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Mind Map: Cell: The Unit of Life | Biology Class 11 - NEET PDF Download

Mind Map: Cell: The Unit of Life | Biology Class 11 - NEET

The document Mind Map: Cell: The Unit of Life | Biology Class 11 - NEET is a part of the NEET Course Biology Class 11.
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FAQs on Mind Map: Cell: The Unit of Life - Biology Class 11 - NEET

1. What is a cell?
Ans. A cell is the basic structural and functional unit of all living organisms. It is the smallest unit of life that can independently carry out the processes necessary for survival.
2. What are the main components of a cell?
Ans. The main components of a cell include the cell membrane, cytoplasm, and nucleus. The cell membrane acts as a barrier and regulates the exchange of substances between the cell and its surroundings. The cytoplasm is a jelly-like substance that fills the cell and contains various organelles. The nucleus contains the genetic material of the cell and controls its activities.
3. How do cells obtain energy?
Ans. Cells obtain energy through a process called cellular respiration. This process involves breaking down glucose molecules to release energy in the form of ATP (adenosine triphosphate). Cellular respiration takes place in the mitochondria of the cell.
4. What is the difference between plant and animal cells?
Ans. Plant cells and animal cells have several differences. Plant cells have a cell wall, chloroplasts, and a large central vacuole, which are absent in animal cells. Animal cells, on the other hand, have centrioles, which are absent in plant cells. Additionally, plant cells are generally rectangular or square-shaped, while animal cells can have various shapes.
5. How do cells reproduce?
Ans. Cells reproduce through a process called cell division. There are two types of cell division: mitosis and meiosis. Mitosis is the division of a cell into two identical daughter cells, while meiosis is the division of a cell into four daughter cells with half the number of chromosomes. Mitosis is involved in growth, repair, and asexual reproduction, while meiosis is involved in the production of gametes for sexual reproduction.
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