Cell Structure and Compartments MCQs : This section focuses on the "Cell Structure and Compartments". These Multiple Choice Questions (MCQs) should be practiced to improve the Cell Structure and Compartments skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
An organism's first line of defense against attack by an invader such as a virus or bacterium is usually
A. to flee or hide
B. its body wall
C. a specific immune response
D. a nonspecific immune response
Question 2
Eukaryotic cells are more efficient than prokaryotes because their internal compartmentalization
A. makes each compartment nutritionally independent of all others
B. allows for specialization through the subdivision of particular tasks
C. allows for specialization through merging of different tasks
D. reduces overall cell size
Question 3
The simplest way to differentiate a prokaryotic cell from a eukaryotic one is to
A. look for a plasma membrane
B. see if a nucleus is present
C. check for the presence of DNA
D. determine if the cell is an entire organism or not
Question 4
Which of the following structures is expected in a bacterium?
A. Nucleus
B. Plasma membrane
C. Golgi apparatus
D. Endoplasmic reticulum
Question 5
Which of the following organelles is directly connected to the outer membrane of the nucleus in a eukaryotic cell?
A. Mitochondrion
B. Lysosome
C. Golgi apparatus
D. Endoplasmic reticulum
Question 6
Which of the following are responsible causing the diseases?
A. Pathogens
B. T cells
C. Lymphocytes
D. Macrophages
Question 7
The highly folded membranes found in such eukaryotic organelles as mitochondria and chloroplasts
A. increase the surface area where key chemical processes can occur
B. help the cell against physical damage
C. make it possible to package large amounts of DNA within the cell
D. assist with cell movement
Question 8
In which of the following cell organelles, it is expected to find the biochemical reactions that harness energy from the breakdown of sugar molecules to synthesize large amounts of ATP?
A. Lysosome
B. Vesicles
C. Mitochondria
D. Plasma membrane
Question 9
Clearly defined nucleus, mitochondria in a large central vacuole and chloroplasts, indicate the group of organisms from
A. bacteria
B. fungi
C. plants
D. animals
Question 10
Which of the following cell organelles are expected to be associated with motor proteins?
A. Smooth ER
B. Vesicles
C. Plasma membrane
D. Chloroplasts
Question 11
Which of the following is present in both prokaryotes and eukaryotes?
A. Lysosome
B. Chloroplast
C. Plasma membrane
D. Vacuole
Question 12
Which of the following statements about prokaryotes is false?
A. Prokaryotic cells concentrate important materials for the cells survival
B. The substance known as cytosol is found within the bacterial nucleus
C. Prokaryotic cells are much smaller than most eukaryotic cells
D. Ancient prokaryotes may have given rise to some eukaryotic organelles
Question 13
Which of the following macromolecules are found in the plasma membrane?
A. Lipids and proteins only
B. Lipids, proteins, and carbohydrates
C. Proteins and carbohydrates only
D. Proteins only
Question 14
In which of the following cell types more cellular detail can be observed using an electron microscope compared to a light microscope?
A. Animal
B. Bacterial
C. Protist
D. All of these
Question 15
Which of the following is the best criterion for deciding whether a cell is prokaryotic or eukaryotic?
A. The cell came from a single-celled or multicelled organism
B. The cell has a nucleus or not
C. The cell has cytosol or not
D. DNA is present in the cell or not
Question 16
Microtubules, motor proteins, and actin filaments are all part of
A. the mechanism of photosynthesis that occurs in chloroplasts
B. the rough ER (endoplasmic reticulum) in prokaryotic cells
C. the cytoskeleton of eukaryotic cells
D. the process that moves small molecules across cell membranes
Question 17
According to the fluid mosaic model of cell membranes,
A. the most common type of molecules in the membrane are proteins
B. basic membrane structure results from how the proteins interact with water
C. the membrane is a highly mobile mixture of phospholipids and proteins
D. the unique properties of cell types are determined by their phospholipids
Question 18
A certain cell organelle which is made of a double phospholipid bilayer that has many large pores in it, is most likely
A. the nuclear envelope
B. the plasma membrane
C. the mitochondrion
D. the cytoskeleton
Question 19
What do dystrophin, utrophin, actin, and tubulin have to do with eukaryotic cell structure and function?
A. They are components in the reactions of photosynthesis
B. They all participate in the degradation of large amounts of ATP
C. They all participate in the production of large amounts of ATP
D. They are all embedded proteins in plasma membranes
Question 20
In terms of basic cell structure, what do an elephant and an oak tree have in common?
A. They both are eukaryotes
B. They both have a cell nucleus
C. They both have mitochondria
D. All of the above
Question 21
Where in a eukaryotic cell, DNA can be found?
A. Nucleus
B. Mitochondrion
C. Vacuole
D. Both (a) and (b)
Question 22
Which of the following two organelles look most alike structurally?
A. Nucleus and vesicle
B. Golgi apparatus and smooth endoplasmic reticulum ER
C. Vacuole and cytoskeleton
D. Lysosome and chloroplast