year 8 australian curriculum microscopes specialised plant cells and cells Flashcards
(27 cards)
What is a microscope?
A microscope is an instrument used to see objects that are too small for the naked eye.
True or False: Plant cells have a cell wall.
True
Fill in the blank: The main function of a __________ is to support and protect the cell.
cell wall
What organelle is responsible for photosynthesis in plant cells?
Chloroplast
Which type of microscope uses light to magnify objects?
Light microscope
What is the function of the vacuole in plant cells?
To store nutrients and waste products.
Multiple Choice: Which of the following is NOT a component of plant cells? A) Cell wall B) Chloroplast C) Centriole D) Vacuole
C) Centriole
What is the purpose of using a coverslip when preparing a microscope slide?
To protect the specimen and prevent contamination.
True or False: All plant cells are the same shape and size.
False
Short answer: Name one specialized plant cell.
Guard cell
What does the term ‘magnification’ refer to?
The process of enlarging the appearance of an object.
Fill in the blank: The __________ is a jelly-like substance inside the cell where organelles are suspended.
cytoplasm
Multiple Choice: Which part of the microscope is used to focus the image? A) Objective lens B) Stage C) Eyepiece D) Coarse adjustment knob
D) Coarse adjustment knob
What type of cells are responsible for transporting water in plants?
Xylem cells
True or False: Animal cells have a cell wall.
False
Short answer: What is the role of phloem cells in plants?
To transport sugars and nutrients.
What is the main difference between prokaryotic and eukaryotic cells?
Prokaryotic cells lack a nucleus, while eukaryotic cells have a nucleus.
Fill in the blank: The __________ is the control center of the cell.
nucleus
Multiple Choice: Which structure is involved in protein synthesis? A) Ribosome B) Mitochondria C) Golgi apparatus D) Lysosome
A) Ribosome
What is the significance of using a higher power objective lens?
To view smaller details of the specimen.
True or False: Stomata are openings on the leaf surface that allow gas exchange.
True
Short answer: What is one characteristic that distinguishes specialized plant cells from general plant cells?
They have unique structures and functions adapted for specific roles.
What is the function of the cell membrane?
To regulate what enters and exits the cell.
Fill in the blank: The __________ is an organelle that produces energy for the cell.
mitochondria