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Cell Structure And Compartments Online Exam Quiz

Important questions about Cell Structure And Compartments. Cell Structure And Compartments MCQ questions with answers. Cell Structure And Compartments exam questions and answers for students and interviews.

1. A certain cell organelle which is made of a double phospholipid bilayer that has many large pores in it, is most likely

Options

A : the nuclear envelope

B : the plasma membrane

C : the mitochondrion

D : the cytoskeleton

2. Microtubules, motor proteins, and actin filaments are all part of

Options

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

3. Where in a eukaryotic cell, DNA can be found?

Options

A : Nucleus

B : Mitochondrion

C : Vacuole

D : Both (a) and (b)

4. Clearly defined nucleus, mitochondria in a large central vacuole and chloroplasts, indicate the group of organisms from

Options

A : bacteria

B : fungi

C : plants

D : animals

5. Which of the following structures is expected in a bacterium?

Options

A : Nucleus

B : Plasma membrane

C : Golgi apparatus

D : Endoplasmic reticulum

6. In which of the following cell types more cellular detail can be observed using an electron microscope compared to a light microscope?

Options

A : Animal

B : Bacterial

C : Protist

D : All of these

7. According to the fluid mosaic model of cell membranes,

Options

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

8. Which of the following organelles is directly connected to the outer membrane of the nucleus in a eukaryotic cell?

Options

A : Mitochondrion

B : Lysosome

C : Golgi apparatus

D : Endoplasmic reticulum

9. Which of the following statements about prokaryotes is false?

Options

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

10. Which of the following two organelles look most alike structurally?

Options

A : Nucleus and vesicle

B : Golgi apparatus and smooth endoplasmic reticulum ER

C : Vacuole and cytoskeleton

D : Lysosome and chloroplast

1. In terms of basic cell structure, what do an elephant and an oak tree have in common?

Options

A : They both are eukaryotes

B : They both have a cell nucleus

C : They both have mitochondria

D : All of the above

2. Which of the following cell organelles are expected to be associated with motor proteins?

Options

A : Smooth ER

B : Vesicles

C : Plasma membrane

D : Chloroplasts

3. Which of the following is the best criterion for deciding whether a cell is prokaryotic or eukaryotic?

Options

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

1. The highly folded membranes found in such eukaryotic organelles as mitochondria and chloroplasts

Options

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

2. Lysosomes are specialized vesicles in __________ that contain digestive enzymes for the breakdown of food. A related organalle known as a vacuole, which is found in __________ , also contains enzymes but in addition may act as a storage organelle for nutrients or water.

Options

A : animals; plants and fungi

B : plants; animals and fungi

C : plants and fungi; animals

D : animals and plants; fungi

3. Which of the following is present in both prokaryotes and eukaryotes?

Options

A : Lysosome

B : Chloroplast

C : Plasma membrane

D : Vacuole

4. 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?

Options

A : Lysosome

B : Vesicles

C : Mitochondria

D : Plasma membrane

5. What do dystrophin, utrophin, actin, and tubulin have to do with eukaryotic cell structure and function?

Options

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

6. An organism's first line of defense against attack by an invader such as a virus or bacterium is usually

Options

A : to flee or hide

B : its body wall

C : a specific immune response

D : a nonspecific immune response

7. Which of the following are responsible causing the diseases?

Options

A : Pathogens

B : T cells

C : Lymphocytes

D : Macrophages

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