What is meant by hypertonic and hypotonic solutions?
Class 9 FBISE Biology - Cells and Tissues - What is meant by hypertonic and hypotonic solutions?
Differentiate between diffusion and facilitated diffusion?
Class 9 FBISE Biology - Cells and Tissues - Differentiate between diffusion and facilitated diffusion?
What are the functions of leucoplasts and chromoplasts?
Class 9 FBISE Biology - Cells and Tissues - What are the functions of leucoplasts and chromoplasts?
Describe the major plant tissues i.e. simple tissues (meristematic tissues, permanent tissues) and compound tissues (xylem phloem tissues) in terms of their cell specificities, locations, and functions.
Class 9 FBISE Biology - Cells and Tissues - Describe the major plant tissues i.e. simple tissues (meristematic tissues, permanent tissues) and compound tissues (xylem phloem tissues) in terms of their cell specificities, locations, and functions.
Describe the function of Parenchyma cells?
Class 9 FBISE Biology - Cells and Tissues - Describe the function of Parenchyma cells?
Describe the function of leaf hairs?
Class 9 FBISE Biology - Cells and Tissues - Describe the function of leaf hairs?
Describe the major properties and types of compound (complex) tissues?
Class 9 FBISE Biology - Cells and Tissues - Describe the major properties and types of compound (complex) tissues?
Describe the major properties and types of permanent tissues?
Class 9 FBISE Biology - Cells and Tissues - Describe the major properties and types of permanent tissues?
Describe the major properties and types of meristematic tissues?
Class 9 FBISE Biology - Cells and Tissues - Describe the major properties and types of meristematic tissues?
State the major categories of Plant tissues?
Class 9 FBISE Biology - Cells and Tissues - State the major categories of Plant tissues?
What is the effect of exercise on our skeletal muscle cells?
Class 9 FBISE Biology - Cells and Tissues - What is the effect of exercise on our skeletal muscle cells?
Birds fly by flapping their wings. What do you think is the type of muscle responsible for wings’ flapping?
Class 9 FBISE Biology - Cells and Tissues - Birds fly by flapping their wings. What do you think is the type of muscle responsible for wings’ flapping?
When you hear that epithelial tissue has a tightly packed structure what functions do you expect?
Class 9 FBISE Biology - Cells and Tissues - When you hear that epithelial tissue has a tightly packed structure what functions do you expect?
Describe the major animal tissues (epithelial, connective, muscular, and nervous) in terms of their cell specificities, locations, and functions?
Class 9 FBISE Biology - Cells and Tissues - Describe the major animal tissues (epithelial, connective, muscular, and nervous) in terms of their cell specificities, locations, and functions?
An organ is usually constructed from two or more different _______.
Class 9 FBISE Biology - Cells and Tissues - An organ is usually constructed from two or more different _______.
Why a colony of cells does not get tissue level of organization?
Why a colony of cells does not get tissue level of organization?
What is Exocytosis? Describe the different steps that occur in it.
Class 9 FBISE Biology - Cells and Tissues - What is Exocytosis? Describe the different steps that occur in it.
What is Endocytosis? Describe the different steps that occur in it.
Class 9 FBISE Biology - Cells and Tissues - What is Endocytosis? Describe the different steps that occur in it.
In diffusion and filtration, only small molecules can pass across the membrane. Which process would move the molecule faster?
Class 9 FBISE Biology - Cells and Tissues - In diffusion and filtration, only small molecules can pass across the membrane. Which process would move the molecule faster?
Define active Transport. Also, describe its function.
Class 9 FBISE Biology - Cells and Tissues - Define active Transport. Also, describe its function.
Define Filtration and also describe its function?
Class 9 FBISE Biology - Cells and Tissues - Define Filtration and also describe its function?
Explain why it is not enough just to say that a solution is “Hypertonic”.
Class 9 FBISE Biology - Cells and Tissues - Explain why it is not enough just to say that a solution is “Hypertonic”.
Describe the function of semi-permeable membrane?
Class 9 FBISE Biology - Cells and Tissues - Describe the function of semi-permeable membrane?
Describe how turgor Pressure develops in plant cells?
Class 9 FBISE Biology - Cells and Tissues - Describe how turgor Pressure develops in plant cells?
Describe the function of stomata with reference to guard cells?
Class 9 FBISE Biology - Cells and Tissues - Describe the function of stomata with reference to guard cells?
Explain what would happen when a plant and an animal cell are placed in a hypertonic solution. OR State water balance problems in animal and plant cells?
Class 9 FBISE Biology - Cells and Tissues - Explain what would happen when a plant and an animal cell are placed in a hypertonic solution. OR State water balance problems in animal and plant cells?
Describe how osmosis develops in a plant cell? How rules of osmosis can be best understood through the concept of tonicity of solutions?
Class 9 FBISE Biology - Cells and Tissues - Describe how osmosis develops in a plant cell? How rules of osmosis can be best understood through the concept of tonicity of solutions?
Explain the phenomena of facilitated diffusion and also describe why it is called passive transport?
Class 9 FBISE Biology - Cells and Tissues - Explain the phenomena of facilitated diffusion and also describe why it is called passive transport?
Describe the phenomena of Diffusion. Also describe its significance?
Class 9 FBISE Biology - Cells and Tissues - Describe the phenomena of Diffusion. Also describe its significance?
Why cell membranes are called differentially (or semi-) permeable membranes. State their functions also.
Class 9 FBISE Biology - Cells and Tissues - Why cell membranes are called differentially (or semi-) permeable membranes. State their functions also.
Explain how cell size and shape are related to cell function? OR Why the bird’s eggs are bulky, muscle cells are long, and red blood cells are extremely small?
Class 9 FBISE Biology - Cells and Tissues - Explain how cell size and shape are related to cell function? OR Why the bird’s eggs are bulky, muscle cells are long, and red blood cells are extremely small?
Explain how the surface area to volume ratio limits cell size?
Class 9 FBISE Biology - Cells and Tissues - Explain how the surface area to volume ratio limits cell size?
Explain how a cell works as an open system?
Class 9 FBISE Biology - Cells and Tissues - Explain how a cell works as an open system?
Describe the contribution of individual cells to the healthy functioning of the Human body?
Class 9 FBISE Biology - Cells and Tissues - Describe the contribution of individual cells to the healthy functioning of the Human body?
How cells of one type may differ from cells of other types in the following respects (a) size and shape (b) surface area to the volume ratio (c) the presence or absence of organelles? OR State the relationship between cell structure and cell function?
Class 9 FBISE Biology - Cells and Tissues - How cells of one type may differ from cells of other types in the following respects (a) size and shape (b) surface area to the volume ratio (c) the presence or absence of organelles? OR State the relationship between cell structure and cell function?
How many cells are present in the human body?
Class 9 FBISE Biology - Cells and Tissues - How many cells are present in the human body?
Describe the differences in prokaryotic and Eukaryotic cells?
Class 9 FBISE Biology - Cells and Tissues - Describe the differences in prokaryotic and Eukaryotic cells?
Describe the similarities in Prokaryotic and Eukaryotic cells?
Class 9 FBISE Biology - Cells and Tissues - Describe the similarities in Prokaryotic and Eukaryotic cells?
State the working and function of Vacuoles?
Class 9 FBISE Biology - Cells and Tissues - State the working and function of Vacuoles?
Describe the formation and function of centrioles?
Class 9 FBISE Biology - Cells and Tissues - Describe the formation and function of centrioles?
What can happen when a lysosome burst inside a cell and all its enzymes are released in the cytoplasm?
Class 9 FBISE Biology - Cells and Tissues - What can happen when a lysosome burst inside a cell and all its enzymes are released in the cytoplasm?
State the fascinating theory of Symbiosis (living together) which explains the evolution of eukaryotic cells?
Class 9 FBISE Biology - Cells and Tissues - State the fascinating theory of Symbiosis (living together) which explains the evolution of eukaryotic cells?
Which of the following organelles doesn’t belong to others in the list Mitochondrion, Chloroplast, Ribosome, lysosome. Why?
Class 9 FBISE Biology - Cells and Tissues - Which of the following organelles doesn’t belong to others in the list Mitochondrion, Chloroplast, Ribosome, lysosome. Why?
Discuss the structure and function of Mitochondria?
Class 9 FBISE Biology - Cells and Tissues - Discuss the structure and function of Mitochondria?
What is the advantage of compartmentalization of Eukaryotic cells?
Class 9 FBISE Biology - Cells and Tissues - What is the advantage of compartmentalization of Eukaryotic cells?
Discuss the structure and function of Endoplasmic reticulum and Golgi apparatus?
Class 9 FBISE Biology - Cells and Tissues - Discuss the structure and function of Endoplasmic reticulum and Golgi apparatus?
Describe the internal structure of Chromoplasts?
Class 9 FBISE Biology - Cells and Tissues - Describe the internal structure of Chromoplasts?
Describe the internal structure of chloroplast and compare it with that of mitochondrion.
Class 9 FBISE Biology - Cells and Tissues - Describe the internal structure of chloroplast and compare it with that of mitochondrion.
What are Plastids?
Class 9 FBISE Biology - Cells and Tissues - What are Plastids?
Discuss nucleus structure and Function?
Class 9 FBISE Biology - Cells and Tissues - Discuss nucleus structure and Function?
Discuss the structure and function?
Class 9 FBISE Biology - Cells and Tissues - Discuss the structure and function?
What are the cell organelles?
Class 9 FBISE Biology - Cells and Tissues - What are the cell organelles?
Describe the structure and function of the cytoskeleton? OR State different Types of filaments that make up cytoskeleton?
Class 9 FBISE Biology - Cells and Tissues - Describe the structure and function of the cytoskeleton? OR State different Types of filaments that make up cytoskeleton?
Describe the formation and function of Cytoplasm?
Class 9 FBISE Biology - Cells and Tissues - Describe the formation and function of Cytoplasm?
Explain the phenomena involved in the passage of matter across the cell membrane? OR Describe the fluid mosaic model of the cell membrane?
Class 9 FBISE Biology - Cells and Tissues - Explain the phenomena involved in the passage of matter across the cell membrane? OR Describe the fluid mosaic model of the cell membrane?
Draw the ultra-structure of Plant cell.
Class 9 FBISE Biology - Cells and Tissues - Draw the ultra-structure of Plant cell.
Which type of matter is bounded by cell membrane?
Class 9 FBISE Biology - Cells and Tissues - Which type of matter is bounded by cell membrane?
Explain the functions of cell membrane?
Class 9 FBISE Biology - Cells and Tissues - Explain the functions of the cell membrane?
Describe two general classes of Prokaryotic and Eukaryotic cells.
Class 9 FBISE Biology - Cells and Tissues - Describe two general classes of Prokaryotic and Eukaryotic cells.
Describe the structure of cell wall.
Class 9 FBISE Biology - Cells and Tissues - Describe the structure of cell wall.
Draw and label the structure of animal cell.
Class 9 FBISE Biology - Cells and Tissues - Draw and label the structure of animal cell.
Describe the sub-cellular and Acellular particles. Or why the first principle of the cell theory “all organisms are composed of one or more cells” is not so universal?
Class 9 FBISE Biology - Cells and Tissues - Describe the sub-cellular and Acellular particles. Or why the first principle of the cell theory “all organisms are composed of one or more cells” is not so universal?
State the cell theory?
Class 9 FBISE Biology - Cells and Tissues - State the cell theory?
State the contribution of Rudolph Virchow and Louis Pasteur in the Formulation of cell theory?
Class 9 FBISE Biology - Cells and Tissues - State the contribution of Rudolph Virchow and Louis Pasteur in the Formulation of cell theory?
Describe the contribution of Jean-Baptist De-Lamarck, Robert Brown, Matthias Schleiden, and Theodor Schwann in the formulation of cell theory?
Class 9 FBISE Biology - Cells and Tissues - Describe the contribution of Jean-Baptist De-Lamarck, Robert Brown, Matthias Schleiden, and Theodor Schwann in the formulation of cell theory?
Enlist the inventions of Robert Hooke?
Class 9 FBISE Biology - Cells and Tissues - Enlist the inventions of Robert Hooke?
Describe the contribution of Robert Hooke and Antonie van Leeuwenhoek in the formulation of cell theory?
Class 9 FBISE Biology - Cells and Tissues - Describe the contribution of Robert Hooke and Antonie van Leeuwenhoek in the formulation of cell theory?
State the Early History of the formulation of cell theory?
Class 9 FBISE Biology - Cells and Tissues - State the Early History of the formulation of cell theory?
Which type of microscope would you use to study: (a) the changes in shape of a human white blood cell; (b) the surface texture of Human Hair; (c) the detailed structure of a mitochondrion in the cell of human liver?
Class 9 FBISE Biology - Cells and Tissues - Which type of microscope would you use to study: (a) the changes in the shape of a human white blood cell; (b) the surface texture of Human Hair; (c) the detailed structure of a mitochondrion in the cell of the human liver?
Why EM can’t be used to study Life Processes? OR What are the limitations of EM?
Class 9 FBISE Biology - Cells and Tissues - Why EM can’t be used to study Life Processes? OR What are the limitations of EM?
Discuss the structure and function of the Scanning Electron Microscope (SEM)?
Class 9 FBISE Biology - Cells and Tissues - Discuss the structure and function of the Scanning Electron Microscope (SEM)?
Discuss the structure and function Transmission Electron Microscope (TEM).
Class 9 FBISE Biology - Cells and Tissues - Discuss the structure and function Transmission Electron Microscope (TEM).
Discuss the structure and Function of the Electron Microscope?
Class 9 FBISE Biology - Cells and Tissues - Discuss the structure and Function of the Electron Microscope?
“LM 109X” printed along the edge of the Micrograph. What does this tell us?
Class 9 FBISE Biology - Cells and Tissues - “LM 109X” printed along the edge of the Micrograph. What does this tell us?
Discuss the structure and function of Light Microscope?
Class 9 FBISE Biology - Cells and Tissues - Discuss the structure and function of the Light Microscope?
Explain the functions of the cell membrane?
Class 9 FBISE Biology - Cells and Tissues - Explain the functions of the cell membrane?