NCERT Solutions for Class 9 Biology Chapter 1 Fundamental Units of Life. Robert Hooke was the first person to prepare a microscope and see a cell. A cell is the basic fundamental unit of life. In this chapter, students will learn the structures and functions of different cells. Moreover, the effect of hypotonic, isotonic, and hypertonic
Edexcel International AS Physics. Revision Notes. Topic Questions. Past Papers. Exam paper questions organised by topic and difficulty. Our worksheets cover all topics from GCSE, IGCSE and A Level courses. Give them a try and see how you do! AUhAUtx.