Advertisements
Advertisements
प्रश्न
What was the contribution of the following to our knowledge of cells?
Schwann
Advertisements
उत्तर
Schwann observed that all animal cells are basically similar and lack cell wall.
APPEARS IN
संबंधित प्रश्न
Where are chromosomes found in a cell? State their function.
Name the part of the cell concerned with the following :
Transmission of hereditary characters from parents to offspring
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 a short answer.
Why is a cell called the structural unit of a living organism?
Fill in the blank with a suitable word:
Cell ______ was proposed by Schleiden and Schwann.
Fill in the blank with a suitable word:
______ controls all the metabolic activities of the cell.
Answer the following question.
Who discovered cells, and how?
Under the microscope, Priya observes a cell that has a cell wall and distinct nucleus. The cell that she observed is
Robert Hooke saw many objects like Butterfly’s compound eyes, Bee’s wings, etc.
Who proposed the "Cell theory"?
