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Which of the following statements is the correct definition of a cell?
- a)The cell is the smallest part of a living being.
- b)The cell is the part that can be seen only under a microscope.
- c)The cell is the starting point in the life of all organisms.
- d)The cell is the structural and functional unit of life.
Correct answer is option 'D'. Can you explain this answer?
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Which of the following statements is the correct definition of a cell?...
The cell is the structural and functional unit of life.
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Which of the following statements is the correct definition of a cell?...
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Which of the following statements is the correct definition of a cell?...
Understanding the Cell
The statement that defines a cell as the "structural and functional unit of life" (option D) is the most accurate. Here’s why:
What is a Cell?
- A cell is the basic building block of all living organisms.
- Every living organism, from the simplest bacteria to complex humans, is made up of cells.
Structural Unit
- Cells provide structure to living beings.
- They come together to form tissues, which then combine to form organs and systems.
- For example, muscle cells form muscle tissue, which helps in movement.
Functional Unit
- Cells perform vital functions necessary for survival, such as metabolism, energy production, and reproduction.
- Each cell type has specific functions; for instance, red blood cells transport oxygen, while nerve cells transmit signals.
Why Other Options are Incorrect
- **Option A:** "The cell is the smallest part of a living being."
- This is misleading as it implies that cells are merely small parts; they are integral to life.
- **Option B:** "The cell is the part that can be seen only under a microscope."
- While many cells are microscopic, some can be observed with the naked eye (e.g., egg cells).
- **Option C:** "The cell is the starting point in the life of all organisms."
- While cells are foundational, organisms also develop from multicellular stages (like embryos).
Conclusion
In summary, option D is the most comprehensive definition, capturing both the structural and functional significance of cells in life. Understanding this concept is crucial for grasping the fundamentals of biology.
The statement that defines a cell as the "structural and functional unit of life" (option D) is the most accurate. Here’s why:
What is a Cell?
- A cell is the basic building block of all living organisms.
- Every living organism, from the simplest bacteria to complex humans, is made up of cells.
Structural Unit
- Cells provide structure to living beings.
- They come together to form tissues, which then combine to form organs and systems.
- For example, muscle cells form muscle tissue, which helps in movement.
Functional Unit
- Cells perform vital functions necessary for survival, such as metabolism, energy production, and reproduction.
- Each cell type has specific functions; for instance, red blood cells transport oxygen, while nerve cells transmit signals.
Why Other Options are Incorrect
- **Option A:** "The cell is the smallest part of a living being."
- This is misleading as it implies that cells are merely small parts; they are integral to life.
- **Option B:** "The cell is the part that can be seen only under a microscope."
- While many cells are microscopic, some can be observed with the naked eye (e.g., egg cells).
- **Option C:** "The cell is the starting point in the life of all organisms."
- While cells are foundational, organisms also develop from multicellular stages (like embryos).
Conclusion
In summary, option D is the most comprehensive definition, capturing both the structural and functional significance of cells in life. Understanding this concept is crucial for grasping the fundamentals of biology.
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Which of the following statements is the correct definition of a cell?a)The cell is the smallest part of a living being.b)The cell is the part that can be seen only under a microscope.c)The cell is the starting point in the life of all organisms.d)The cell is the structural and functional unit of life.Correct answer is option 'D'. Can you explain this answer?
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Which of the following statements is the correct definition of a cell?a)The cell is the smallest part of a living being.b)The cell is the part that can be seen only under a microscope.c)The cell is the starting point in the life of all organisms.d)The cell is the structural and functional unit of life.Correct answer is option 'D'. Can you explain this answer? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Which of the following statements is the correct definition of a cell?a)The cell is the smallest part of a living being.b)The cell is the part that can be seen only under a microscope.c)The cell is the starting point in the life of all organisms.d)The cell is the structural and functional unit of life.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 8 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements is the correct definition of a cell?a)The cell is the smallest part of a living being.b)The cell is the part that can be seen only under a microscope.c)The cell is the starting point in the life of all organisms.d)The cell is the structural and functional unit of life.Correct answer is option 'D'. Can you explain this answer?.
Which of the following statements is the correct definition of a cell?a)The cell is the smallest part of a living being.b)The cell is the part that can be seen only under a microscope.c)The cell is the starting point in the life of all organisms.d)The cell is the structural and functional unit of life.Correct answer is option 'D'. Can you explain this answer? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Which of the following statements is the correct definition of a cell?a)The cell is the smallest part of a living being.b)The cell is the part that can be seen only under a microscope.c)The cell is the starting point in the life of all organisms.d)The cell is the structural and functional unit of life.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 8 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements is the correct definition of a cell?a)The cell is the smallest part of a living being.b)The cell is the part that can be seen only under a microscope.c)The cell is the starting point in the life of all organisms.d)The cell is the structural and functional unit of life.Correct answer is option 'D'. Can you explain this answer?.
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