In text questions page number 61 Chapter 5: the Fundamental Unit of Life Science Class 9 solutions are avalable at ourwebsite to help the students. In text questions page number 61 is solved by our expert teachers. You can get ncert solutions and notes for class 9 chapter 5 absolutely free. NCERT Solutions for class 9 Science Chapter 5: the Fundamental Unit of Life will definitely help in improving your marks in CBSE Board examinations.
In text questions page number 61
1. How do substances like CO2 and water move in and out of the cell? Discuss.
Answer: Gases like carbon dioxide and oxygen move in and out of a cell by diffusion from the region of high concentration to low concentration.
2. Why is the plasma membrane called a selectively permeable membrane?
Answer: The membrane is called selectively permeable membrane because it allows selective materials like gases water and wastes not all to move in and out of a cell.
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