Biology: Trivia Questions On The Structure Of The Cell
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Questions and Answers
- 1.
Unlike a eukaryoteic cell, a prokaryotic cell does not have...
- A.
DNA.
- B.
A nucleus.
- C.
Cytoplasm.
- D.
A cell membrane.
Correct Answer
B. A nucleus.Explanation
A prokaryotic cell does not have a nucleus. This is because prokaryotes are simple, single-celled organisms that lack a membrane-bound nucleus. Instead, their DNA is found in a region called the nucleoid, which is not enclosed by a nuclear membrane. In contrast, eukaryotic cells, which make up plants, animals, fungi, and protists, have a true nucleus that houses their DNA. The absence of a nucleus in prokaryotes is one of the key distinguishing features between prokaryotic and eukaryotic cells.Rate this question:
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- 2.
A membrane-bound sac used to transport substances into and out of cells is a ...
- A.
Pump
- B.
Macrophage
- C.
Lysosome
- D.
Vesicle
Correct Answer
D. VesicleExplanation
A membrane-bound sac used to transport substances into and out of cells is a vesicle. Vesicles are small, spherical structures that are formed by the cell membrane. They play a crucial role in cellular transport, allowing molecules such as proteins, lipids, and other cellular components to be transported within the cell or between different cells. Vesicles can fuse with the cell membrane to release their contents outside the cell or fuse with other organelles to deliver their cargo to specific locations within the cell.Rate this question:
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- 3.
Which of the following is a network of proteins that supports and gives shape to a cell?
- A.
Cytoskeleton
- B.
Cytoplasm
- C.
Vesicles
- D.
Vacuoles
Correct Answer
A. CytoskeletonExplanation
The cytoskeleton is a network of proteins that provides structural support and shape to a cell. It helps maintain the cell's shape, enables cell movement, and assists in cell division. The cytoskeleton is made up of three main components: microfilaments, intermediate filaments, and microtubules. These proteins work together to give the cell its structure and allow for various cellular processes to occur.Rate this question:
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- 4.
Which of the following organelles can be found on the surface of the endoplasmic reticulum?
- A.
Golgi apparatus
- B.
Mitochondria
- C.
Ribosomes
- D.
Centrioles
Correct Answer
C. RibosomesExplanation
Ribosomes can be found on the surface of the endoplasmic reticulum. This is because the endoplasmic reticulum is involved in protein synthesis, and ribosomes are the cellular structures responsible for protein synthesis. They are often found attached to the endoplasmic reticulum, specifically to the rough endoplasmic reticulum, where they help in the production of proteins that are then transported to other parts of the cell or outside the cell.Rate this question:
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- 5.
Which organelle is the storehouse for most of a cell's genetic information?
- A.
Nucleus
- B.
Mitochondrion
- C.
Centriole
- D.
Chloroplast
Correct Answer
A. NucleusExplanation
The nucleus is the storehouse for most of a cell's genetic information. It contains the cell's DNA, which carries the instructions for making proteins and controlling cell functions. The DNA is organized into chromosomes within the nucleus. The nucleus also regulates the cell's activities and controls the synthesis of RNA and proteins. The other organelles listed (mitochondrion, centriole, and chloroplast) do not store genetic information to the same extent as the nucleus.Rate this question:
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- 6.
What is the main function of the Golgi apparatus?
- A.
Convert solar energy to chemical energy
- B.
Communicate with other cells
- C.
Process and deliver proteins
- D.
Copy genetic material
Correct Answer
C. Process and deliver proteinsExplanation
The Golgi apparatus is responsible for processing and delivering proteins within the cell. It receives proteins from the endoplasmic reticulum, modifies them by adding sugars and other molecules, and then packages them into vesicles for transport to their final destination within the cell or for secretion outside the cell. This process ensures that proteins are properly folded, modified, and targeted to their specific locations, allowing them to carry out their functions effectively.Rate this question:
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- 7.
What is the term for the jelly-like substance that is contained insidethe cell membrane?
- A.
Cytoplasm
- B.
Nucleus
- C.
Organelle
- D.
DNA
Correct Answer
A. CytoplasmExplanation
Cytoplasm is the correct answer because it refers to the jelly-like substance that is contained inside the cell membrane. It is a semi-fluid substance that fills the space between the cell membrane and the nucleus, and it contains various organelles and dissolved nutrients necessary for cell function. The nucleus is the control center of the cell, organelles are specialized structures within the cell, and DNA is the genetic material found within the nucleus.Rate this question:
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- 8.
Which of the following is responsible for making membrane and protein?
- A.
Rough Endoplasmic Reticulum
- B.
Smooth Endoplasmic reticulum
- C.
Golgi Apparatus
- D.
Chloroplast
Correct Answer
A. Rough Endoplasmic ReticulumExplanation
The rough endoplasmic reticulum is responsible for making membranes and proteins. It contains ribosomes on its surface, which are responsible for protein synthesis. The rough ER is involved in the production of proteins that are either embedded in the cell membrane or destined for secretion. It also plays a role in the synthesis of phospholipids, which are the main components of cell membranes. Therefore, the rough endoplasmic reticulum is the correct answer for this question.Rate this question:
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- 9.
Which of the following is responsible for breaking down toxins and drugs in liver cells?
- A.
Rough Endoplasmic Reticulum
- B.
Smooth Endoplasmic Reticulum
- C.
Golgi Apparatus
- D.
Chloroplast
Correct Answer
B. Smooth Endoplasmic ReticulumExplanation
The smooth endoplasmic reticulum is responsible for breaking down toxins and drugs in liver cells. It contains enzymes that help in the metabolism and detoxification of various substances. This organelle plays a crucial role in the liver's ability to process and eliminate harmful compounds from the body. Unlike the rough endoplasmic reticulum, which is involved in protein synthesis, the smooth endoplasmic reticulum specializes in lipid metabolism and detoxification processes. The Golgi apparatus is responsible for modifying, sorting, and packaging proteins, while chloroplasts are found in plant cells and are responsible for photosynthesis.Rate this question:
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- 10.
A membrane-bound sac that contains digestive enzymes is a ...
- A.
Pump.
- B.
Macrophage.
- C.
Lysosome.
- D.
Vesicle.
Correct Answer
C. Lysosome.Explanation
A lysosome is a membrane-bound sac that contains digestive enzymes. These enzymes help break down waste materials, cellular debris, and foreign substances that enter the cell. Lysosomes play a crucial role in maintaining cellular health and recycling nutrients. They are responsible for the degradation of macromolecules and the removal of damaged organelles. The other options, pump, macrophage, and vesicle, do not accurately describe a membrane-bound sac containing digestive enzymes like a lysosome does.Rate this question:
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- 11.
Which of the following is a feature found only in plant cells?
- A.
Central vacuole
- B.
Mitochondria
- C.
Nucleus
- D.
Centriole
Correct Answer
A. Central vacuoleExplanation
The central vacuole is a feature found only in plant cells. It is a large, membrane-bound sac that occupies most of the cell's volume. The central vacuole functions in storing water, nutrients, and waste products, as well as maintaining turgor pressure to support the cell's structure. In contrast, mitochondria, nucleus, and centriole are found in both plant and animal cells. Mitochondria are responsible for energy production, the nucleus contains the cell's genetic material, and centrioles play a role in cell division.Rate this question:
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- 12.
Which of the following is a feature found only in animal cells?
- A.
Central vacuole
- B.
Mitochondria
- C.
Nucleus
- D.
Centriole
Correct Answer
D. CentrioleExplanation
Centrioles are a feature found only in animal cells. They are cylindrical structures composed of microtubules and are involved in cell division. Centrioles play a crucial role in organizing the spindle fibers during cell division, ensuring proper distribution of genetic material to daughter cells. Plant cells lack centrioles, making them a unique feature of animal cells.Rate this question:
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- 13.
Which of the following is not found in a plant cell?
- A.
Mitochondria
- B.
Chloroplast
- C.
Golgi apparatus
- D.
Flagella
Correct Answer
D. FlagellaExplanation
Flagella are not found in plant cells. Flagella are whip-like structures that are used for movement in some organisms, such as bacteria and sperm cells. Plant cells do not have flagella, as they have cell walls and are typically stationary. Instead, plant cells have other structures like chloroplasts, mitochondria, and the Golgi apparatus, which are involved in various cellular functions such as photosynthesis, energy production, and protein synthesis.Rate this question:
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- 14.
Which of the following is not found in a animal cell?
- A.
Mitochondria
- B.
Cell wall
- C.
Golgi apparatus
- D.
Vacuole
Correct Answer
B. Cell wallExplanation
The correct answer is cell wall. Animal cells do not have a cell wall, unlike plant cells. The cell wall is a rigid structure found in plant cells that provides support and protection. Animal cells, on the other hand, have a flexible cell membrane that surrounds and protects the cell. The other options listed, mitochondria, Golgi apparatus, and vacuole, are all organelles that can be found in animal cells.Rate this question:
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- 15.
What structure is labeled A?
- A.
Cell wall
- B.
Nucleus
- C.
Vacuole
- D.
Endoplasmic reticulum
Correct Answer
A. Cell wallExplanation
The structure labeled A is the cell wall. The cell wall is a rigid outer layer that provides support and protection to the cell. It is found in plant cells, fungi, and some bacteria. The cell wall is made up of cellulose in plants and chitin in fungi. It helps maintain the shape of the cell and prevents it from bursting under osmotic pressure. The cell wall also allows for communication and interaction between neighboring cells.Rate this question:
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- 16.
What structure is labeled B?
- A.
Cell wall
- B.
Nucleus
- C.
Vacuole
- D.
Chloroplast
Correct Answer
D. ChloroplastExplanation
B is labeled as chloroplast because chloroplasts are the organelles found in plant cells that are responsible for photosynthesis. They contain chlorophyll, which gives plants their green color and allows them to convert sunlight into energy. Chloroplasts have a double membrane and contain their own DNA and ribosomes, which are characteristics of a separate organelle within the cell. The other options, such as cell wall, nucleus, and vacuole, do not match the description of B.Rate this question:
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- 17.
What structure is labeled C?
- A.
Cell wall
- B.
Nucleus
- C.
Vacuole
- D.
Chloroplast
Correct Answer
C. VacuoleExplanation
The structure labeled C is the vacuole. The vacuole is a membrane-bound organelle found in plant cells and some other eukaryotic cells. It is responsible for storing water, ions, and nutrients, as well as maintaining turgor pressure in plant cells. The vacuole also plays a role in detoxification, waste disposal, and maintaining the pH balance within the cell.Rate this question:
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- 18.
What type of cell is this?
- A.
Bacterial cell
- B.
Animal cell
- C.
Prokaryote cell
- D.
Eukaryote cell
Correct Answer
D. Eukaryote cellExplanation
This cell is classified as a eukaryote cell because it contains a nucleus and other membrane-bound organelles. Eukaryote cells are typically found in organisms such as plants, animals, fungi, and protists. They are more complex than prokaryote cells, which lack a nucleus and organelles.Rate this question:
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- 19.
What structure is labeled A?
- A.
Nucleus
- B.
Mitochondrion
- C.
Rough E.R.
- D.
Smooth E.R.
Correct Answer
A. NucleusExplanation
The structure labeled A is the nucleus. The nucleus is a membrane-bound organelle found in eukaryotic cells. It contains the cell's genetic material, including DNA, and is responsible for controlling the cell's activities. It plays a crucial role in cell division, gene expression, and the overall functioning of the cell.Rate this question:
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- 20.
What structure is labeled B?
- A.
Nucleus
- B.
Mitochondrion
- C.
Rough E.R.
- D.
Smooth E.R.
Correct Answer
D. Smooth E.R.Explanation
Structure B is labeled as smooth E.R. The smooth endoplasmic reticulum (E.R.) is a network of membrane-bound tubes and sacs present in eukaryotic cells. It lacks ribosomes on its surface, which gives it a smooth appearance. The smooth E.R. is involved in various functions such as lipid synthesis, detoxification of drugs and toxins, and calcium ion storage.Rate this question:
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- 21.
What structure is labeled D?
- A.
Nucleus
- B.
Mitochondrion
- C.
Rough E.R.
- D.
Smooth E.R.
Correct Answer
B. MitochondrionExplanation
The structure labeled D is a mitochondrion. Mitochondria are double-membraned organelles found in most eukaryotic cells. They are known as the "powerhouses" of the cell because they generate most of the cell's supply of adenosine triphosphate (ATP), which is used as a source of chemical energy. Mitochondria have their own DNA and can replicate independently within the cell. They play a crucial role in cellular respiration, converting nutrients into ATP through a series of metabolic reactions.Rate this question:
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- 22.
What structure is labeled E?
- A.
Golgi body
- B.
Mitochondrion
- C.
Rough E.R.
- D.
Smooth E.R.
Correct Answer
A. Golgi bodyExplanation
Structure E is labeled as the Golgi body because it is responsible for modifying, sorting, and packaging proteins and lipids that are synthesized in the endoplasmic reticulum. The Golgi body consists of a series of flattened sacs called cisternae, which are involved in the processing and transportation of these molecules to their final destinations within the cell or for secretion outside the cell.Rate this question:
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- 23.
What structure is labeled F?
- A.
Nucleus
- B.
Mitochondrion
- C.
Rough E.R.
- D.
Centrioles
Correct Answer
D. CentriolesExplanation
Centrioles are small, cylindrical structures found in animal cells that play a crucial role in cell division. They are responsible for organizing the microtubules that form the spindle fibers during cell division, aiding in the separation of chromosomes. The other options listed, such as the nucleus, mitochondrion, and rough E.R., have distinct structures and functions within the cell, but they do not correspond to the labeled structure F. Therefore, the correct answer is centrioles.Rate this question:
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- 24.
What structure is labeled C?
- A.
Nucleus
- B.
Mitochondrion
- C.
Rough E.R.
- D.
Smooth E.R.
Correct Answer
C. Rough E.R.Explanation
The structure labeled C is the rough E.R. The rough E.R. is characterized by the presence of ribosomes on its surface, which gives it a rough appearance. It is responsible for protein synthesis and plays a crucial role in the transportation of proteins within the cell.Rate this question:
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- 25.
What type of cell is this?
- A.
Prokaryote
- B.
Bacterial
- C.
Animal cell
- D.
Plant cell
Correct Answer
C. Animal cellExplanation
This cell is an animal cell because it lacks a nucleus and other membrane-bound organelles, which are characteristics of eukaryotic cells. Prokaryotic cells, such as bacteria, also lack a nucleus but have a different structure and organization. Plant cells, on the other hand, have additional organelles like chloroplasts and a cell wall, which are not present in this cell.Rate this question:
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- 26.
What type of cell is pictured here?
- A.
Prokaryote
- B.
Eukaryote
- C.
Plant cell
- D.
Animal cell
Correct Answer
A. ProkaryoteExplanation
The cell pictured here is a prokaryote. Prokaryotes are single-celled organisms that lack a nucleus and other membrane-bound organelles. They are typically smaller and simpler in structure compared to eukaryotic cells. In the image, if the cell does not have a distinct nucleus or any membrane-bound organelles visible, it is likely a prokaryote.Rate this question:
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- 27.
Which of the following is not part of the Cell Theory?
- A.
Cells are the smallest unit of life.
- B.
All cells come from pre-existing cells.
- C.
All living things are made of cells.
- D.
Viruses are the smallest type of cell.
Correct Answer
D. Viruses are the smallest type of cell.Explanation
The given answer is correct because viruses are not considered cells. They are acellular particles that are not made up of cells and do not possess the characteristics of living organisms. While they can replicate and infect living cells, they are not considered part of the cell theory, which states that all living things are made up of cells and that cells arise from pre-existing cells.Rate this question:
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