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WorksheetsLife Science 7 - Structure/Function & Cells
Total questions: 23
Worksheet time: 12mins
Name
Class
Date
1.
The image shows four different embryos at a similar state of development. Based on the diagram, which statement is most likely to be true?
a)
All four species live in a similar habitat
b)
All four species use gills throuhout their lives
c)
All four species have originated in the same era
d)
All four species have descended from a common ancestor
2.
You and another student are observing cells in a microsope. You observe the cell in the picture. Your friend says, "Oh, this is a prokaryotic cell, because it is a single cell." Which of the following is the BEST way to respond?
a)
Yes, it is prokaryotic because it doesn't have a nucleus and it has free-floating DNA
b)
Yes, it is prokaryotic because all single-celled organisms are prokaryotic
c)
No, it's not prokaryotic because it does not have a flagellum.
d)
No, it's not prokaryotic because it has a nucleus and specialized organelles.
3.
Which of the following is TRUE about specialized cells?
a)
All specialized cells have the same DNA.
b)
Specialized cells come from different organisms
c)
Specialized cells are not related to each other
d)
Not all multicellular organisms have specialized cells.
4.
Which of the following is a true statement about cells?
a)
A multicellular organism is born with all the cells it is ever going to have.
b)
The number of cells, not the size of the cell, determines the size of multicelluar organisms.
c)
A blue whale has larger cells because its body is larger.
d)
When organisms grow, their cells grow larger too.
5.
Which scientist is known for the discovery of microorganisms, which he called "animalcules," using a simple microscope?
a)
Robert Hooke
b)
Matthias Schleiden
c)
Anton van Leeuwenhoek
d)
Albert Einstein
6.
Which of these is NOT a common characteristic of life?
a)
All living things have cells
b)
All living things grow and develop
c)
All living things eat food and breathe air.
d)
All living things maintain a stable internal environment.
7.
Students are trying to decide if a self-driving car is considered alive. Which characteristic of life would you MOST LIKELY use to prove that self-driving cars are not alive?
a)
React and respond to environment
b)
Need and use Energy
c)
Change over time
d)
Made of Cells
8.
A common characteristic of all living things is that they
a)
breathe air
b)
walk upright
c)
are made of cells
d)
use sunlight for growth
9.
A student was taking notes while the teacher was discussing cells. Which of these is a statement that the teacher most likely made?
a)
Most cells have the same shape.
b)
The shape of a cell depends upon its function.
c)
Cells that carry information are round and disk-shaped.
d)
Blood cells that move through the body are long and thread-like.
10.
Which structure is present in eukaryotic cells but not in prokaryotic cells?
a)
cytoplasm
b)
nucleus
c)
ribosomes
d)
plasma membrane
11.
A scientist is studying a new type of cell and finds that it has a cell wall, ribosomes, and circular DNA, but no nucleus. Which of the following conclusions is most likely correct?
a)
The cell is a eukaryote, because it has a cell wall.
b)
The cell is a prokaryote, because it lacks a nucleus and has circular DNA.
c)
The cell is a eukaryote, because it has ribosomes.
d)
The cell is a prokaryote, because it has ribosomes
12.
Which statement is not part of the cell theory?
a)
All cells come from existing cells.
b)
Cells are the basic unit of life.
c)
All organisms are unicellular.
d)
All living things are made of cells.
13.
All cells have theses structures in common. Check ALL that apply.
a)
Nucleus
b)
DNA (genetic material)
c)
Cytoplasm
d)
Cell membrane
e)
Cell wall
14.
How did the invention of the microscope contribute to the development of the cell theory?
a)
It allowed scientists to see atoms for the first time.
b)
It enabled scientists to observe living organisms in greater detail, leading to the discovery of cells.
c)
It helped prove that all organisms are multicellular.
d)
It showed that cells could form from non-living material.
15.
What is the name of the scientist who advanced the cell theory with his conculsion that cells could only come from other living cells.
a)
Virchow
b)
Leeuwenhoek
c)
Hooke
d)
Schwann
16.
Which of the following best describes a unicellular organism?
a)
An organism that has multiple tissues and organs
b)
An organism composed of one cell that carries out all life processes
c)
An organism with multiple cells but no specialization
d)
An organism that cannot reproduce
17.
Which of the following is true about multicellular organisms? Check all that apply.
a)
Consist of only one cell
b)
Longer life span
c)
An injury can be repaired by making of new cells
d)
Consist of many cells
e)
Short life span
18.
Who were the two scientists who proposed that all plants and animals are made of cells, forming the basis of the cell theory?
a)
Robert Brown and Anton van Leeuwenhoek
b)
Matthias Schleiden and Theodor Schwann
c)
Rudolf Virchow and Robert Hooke
d)
Carl Linnaeus and Charles Darwin
19.
The ability of cells to take on specific jobs is known as cell ___________.
a)
shaping
b)
specialization
c)
denaturation
d)
jobs
20.
All living organisms use energy. They also grow and reproduce. What is another characteristic of all living organisms?
a)
All living organisms are composed of one or more cells.
b)
All living organisms must consume food in order to acquire nutrition.
c)
All living organisms consist of many cells with specialized organelles.
d)
All living organisms can produce glucose through photosynthesis.
21.
Which of the following is true about prokaryotes and eukaryotes?
a)
Prokaryotes cannot make their own food and eukaryotes can.
b)
Eukaryotes do not have a nucleus and prokaryotes do have a nucleus.
c)
Prokaryotes do not have a nucleus and eukaryotes do have a nucleus.
d)
Prokaryotes cannot reproduce and eukaryotes can reproduce.
22.
Is a bacterium (plural: bacteria) a prokaryote or eukaryote?
a)
Eukaryote
b)
Prokaryote
23.
During a biology class, Maya and Grace were discussing about cells. Maya said that only Eukaryotes contain a nucleus, while Grace said that both Prokaryotes and Eukaryotes contain a nucleus. William, who was listening to their conversation, said that only Prokaryotes contain a nucleus. Who is correct?
a)
William
b)
Maya
c)
Grace
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