Bacteria cell

c)

Prokaryotic cell

d)

Animal cell

43.

What type of cell is shown?

a)

Plant cell

b)

Prokaryotic cell

c)

Bacteria cell

d)

Eukaryotic cell

44.

Which type of cell has circular DNA?

a)

Animal cell

b)

Plant cell

c)

Prokaryotic cell

d)

Eukaryotic cell

45.

True or False: Both prokaryotes and eukaryotes have ribosomes and a plasma membrane.

a)

True

b)

False

46.

True or False: Only plant cells have chloroplast.

a)

True

b)

False

47.

Label the parts of the reaction using the list provided below.

a)

product

b)

substrate

c)

active site

d)

enzyme (pre)

e)

enzyme (post)

1
2
3
4
5
1)
2)
3)
4)
5)
48.

A student studying reactions with enzymes uses the graph to form a conclusion. What is the best conclusion a

student can make based on the information on the graph?

a)

The amount of activation energy is lower in reactions

without enzymes.

b)

The amount of activation energy needed is greater in

reactions with enzymes.

c)

A reaction with an enzyme lowers the activation energy

needed.

d)

As the reaction continues the amount of energy needed

increases.

49.

Enzymes function by lowering the ​ (a)   that is needed to initiate the chemical reaction while increasing the ​ (b)   .

Choose from the below words
activation energy
reaction rate
50.

Why has this enzyme activity decreased so much?

a)

The enzyme has become saturated

b)

The temperature is too low

c)

The enzyme has become denatured

51.

What happens to the pepsin enzyme in alkaline conditions

a)

The reaction rate increases

b)

The enzyme collides with more substrate

c)

The enzyme will denature and no longer work

d)

The shape of the enzyme does not change and still has activity

52.

Match the following

a)

Selectively Permeable Membrane

1.

Allows some materials to pass through but keeps other materials out

b)

Concentration

2.

Amount of substance in a given space

c)

Diffusion

3.

Movement of particles from an area of concentration to an area of lower concentratioin

d)

Osmosis

4.

Diffusion of water molecules through a selectively permeable membrane

53.

Match the following

a)

Selectively Permeable Membrane

1.

Can be compared to a window screen

b)

Diffusion

2.

Process by which oxygen and carbon dioxide is moved into a cell

c)

Osmosis

3.

When water particles move from an area of higher concentration to an area of lower concentration

54.

Diffusion is the movement of particles from __1__ concentration to __2__ concentration until they are __3__ spread out.

a)

higher

1.

1

b)

lower

2.

2

c)

evenly

3.

3

55.

Which best describes which directions molecules move during diffusion?

a)

from an area of equilibrium to an area of high concentration

b)

from an area of equilibrium to an area of low concentration

c)

from an area of low concentration to an area of high concentration

d)

from an area of high concentration to an area of low concentration

56.

What is the process by which water diffuses across a selectively permeable membrane?

a)

active  transport

b)

osmosis

c)

simple diffusion

d)

facilitated diffusion

57.

Osmosis is the passage __1__ molecules from a __2__ concentrated solution to a __3__ concentrated solution through a __4__ .

a)

water

b)

higer

c)

lower

d)

semi-permeable membrane

58.

Match the following

a)

phospholipids

1.

main component of the cell membrane

b)

membrane proteins

2.

allows large molecules to pass through membrane

c)

semipermeable

3.

some substances can go through the cell membrane and some can't

d)

passive transport

4.

does not require ATP; molecules move high to low

e)

active transport

5.

requires ATP; molecules move low to high

59.
The picture is an example of _________________.
a)
endocytosis
b)
diffusion
c)
osmosis
d)
active transport
60.
What does it mean that a cell membrane is, "selectively or semi-permeable?"
a)
It allows all substances in
b)
It allows some substances in but not others
c)
It allows nothing in
61.

Which of the following are examples of passive transport? Select multiple answers.

a)

Diffusion

b)

Facilitated diffusion

c)

Endocytosis

d)

Exocytosis

e)

Osmosis

62.
Which type of solution causes a cell to swell?
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
63.
In which type of solution is the concentration of solute molecules equal on both sides of the membrane?
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
64.
What are the two main components of the cell membrane?
a)
Phospholipids and Carbohydrates
b)
Cholesterol and Proteins
c)
 Phospholipids and Proteins
d)
Carbohydrates and Proteins
65.

Which type of solution makes a cell shrink?

a)

Hypotonic

b)

Hypertonic

c)

Isotonic

66.

Relate each concept with the most accurate column.

Categorize the following

Circle DNA

Flagella

Ribosomes

Cytoplasm

Membrane bound Organelles

Big cells

Chromosomes

Multicellular

No cell wall

Mitochondria

Only cell Respiration

Flexible cells

Stiff cells

Chloroplasts

Cellulose

Photosynthesis

Prokaryote
Eukaryote
Animal
Plant

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