39 Questions
What is the main function of pseudopods in amoebas?
Nutrient absorption
What is the primary function of pseudopods in amoebas?
Locomotion and capturing food
How does paramecium move in freshwater?
By flagella propulsion
How does a paramecium move in freshwater?
By sweeping food into an oral groove with cilia
Which of the following is a specialized structure found in plant cells but not in animal cells?
Chloroplasts
Which of the following is a specialized structure found in plant cells but not animal cells?
Cell wall
What process allows oxygen to move from an area of high concentration to low concentration in cells?
Simple diffusion
What is the process of diffusion?
Movement of molecules from a region of high concentration to low concentration
Which factor does not affect the amount of detail you see through a microscope?
Type of organism
Which part of a microscope is responsible for focusing on the specimen being observed?
Objective lens
Which of the following organelles is responsible for photosynthesis in plant cells?
Chloroplasts
What is the primary function of pseudopods in amoebas?
To capture and ingest food particles
How does a paramecium move through freshwater?
Through the coordinated movement of cilia
Which of the following is NOT a specialized structure found in plant cells?
Centrioles
What is the process by which molecules move from a region of higher concentration to a region of lower concentration?
Diffusion
Which type of microscope is used to observe specimens by transmitting a beam of electrons through the sample?
Transmission electron microscope
What is the typical magnification range of the objective lenses used in a compound light microscope?
40x - 400x
What is the primary function of pseudopods in amoebas?
To move the amoeba in a particular direction
How does a paramecium move in freshwater?
By using cilia
Which specialized structure is found in plant cells but not in animal cells?
Chloroplasts
What is the process by which molecules move from a region of higher concentration to a region of lower concentration?
Diffusion
What is the function of the objective lens in a microscope?
To magnify the specimen
What is the relationship between the magnification power of the objective lens and the field of view in a microscope?
Higher magnification leads to a smaller field of view
What is the primary function of pseudopods in amoebas?
To capture and engulf food particles
How does a paramecium move in freshwater?
By beating its cilia in a coordinated manner
Which specialized structure is found in plant cells but not in animal cells?
Cell wall
What is the primary mechanism by which small, non-polar molecules move across cell membranes?
Diffusion
Which type of microscope uses a beam of electrons instead of light to produce high-resolution images?
Both B and C
What is the primary function of chloroplasts in plant cells?
Conversion of light energy into chemical energy through photosynthesis
What is the primary function of pseudopods in amoebas?
To capture prey and move the cell
How does a paramecium move in freshwater?
By beating its cilia in a coordinated manner
Which specialized structure is found in plant cells but not in animal cells?
Chloroplasts
What is the primary mechanism by which molecules move across a cell membrane?
Diffusion
What type of microscope uses a beam of electrons instead of light to produce an image?
Both b and c
Which part of a compound light microscope is responsible for focusing the light onto the specimen?
Objective lens
How does the cell wall of a plant cell differ from the cell membrane of an animal cell?
Both a and c
What is the primary function of mitochondria in both plant and animal cells?
Cellular respiration and energy production
Which process is responsible for the movement of water molecules across a selectively permeable membrane?
Osmosis
What is the primary advantage of using an electron microscope over a light microscope?
Electron microscopes have a higher resolving power and can achieve much greater magnification
Test your knowledge on key scientific theories such as the Theory of Relativity, Theory of Spontaneous Generation, Theory of Evolution, and Theory of Gravity. Identify what constitutes a stimulus in the context of living organisms. Match words like Cell, Tissue, Organs, Organ Systems, and Organisms to their definitions.
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