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Question
Why was the invention of the microscope so important to the study of living beings?
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Solution
All living organisms, unicellular, or multicellular are made up of cells. Microscope makes it possible to see inside the cells that make up all living organisms. Without a microscope we could not see or understand, how life works. So the invention of the microscope made it possible to see the basic component of life.
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RELATED QUESTIONS
Differences between light microscope and electron microscope.
Name the part of the cell concerned with the following :
The entry of only certain substances into and out of the cell.
Try to find the names of four cell organells hidden in this maze, (hint: The hidden words can appear horizontally or vertically; forwards or backward or even mixed up). Write them in the lines provided. For example : “NUCLEUS” in the last row, seven backward letters.
| A | J | F | B | H | E | M | O | E | L | O | U | C | A | V |
| H | V | L | E | U | C | O | P | L | A | S | T | N | O | E |
| C | H | R | O | M | O | P | L | A | S | T | X | T | E | R |
| S | U | E | L | C | U | N | W | P | L | A | S | T | I | D |
Match the name of the organelle given in Column A with its function given in Column B.
| Column A (Organelle) | Column B (Function) | ||
| 1 | leucoplast | a | help in cell division |
| 2 | nucleus | b | transport of material |
| 3 | ribosomes | c | making food |
| 4 | mitochondria | d | digesting foreign bodies |
| 5 | endoplasmic reticulum | e | storage of starch and proteins |
| 6 | golgi bodies | f | making the cell turgid |
| 7 | chloroplast | g | making proteins |
| 8 | centrosome | h | controlling all the vital activities of a cell |
| 9 | vacuole | i | releasing energy |
| 10 | lysosomes | j | synthesis of cell wall in a plant cell |
Write true or false for each statement. Rewrite the false statements correctly:
Growth and reproduction are based on cell division
What is cell theory? Name the three scientists whose work led to the formulation of the cell theory.
Who proposed the Cell theory? Explain the main points of this theory.
Give one main function of the following:
Chloroplast
Fill in the blank with a suitable word:
Cell ______ was proposed by Schleiden and Schwann.
When will you use a simple microscope and when, a compound microscope? Explain in detail how you will use them.
