What conclusion can be drawn from the microscopic observation of onion peel cells?
All onions are made up of similar small structures called cells
When a thin onion peel is stained and viewed under a microscope, it shows a regular arrangement of uniform, brick-like compartments. These compartments are cells, the basic structural and functional units of every living organism. The key teaching point of this classic experiment (first inspired by Robert Hooke's observation of cork) is that an apparently simple onion is in fact built from a large number of similar small units called cells.
Therefore, the correct conclusion is that all onions are made up of similar small structures called cells.
"The size of the onion decides the shape of its individual cells" is wrong because cell shape is determined by the cell's function and its rigid cell wall, not by the overall size of the bulb. "Onion bulbs contain different cell types for different functions" overstates what a single onion-peel slide shows; the peel reveals a uniform population of similar cells, not a variety of specialised types. "Each onion peel contains cells of different composition" is incorrect because the cells seen are essentially alike in structure and composition, which is exactly why they appear as a uniform, repeating pattern.
Similar Questions
The smooth endoplasmic reticulum (SER) helps in the manufacture of ___________.
What distinguishes rough ER (RER) from smooth ER (SER)?
Cells differ in shape and size according to the work they perform in living organisms. Which of the following correctly compares a cell’s shape with its function?
Which of the following statements correctly compares vacuoles in plant and animal cells?
Apart from the nucleus and plastids, which of the following organelle contains its own DNA?
Which of the following cell organelles have cisterns and is involved in the formation of lysosomes?
If a researcher finds that a plant cell is neither swelling nor shrinking in a specific solution, they can conclude the solution is ____.
In a bacterial cell, the genetic material is found without a surrounding membrane in a region called the __________.
Complete the analogy. Dye in water : Diffusion :: Roots absorbing water : ___________.
Complete the analogy. Hypotonic solution : Cell Swells :: Hypertonic solution : _______.
Important Questions from Cell
Which of the following is an epithelial tissue?
I. Squamous
II. Ciliated
Cells of ______ and ______ tissues are living cells.
The process of converting ammonia into nitrates is called:
Which of the following is not true about prokaryotic cells?
Fore limbs of whale, bat, tiger and man are examples of
