WorksheetsUnit 6 Test Review
Total questions: 31
Worksheet time: 16mins
The smallest unit of life is called a ___________________
Tissue
Organ
Atom
Cell
Which of the following is NOT a component of the cell theory?
Cells are the basic units of structure and function in living organisms
Cells can only be derived from preexisting cells
All living organisms are made up of cells
Viruses are living organisms because they contain DNA
Which scientist contributed to the known structure of DNA by producing x-ray images of it?
Chargaff
Franklin
Watson
Crick
Who was the first person to observe organisms in pond water using a single-lens microscope?
Anton von Leeuwenhoek
Matthias Schleiden
Rudolf Virchow
Charles Darwin
Which of these does not match a scientist correctly with their contribution to cell research
Schleiden: All plants are made of cells
Schwann: All animals are made of cells
Virchow: Cells can only come from preexisting cells
Hooke: First invented the microscope
Bacteria can be beneficial to humans in many ways, but which of is not helpful
Supporting digestion
Causing food to spoil
Elimination of ocean contaminants
Producing medicine
Which of the following organelles do we NOT find in plant cells
Chloroplasts
Central Vacuole
Flagella
A cell wall
Which of the following statements is incorrect?
All eukaryotic cells have a nucleus
Prokaryotic cells do not have membrane bound organelles
Animal cells have a large central vacuole
Plants cells have a cell wall
What is a major difference between prokaryotic and eukaryotic cells?
some animals cells have a cell wall
prokaryotes do not have membrane bound organelles
prokaryotes cannot have a cell wall
prokaryotes do not have DNA
A gorilla has 40 chromosomes. How many chromosomes will each daughter cell have after the cell undergoes a mitotic division?
20
46
40
80
The stages of mitosis in the correct order are as follows...
prophase, anaphase, metaphase, telophase
metaphase, anaphase, telophase, prophase
prophase, metaphase, anaphase, telophase
anaphase, telophase, metaphase, prophase
During which phase of mitosis do the chromosome line up along the equator of the cell?
Prophase
Anaphase
Metaphase
Telophase
During which phase of mitosis do the chromosome get pulled to opposite poles?
Prophase
Metaphase
Anaphase
Telophase
The cell membrane is composed of a phospholipid bilayer, and proteins
Ribosomes
Proteins
Electrons
Cells
We use the term 'fluid mosaic model' because.....
proteins move freely through the length of the cell
the membrane is completely liquid
the cell membrane is composed of many different macromolecules
the membrane folds over itself
Proteins in the plasma membrane that allow the passage of some materials, but not others are called ________________
stabilizers
storage proteins
transport proteins
recycling proteins
The process of a living thing maintaining a stable internal environment is called __________________
communication
mitosis
homeostasis
cellular respiration
A fish lives in a fish tank with a 10% salt concentration. By placing it in a new fish tank, what salt concentration would cause to take on water most rapidly.
11%
5%
1%
15%
In multicellular organisms, groups of specialized cells that work together toward the same function are called
organs
tissues
organ systems
species
Which of these types of organisms has membrane bound organelles?
Prokaryotes
Eukaryotes
Both
Neither
What does cell specialization mean?
when DNA controls the cell cycle
the ability of cells to maintain homeostasis
the ability of cells to make more cells
the ability of cells to take on different forms to carry out different functions
In mitosis, the resulting daughter cells are
different from the starting cell and identical to each other
different from the starting cell and different from each other
identical to the starting cell and different from each other
identical to the starting cell and identical to each other
Our muscles perform hard work for our bodies so muscle cells should contain a great deal of organelles that generate energy, such as _________________
ribosomes
DNA
mitochondria
Golgi bodies
The __________ holds together sister chromatids in the early stages of mitosis
centromere
spindle
chromosomes
Nucleus
An simple experiment was conducted where students used different objective lenses of a light microscope to view slides illustrating mitosis in tomato plant leaves. Which of these is a good hypothesis for such an 'experiment'?
If I used the high power objective lens, then I can view the specimen slides with greater detail.
If I use the low power objective lens, then I can view the specimen slides with greater detail.
The scanning lens has a total magnification of 40x.
The high power objective lens has a total magnification of 400x.
Who invented the first microscope?
Virchow
Schleiden
Janssen
Schwann
Which scientist said all animals are made of cells?
Hooke
Schwann
Virchow
Schleiden
Which of the following is an example of a cell
The brain
A neuron
The spinal cord
Nervous tissue
Which of the following is an example of a tissue
The brain
A neuron
Nervous tissue
The spinal cord
Which of the following is an example of an organ?
The brain
a neuron
nervous tissue
spinal cord
True or false: Prokaryotes carry their DNA in LINEAR chromosomes, while eukaryotes carry their DNA in CIRCULAR chromosomes.
True
False
