All Exams Test series for 1 year @ ₹349 only
Question

What conclusion can be drawn from the microscopic observation of onion peel cells?

This question was previously asked in
RRB Group D 2024 Question Paper PDF (27-Dec-2025) (Shift 2)
The correct answer is

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.

Was this answer helpful?

Similar Questions

  1. The smooth endoplasmic reticulum (SER) helps in the manufacture of ___________.

  2. Which of the following cell organelles have cisterns and is involved in the formation of lysosomes?

  3. If a researcher finds that a plant cell is neither swelling nor shrinking in a specific solution, they can conclude the solution is ____.

  4. In a bacterial cell, the genetic material is found without a surrounding membrane in a region called the __________.

  5. Complete the analogy. Dye in water : Diffusion :: Roots absorbing water : ___________.

  6. Complete the analogy. Hypotonic solution : Cell Swells :: Hypertonic solution : _______.

  7. In animal cells, the breakdown of pyruvate using oxygen during aerobic respiration occurs in the _______.

  8. A botanist observes two cell types under a microscope. The first type has thick cell walls and large vacuoles, while the second type lacks cell walls and has small vacuoles. What can be inferred?

  9. Identify the CORRECTLY matched cell–structure pair.

  10. Why do single-celled organisms not require specialized organs for taking in food and exchanging gases?


Important Questions from Cell

  1. Which of the following is an epithelial tissue?

    I. Squamous

    II. Ciliated

  2. Cells of ______ and ______ tissues are living cells.

  3. The process of converting ammonia into nitrates is called:

  4. Which of the following is not true about prokaryotic cells?

  5. Fore limbs of whale, bat, tiger and man are examples of

Need Expert Advice?
Upcoming Exams
RRB JE
October 27, 2026
RRB ALP
November 03, 2026
Test Series
RRB Group D img
Railways
RRB Group D Mock Test Series 2026 (Latest Pattern)
1198 Tests 1 Tests Free
1854 Attempts
4.1(107)
English, Hindi

Start Your Preparation with Prepp Mobile App

Download the app from Google Play & App Store
Download the app from Google Play & App Store
Prepp Mobile App