Biology Quiz: Cell Organelles

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| By Alfredhook3

Alfredhook3

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Quizzes Created: 2940 | Total Attempts: 2,639,505

Questions: 10 | Attempts: 563 | Updated: Mar 20, 2023

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Questions and Answers

1.

The powerhouse of the cell:
- A.
  
  Mitochondria
- B.
  
  Ribosomes
- C.
  
  Plastids
- D.
  
  Endoplasmic reticulum
Correct Answer
A. Mitochondria

Explanation
Mitochondria are known as the powerhouse of the cell because they are responsible for producing the majority of the cell's energy in the form of adenosine triphosphate (ATP) through cellular respiration. They have their own DNA and can replicate independently within the cell. This organelle contains enzymes that are involved in the citric acid cycle and oxidative phosphorylation, which are essential for generating ATP. Mitochondria are found in large numbers in cells that require a lot of energy, such as muscle cells, and play a crucial role in maintaining cellular function and metabolism.

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1
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2.

The cell organelle with tonoplast and cell sap:
- A.
  
  Vacuoles
- B.
  
  Mitochondria
- C.
  
  Ribosomes
- D.
  
  Plastids
Correct Answer
A. Vacuoles

Explanation
Vacuoles are cell organelles that contain a tonoplast, which is a membrane that surrounds the vacuole and separates its contents from the cytoplasm. The vacuole is filled with cell sap, a mixture of water, ions, sugars, and other substances. This organelle is responsible for storing nutrients, maintaining turgor pressure, and regulating the cell's pH. Therefore, vacuoles are the correct answer to the question.

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3.

The cell organelle which helps in the transport of cell products:
- A.
  
  Mitochondria
- B.
  
  Vacuoles
- C.
  
  Plastids
- D.
  
  Endoplasmic reticulum
Correct Answer
D. Endoplasmic reticulum

Explanation
The endoplasmic reticulum is a cell organelle that plays a crucial role in the transport of cell products. It is a network of membranes that extends throughout the cytoplasm of the cell. The endoplasmic reticulum is responsible for the synthesis, folding, and transport of proteins and lipids. It has two main regions: the rough endoplasmic reticulum, which is studded with ribosomes and involved in protein synthesis, and the smooth endoplasmic reticulum, which is involved in lipid metabolism and detoxification. Therefore, the endoplasmic reticulum is the correct answer as it aids in the transport of cell products.

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4.

Sites of protein synthesis:
- A.
  
  Mitochondria
- B.
  
  Plastids
- C.
  
  Ribosomes
- D.
  
  Chloroplast
Correct Answer
C. Ribosomes

Explanation
Ribosomes are the sites of protein synthesis in cells. They are small organelles found in both eukaryotic and prokaryotic cells. Ribosomes are responsible for translating the genetic information stored in messenger RNA (mRNA) into proteins. They consist of two subunits, a large and a small subunit, that come together during protein synthesis. Ribosomes can be found free in the cytoplasm or attached to the endoplasmic reticulum. They play a crucial role in the production of proteins, which are essential for various cellular functions and processes.

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1
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5.

The cell organelle responsible for secretions:
- A.
  
  Mitochondria
- B.
  
  Ribosomes
- C.
  
  Plastids
- D.
  
  Golgi apparatus
Correct Answer
D. Golgi apparatus

Explanation
The Golgi apparatus is responsible for secretions in the cell. It is involved in the processing, packaging, and distribution of proteins and lipids. It receives proteins and lipids from the endoplasmic reticulum and modifies them by adding sugar molecules or other chemical groups. The Golgi apparatus then packages these modified molecules into vesicles and transports them to their final destination, either within or outside the cell. Therefore, the Golgi apparatus plays a crucial role in the secretion of various substances from the cell.

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6.

The cell organelle that help in photosynthesis:
- A.
  
  Chloroplast
- B.
  
  Leucoplast
- C.
  
  Chromoplast
- D.
  
  Plastids
Correct Answer
A. Chloroplast

Explanation
Chloroplasts are the cell organelles that are responsible for photosynthesis in plants. They contain chlorophyll, a pigment that captures sunlight and converts it into chemical energy in the form of glucose. This process is essential for plants to produce food and oxygen. Chloroplasts are found in the cells of green plant tissues and algae, and they have a unique double membrane structure that helps them carry out photosynthesis efficiently. Therefore, chloroplast is the correct answer as it is specifically involved in the process of photosynthesis.

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7.

The cell organelle that provides color to fruits and flowers:
- A.
  
  Chloroplast
- B.
  
  Leucoplast
- C.
  
  Chromoplast
- D.
  
  Plastids
Correct Answer
C. Chromoplast

Explanation
Chromoplasts are the cell organelles responsible for providing color to fruits and flowers. They contain pigments such as carotenoids that give fruits and flowers their vibrant hues. Chloroplasts, on the other hand, are responsible for photosynthesis and are found in plant cells. Leucoplasts are colorless organelles that store starch, oils, and proteins. Plastids is a general term that encompasses all types of organelles involved in various metabolic functions in plant cells.

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8.

The cell organelle that helps in storage of food:
- A.
  
  Chloroplast
- B.
  
  Leucoplast
- C.
  
  Chromoplast
- D.
  
  Plastids
Correct Answer
B. Leucoplast

Explanation
Leucoplast is the correct answer because it is a type of plastid that is responsible for the storage of food in plant cells. Leucoplasts are colorless and can be found in various parts of the plant, such as roots, tubers, and seeds. They store nutrients such as starch, lipids, and proteins, which are essential for the growth and development of the plant. Unlike chloroplasts and chromoplasts, leucoplasts do not contain pigments and are therefore not involved in photosynthesis or pigment synthesis.

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9.

The cell organelle involved in cell division:
- A.
  
  Mitochondria
- B.
  
  Ribosomes
- C.
  
  Centrosomes
- D.
  
  Plastids
Correct Answer
C. Centrosomes

Explanation
Centrosomes are the cell organelles involved in cell division. They play a crucial role in organizing the microtubules during cell division, forming the spindle fibers that help separate the chromosomes. Centrosomes contain a pair of centrioles that aid in the formation of the spindle apparatus. These structures ensure the accurate distribution of genetic material to the daughter cells during both mitosis and meiosis. Mitochondria are responsible for energy production, ribosomes are involved in protein synthesis, and plastids are responsible for various functions like photosynthesis and storage.

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10.

The cell organelle that contains various pigments and play a specific role in the functioning of plants:
- A.
  
  Chloroplast
- B.
  
  Leucoplast
- C.
  
  Chromoplast
- D.
  
  Plastids
Correct Answer
D. Plastids

Explanation
Plastids are the correct answer because they are cell organelles that contain various pigments and play a specific role in the functioning of plants. Plastids include chloroplasts, which are responsible for photosynthesis and contain the green pigment chlorophyll, as well as other types such as leucoplasts and chromoplasts that contain different pigments and have specific functions in storage and pigment synthesis in plants.

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Current Version
Mar 20, 2023

Quiz Edited by
ProProfs Editorial Team
Dec 08, 2020

Quiz Created by
Alfredhook3

Biology Quiz: Cell Organelles

The powerhouse of the cell:

The cell organelle with tonoplast and cell sap:

The cell organelle which helps in the transport of cell products:

Sites of protein synthesis:

The cell organelle responsible for secretions:

The cell organelle that help in photosynthesis:

The cell organelle that provides color to fruits and flowers:

The cell organelle that helps in storage of food:

The cell organelle involved in cell division:

The cell organelle that contains various pigments and play a specific role in the functioning of plants: