CBSE Class 9 > Class 9 Notes > Science > Infographics: The Fundamental Unit of Life
Infographics: The Fundamental Unit of Life
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Page 1 C e l l Structure and basic functions These components work together to maintain cellular homeostasis and perform essential life activities. Storage and transportation They manage nutrients, eliminate waste, and regulate metabolic processes. Basic and fundamental unit of life, it possesses a highly organized structure that enables it to carry out its vital functions. Protein synthesis Building and repairing cellular structures, regulating biological processes, and expressing specific characteristics of each organism. Energy supply To carry out vital functions and necessary metabolic processes essential for the proper functioning of the cell and/or organism. Cellular digestion It involves breaking down molecules and unwanted materials, enabling the recycling of nutrients and cellular maintenance. Support and movement Maintaining cellular shape, enabling cellular movement and division, are essential for its functioning and survival. Cell membrane Cell nucleus Cytoplasm Ribosome Golgi apparatus Endoplasmic reticulum Chloroplasts Mitochondria Peroxisomes Lysosomes Vesicles and endosomes Vacuoles Cytoskeleton Flagella and ciliaRead More
FAQs on Infographics: The Fundamental Unit of Life
| 1. What is the fundamental unit of life? |  |
Ans. The fundamental unit of life is the cell. Cells are the basic building blocks of all living organisms, and they perform essential functions necessary for life, such as energy production, metabolism, and reproduction.
| 2. How do cells differ between plant and animal organisms? | |
Ans. Plant cells have a rigid cell wall, chloroplasts for photosynthesis, and large central vacuoles for storage. In contrast, animal cells lack a cell wall and chloroplasts and usually have smaller vacuoles. These differences allow plants and animals to adapt to their environments in distinct ways.
| 3. What are the main components of a cell? | |
Ans. The main components of a cell include the cell membrane, cytoplasm, nucleus, mitochondria, ribosomes, and, in plant cells, chloroplasts. Each component has specific functions, such as energy production, genetic information storage, and protein synthesis.
| 4. What is the role of the cell membrane? | |
Ans. The cell membrane acts as a protective barrier that regulates what enters and exits the cell. It is selectively permeable, meaning it allows certain substances to pass while blocking others, thus maintaining the cell's internal environment.
| 5. How do cells reproduce? | |
Ans. Cells reproduce through a process called cell division. In eukaryotic cells, this typically occurs via mitosis for somatic (body) cells and meiosis for gametes (sex cells). Mitosis results in two identical daughter cells, while meiosis produces four genetically diverse cells.
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Document Description: Infographics: The Fundamental Unit of Life for Class 9 2026 is part of Science Class 9 preparation. The notes and questions for Infographics: The Fundamental Unit of Life have been prepared according to the Class 9 exam syllabus. Information about Infographics: The Fundamental Unit of Life covers topics like and Infographics: The Fundamental Unit of Life Example, for Class 9 2026 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Infographics: The Fundamental Unit of Life.
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