Ch 4 Bio Class 9
Important easy to understand Notes of Ch 4 Bio Class 9 English Medium written by Professor Sulman Arif Suib. These notes are very helpful in the preparation of Biology for students of the 9th class Biology English Medium and these are according to the paper patterns of all Sindh Book Boards.
Summary and Contents:
Topics which are discussed in the notes are given below:
- What is cell?
- What is the microscope? How many parameters are important in microscopy?
- Who invented the microscope?
- Describe the types of microscope. (i) Light Microscope (LM) (ii) Electron Microscope (EM).
- Define the following terms: (i) Spacimen (ii) Micrograph
- How can we calculate the total magnification of a compound light microscope?
- Write the differences between Light microscope and Electron microscope.
- Compare Resolution with Magnification.
- Describe the brief history of the development of Cell Theory.
- How and when cell was discovered.
- Who discovered the nucleus?
- Who proposed the cell theory? explain the silent features of Cell Theory.
- Define Subcellular and Acellular Particles.
- Write a few lines about a cell.
- How many types of cells are there? Name and define them.
- Compare Prokaryotes and eukaryotes in tabulated form.
- Differentiate between prokaryotic and Eukaryotic cell.
- Describe the cell as a structure and functional unit of life.
- Write the differences between Plant cell and Animal cell.
- Draw and label Plant cell and Animal cell.
- Name the organelles which are present in a typical cell.
- Explain the structure and function of a cell wall.
- Explain the structure and function of cell membrane
- Describe the fluid mosaic model.
- How does the movement across the cell membrane occur?
- Describe the composition and function of a cytoplasm.
- What is the composition and function of cytoskeleton?
- Write a note on nucleus.
- Explain the structure and function of Mitochondria.
- Why Mitochondria is also called power house of cell?
- Write a note on endoplasmic reticulum.
- Describe the structure and function of ribosomes.
- Write a note on Glogi body.
- What do you know about vesicles?
- Write few lines about laisosomes.
- Explain the structure and function of vacuoles.
- Explain the structure and function of centrioles.
- Define plastids and its types.
- Why iodine used to stain the onion peel?
- Why cell membrane is Semipermeable is in nature?
- What is the difference between cell wall and cell membrane?
- Write the differences between mitochondria and plastids.
- Distinguish between Lysosome and Ribosomes.
- Explain cell size and shape and relate them with its surface area and volume ratio.
- What is the tissue? and mention the types of tissue.
- Name the types of animal tissues.
- Describe the connective tissue and its types.
- Write a short note on nervous tissue.
- What do you know about muscle tissue and its types?
- Draw a chart of plant tissues.
- Write down the types of plant tissue.
- What is cell?
- What is the microscope how many parameters are important in microscopy?
- Who invented the microscope?
- Who can we calculate the total magnification of a compound light microscope?
- Compare resolution with magnification.
- Write the differences between light microscope and electron microscope.
- Who discovered the nucleus?
- Describe the cell as a structural and functional unit of life.
- What is the composition and function of cytoskeleton?
- Describe the composition and function of a cytoplasm.
- Name the types of animal tissues.
- Why mitochondria is also called power house of cell?
- Why cell is considered as a structural and functional unit of living things?
- Important Short Questions Answers of Ch 4 Bio Class 9 Cells and Tissues.