Cell Organelles And Their Functions Trivia

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Quizzes Created: 1 | Total Attempts: 157,415
Questions: 16 | Viewed: 157,447

1.

What is the function of a cell wall?

Answer: Structure and protection
Explanation:
The function of a cell wall is to provide structure and protection to the cell. It acts as a rigid outer layer that gives shape to the cell and protects it from external mechanical forces. The cell wall also helps in preventing the cell from bursting due to osmotic pressure. Additionally, it provides a barrier against pathogens and other harmful substances, ensuring the cell's integrity and survival.
2.

What role do chloroplasts play?

Answer: Photosynthesis
Explanation:
Chloroplasts are responsible for photosynthesis, the process by which plants convert sunlight into energy. They contain chlorophyll, a pigment that captures light energy, and other molecules necessary for the chemical reactions involved in photosynthesis. Through this process, chloroplasts produce glucose and oxygen, which are essential for the plant's growth and survival. Therefore, the correct answer is photosynthesis.
3.

What is the function of the central vacuole?

Answer: Increases the cell surface area, stores metabolic waste, water and nutrients.
Explanation:
The central vacuole functions to increase the cell surface area and store metabolic waste. It helps maintain the shape and structure of the cell by occupying a large portion of the cell's volume. Additionally, the central vacuole stores various substances such as water, ions, nutrients, and waste products. By storing metabolic waste, the vacuole prevents the accumulation of harmful substances within the cell. Moreover, the expansion and contraction of the central vacuole can also contribute to changes in cell size and shape.
4.

Nucleus plays an important role in ____________. 

Answer: Organizing DNA
Explanation:
The nucleus is responsible for organizing DNA within a cell. It contains the cell's genetic material, including chromosomes and genes, which carry the instructions for the cell's functions and characteristics. The nucleus ensures that the DNA is properly organized and packaged, allowing for efficient gene expression and regulation. This organization is crucial for the cell's overall functioning and development.
5.

What is the role of nucleolus?  

Answer: Assembly of Subunits of Ribosomes.
Explanation:
The nucleolus is responsible for the assembly of subunits of ribosomes. Ribosomes are essential for protein synthesis, and they consist of two subunits that are synthesized separately and then assembled in the nucleolus. Once the subunits are assembled, they are transported out of the nucleolus to the cytoplasm, where they can join together and function as ribosomes. Therefore, the role of the nucleolus is specifically related to the assembly of ribosomal subunits, rather than other cellular processes such as lipid modification, protein synthesis, or controlling substances entering or leaving the cell.
6.

What is the role of ribosomes?

Answer: Protein synthesis
Explanation:
Ribosomes play a crucial role in protein synthesis, which involves the creation of new proteins. They act as the site where mRNA is translated into proteins by assembling amino acids in the correct order. This process is essential for the functioning and maintenance of cells, as proteins are involved in various cellular processes such as enzyme activity, cell signaling, and structural support. Therefore, the role of ribosomes in protein synthesis is vital for the overall functioning and survival of cells.
7.

What is the function of rough ER?

Answer: Protein synthesis, processing, and transport.
Explanation:
The rough endoplasmic reticulum (rough ER) is a complex organelle within a cell that serves several important functions, primarily related to protein synthesis, processing, and transport. It plays a crucial role in the proper functioning of the cell and is characterized by its rough appearance due to the presence of ribosomes attached to its surface.
8.

What is the function of smooth ER?

Answer: Makes lipids, degrades fats, and inactivates toxins.
Explanation:
Smooth ER is responsible for making lipids, degrading fats, and inactivating toxins. It does not have a role in communication between cells, organizing DNA, organizing and moving internal parts of the cell, or digesting and recycling materials. Therefore, the correct answer is that smooth ER is involved in lipid synthesis, fat degradation, and toxin inactivation.
9.

What is the importance of the Golgi Body?

Answer: It modifies, sorts, and ships lipids for export or for insertion into the cell membrane.
Explanation:
The Golgi Body plays a crucial role in the cell by modifying, sorting, and shipping lipids for export or for insertion into the cell membrane. This process is essential for maintaining the integrity and functionality of the cell membrane. By modifying and sorting lipids, the Golgi Body ensures that they are properly distributed within the cell and transported to their intended destinations. This is important for various cellular processes, including cell signaling, membrane repair, and the export of lipids to other parts of the body.
10.

Lysosome-Like Vesicle helps in _________. 

Answer: Digesting, and recycling the materials.
Explanation:
The Lysosome-Like Vesicle is responsible for digesting and recycling materials within the cell. It breaks down various substances, such as proteins, lipids, and carbohydrates, into smaller components that can be reused by the cell. This process helps to maintain cellular homeostasis by removing waste products and recycling essential nutrients.
11.

What is the primary source of energy for the aerobic energy system?

Answer: Glucose
Explanation:
The primary source of energy for the aerobic energy system is glucose. This system relies on the aerobic metabolism of glucose (and other carbohydrates) to produce ATP (adenosine triphosphate), which is the primary energy currency of cells. Aerobic metabolism occurs in the presence of oxygen and involves the breakdown of glucose through processes such as glycolysis, the citric acid cycle (Krebs cycle), and oxidative phosphorylation in the mitochondria.
12.

Mitochondrion helps in _______. 

Answer: ATP formation.
Explanation:
Mitochondria are responsible for ATP formation. ATP, or adenosine triphosphate, is the main energy currency of cells. Mitochondria have their own DNA and specialized machinery to generate ATP through a process called oxidative phosphorylation. This process involves the transfer of electrons from molecules in the mitochondria to generate a proton gradient, which is then used to produce ATP. Therefore, the correct answer is ATP formation.
13.

What role does the cytoskeleton play? 

Answer: Organizes and moves internal parts of the cell.
Explanation:
The cytoskeleton is a network of protein filaments within cells that provides structural support and facilitates various cellular processes such as cell movement, cell division, and intracellular transport. It helps in organizing and moving internal parts of the cell, including organelles such as the nucleus and mitochondria.
14.

Microtubules help in _____________. 

Answer: Organizing and moving internal parts of the cell.
Explanation:
Microtubules are responsible for organizing and moving internal parts of the cell. They form a network of protein filaments that provide structural support and act as tracks for transporting organelles, vesicles, and other cellular components. By organizing and moving these internal parts, microtubules play a crucial role in various cellular processes such as cell division, intracellular transport, and maintaining cell shape.
15.

Microfilaments help in ______________. 

Answer: Cell contraction, movements, and structural support.
Explanation:
Microfilaments, also known as actin filaments, are thin protein filaments that play a crucial role in cell contraction, movements, and structural support. They form a network within the cell, providing mechanical support and enabling various cellular processes such as cell division, cell migration, and muscle contraction. By interacting with other proteins and motor molecules, microfilaments generate the force necessary for cell movement and shape changes. They also contribute to the maintenance of cell shape and provide structural support to the cell.
16.

Intermediate Filaments helps in __________. 

Answer: Strengthening the cell.
Explanation:
Intermediate filaments play a crucial role in strengthening the cell. They provide mechanical support and stability to the cell, helping it withstand physical stress and maintain its shape. These filaments are particularly important in cells that experience mechanical strain, such as muscle cells and epithelial cells. By forming a strong network within the cytoplasm, intermediate filaments contribute to the overall structural integrity of the cell, ensuring its proper functioning and protection against external forces.
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