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प्रश्न
What is a chromosome?
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उत्तर
During cell division, the long and fibrous hereditary material, chromatin gets converted into a short, thick, and ribbon-like structure called a chromosome.
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संबंधित प्रश्न
Who discovered cells and how?
Where are chromosomes found in a cell? State their function.
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 |
Write a short answer.
What is the relationship between growth and cell division?
What was the contribution of the following to our knowledge of cells?
Schleiden
What was the contribution of the following to our knowledge of cells?
Schwann
Give one main function of the following:
Chloroplast
Name the different organelles in a cell?
Answer the following question.
Why is the cell called the structural and functional unit of life?
Who discovered the cell in 1665?
