Human Social Biology Multiple Choice Test
Identify the choice that best completes the statement or answers the question.
1. Holds the genetic information (DNA) for the cell. It controls all cell activities.
a. lysosome
b. nucleus
c. ribosome
d. mitochondria
2. Food producer for the plant cell. It converts the energy of the sun into sugar.
a. cell membrane
b. chloroplast
c. cytoplasm
d. nucleus
3. Acts as the digestive system inside a cell. It helps to break down old or unneeded parts of the cell, and
substances that have been brought into the cell from the outside.
a. lysosome
b. endoplasmic reticulum
c. ribosome
d. mitochondria
4. Monitors and controls entry into and out of the cell.
a. vacuole
b. chloroplast
c. ribosome
d. cell membrane
5. Creates proteins. It can float within the cytoplasm or be attached to an organelle.
a. cytoplasm
b. ribosome
c. nucleus
d. mitochondria
6. Checks, makes necessary changes, packages and secretes proteins.
a. cell wall
b. endoplasmic reticulum
c. golgi bodies / golgi apparatus
d. mitochondria
7. Jelly-like fluid that fills the cells and suspends the organelles.
a. chloroplast
b. nucleus
c. cytoplasm
d. lysosome
8. Thick, rigid layer that surrounds the plant cell and provides support and structure.
a. cell wall
b. mitochondria
c. nucleus
d. chloroplast
9. Helps transport proteins.
a. cell wall
b. endoplasmic reticulum
c. lysosome
d. vacuole
10. In plant cells, a large, fluid-filled space inside the cell that helps the cell maintain its shape and may also be
used to store nutrients and waste products. In animal cells, small fluid spaces inside the cell that are used to
store nutrients and waste products.
a. cell wall
b. vacuole
c. ribosome
d. chloroplast
11. Produces energy to fuel the cell’s activities.
a. cell wall
b. mitochondria
c. golgi bodies / golgi apparatus
d. cytoplasm
12. Which of the following enclose their DNA in a nucleus?
a. prokaryotes
b. bacteria
c. eukaryotes
d. viruses
13. Not all cells are alike. Which of the following is NOT a true statement about differences between cells?
a. Cells come in many different shapes.
b. Different kinds of cells are different sizes.
c. Some cells have a nucleus, but others do not.
d. Most cells have a membrane, but some do not.
14. Which of the following organisms are prokaryotes?
a. plants
b. animals
c. bacteria
d. fungi
Figure 7–1
15. Which of the following conclusions could you draw about the cell shown in Figure 7–1?
a. The cell is eukaryotic because it has a nucleus.
b. The cell is prokaryotic because it has a nucleus.
c. The cell is eukaryotic because it does not have a nucleus.
d. The cell is prokaryotic because it does not have a nucleus.
16. Which of the following best describes the relationship between the nucleus and the cytoplasm?
a. The cytoplasm is a fluid that fills the inside of the nucleus.
b. The cytoplasm is an organelle that is usually found near the nucleus.
c. The nucleus is an organelle that is surrounded by the cytoplasm.
d. The nucleus is a fluid and it mixes with the fluid cytoplasm.
17. Which of the following statements about the nucleus is NOT true?
a. The nucleus stores the coded instructions for making the cell’s proteins.
b. The nucleus usually contains a nucleolus region which is where ribosome
assembly begins.
c. The nucleus is the site of protein assembly.
d. The nucleus is surrounded by a nuclear envelope that lets materials in and out.
18. Which organelle converts the chemical energy stored in food into compounds that are more convenient for
the cell to use?
a. chloroplast
b. Golgi apparatus
c. endoplasmic reticulum
d. mitochondrion
19. Which organelles are involved in energy conversion?
a. mitochondria and chloroplasts
b. mitochondria and ribosomes
c. smooth and rough endoplasmic reticulum
d. Golgi apparatus and chloroplasts
20.Which organelle would you expect to find in plant cells but not animal cells?
a. mitochondrion
b. ribosome
c. chloroplast
d. smooth endoplasmic reticulum
21. The primary function of the cell wall is to
a. support and protect the cell.
b. store DNA.
c. direct the activities of the cell.
d. help the cell move.
22. Unlike the cell membrane, the cell wall is
a. found in all organisms.
b. composed of a lipid bilayer.
c. selectively permeable.
d. a rigid structure.
23.You will NOT find a cell wall in which of these kinds of organisms?
a. plants
b. animals
c. fungi
d. bacteria
24.Which of the following structures serves as the cell’s boundary from its environment?
a. mitochondrion
b. cell membrane
c. chloroplast
d. channel protein
25.Which of the following is a function of the cell membrane?
a. breaks down lipids, carbohydrates, and proteins from foods
b. stores water, salt, proteins, and carbohydrates
c. keeps the cell wall in place
d. regulates the movement of materials into and out of the cell
26. Diffusion occurs because
a. molecules are attracted to one another.
b. molecules constantly move and collide with each other.
c. cellular energy forces molecules to collide with each other.
d. cellular energy pumps molecules across the cell membrane.
27.During diffusion, when the concentration of molecules on both sides of a membrane is the same, the
molecules will
a. move across the membrane to the outside of the cell.
b. stop moving across the membrane.
c. continue to move across the membrane in both directions.
d. move across the membrane to the inside of the cell.
28.The diffusion of water across a selectively permeable membrane is called
a. osmotic pressure.
b. osmosis.
c. pinocytosis.
d. active transport.
29.An animal cell that is surrounded by fresh water will burst because the osmotic pressure causes
a. water to move into the cell.
b. water to move out of the cell.
c. solutes to move into the cell.
d. solutes to move out of the cell.
30.Which means of particle transport requires input of energy from the cell?
a. diffusion
b. osmosis
c. facilitated diffusion
d. active transport
Figure 7–4
31.Which means of particle transport is shown in Figure 7–4 above?
a. diffusion
b. osmosis
c. facilitated diffusion
d. active transport
32.Which of the following is an example of an organ?
a. heart
b. epithelial tissue
c. digestive system
d. nerve cell
33.A group of similar cells that perform a particular function is called
a. an organ.
b. an organ system.
c. a tissue.
d. a division of labor.
34.An organ system is a group of organs that
a. are made up of similar cells.
b. are made up of similar tissues.
c. work together to perform a specific function.
d. work together to perform all the functions in a multicellular organism.
35.Which list represents the levels of organization in a multicellular organism from the simplest level to the
most complex level?
a. cell, tissue, organ system, organ
b. organ system, organ, tissue, cell
c. tissue, organ, organ system, cell
d. cell, tissue, organ, organ system
36. Which food chain correctly describes the flow of energy in an ecosystem?
a. grass-->cow-->human
b. caterpillar-->leaf-->human
c. cow-->grass-->human
d. leaf-->bird-->caterpillar
37. Rabbits eat grass and other plants to survive, but they do not eat animals. What kind of animal are rabbits?
a. decomposers
b. carnivores
c. producers
d. herbivores
38. How do decomposers help other organisms in an ecosystem?
a. they break down dead organisms and add nutrients back to the soil that plants use.
b. they use the sunlight to make their own food that other organisms eat for energy.
c. they help disperse seeds for plant growth.
d. decomposers do not help other organisms in an ecosystem.
39. In what order do a hawk, grass, and rabbit form a food chain in a meadow?
a. hawk-->grass-->rabbit
b. grass-->hawk-->rabbit
c. rabbit-->grass-->hawk
d. grass-->rabbit-->hawk
40. Which of the following lists only consumers?
a. hawks, lizards, chipmunks
b. acorns, squirrels, rabbits
c. grass, chipmunks, eagles
d. mice, squirrels, grass
41. A food chain starts with a
a. producer
b. consumers
c. decomposer
d. scavengers
42. Producers, consumers and decomposers are dependent on each other for their
a. growth
b. reproduction
c. breathing
d. survival
43. Organisms which feed on secondary consumers are called
a. primary consumer
b. tertiary consumers
c. producers
d. decomposers
44. There occurs diminishing along food chain in amount of
a. energy
b. heat
c. food
d. temperature
45. A series of organism through which energy is transferred in form of food is called
a. food web
b. food chain
c. food cycle
d. ecosystem
True/False
Indicate whether the sentence or statement is true or false. Write the words “True or False” in the blanks.
____ 46. Photosynthesis is a process that takes place in autotrophs.
____ 47. All organisms require energy to carry out life processes.
____ 48. Most plants are heterotrophic.
____ 49. The major light-absorbing pigment in plants is chlorophyll.
____ 50. Oxygen and water, in the presence of sunlight, will react to form glucose and carbon dioxide gas.
____ 51. The only difference between a plant cell and an animal cell is that plant cells have chloroplasts.
____ 52. Chlorophyll is a found in the mitochondria.
Use the following picture to answer
questions #53-56.
53.Which organelle provides evidence that this cell can absorb sunlight to produce its own food?
a. Organelle #1
c. Organelle #3
b. Organelle #2
d. Organelle #4
54.The cell in this picture is a(an):
a. animal cell
b. bacterial cell
c. protozoan cell
d. plant cell
55.Cell organelle labeled #2 is a:
a. vacuole
b. nucleus
c. chloroplast
d. mitochondrion
56.Cell organelle labeled #3 is a:
a. vacuole
b. nucleus
c. chloroplast
d. mitochondrion
57.A structure within a cell that performs a specific function is called a(n)
a. organelle.
c. tissue.
b. organ tissue.
d. biocenter.
58.Photosynthesis enables plants to produce most of the glucose that they need. What is not required for
photosynthesis to take place?
a. carbon dioxide.
c. light.
b. water.
d. oxygen
59.Two activators must be present in order for photosynthesis to take place in green plants. The activators are:
a. chlorophyll and sunlight
c. water and oxygen
b. sunlight and oxygen
d. chlorophyll and sodium
60.The two main reactants of photosynthesis are:
a. water and oxygen
b. chlorophyll and oxygen
c. water and carbon dioxide
d. glucose and carbon dioxide