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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
Which part of the cell contains organelles?
Give a brief account of discovery of the cell.
State whether the following statement is true (T) or False (F):
Genes are located on a chromosome.
Name the scientist who invented the first microscope.
Who coined the term “cell” ?
Define the term cell? Also, describe types of cells.
What was the contribution of the following to our knowledge of cells?
Robert Hooke
Fill in the blank with a suitable word:
DNA is an abbreviated form of ______.
Match the items in column A with the appropriate items in column B:
| column A | column B |
| 1. Platform or workplace for the synthesis of proteins | a. Golgi complex |
| 2. A powerhouse of cells | b. Ribosomes |
| 3. Help in the formation of cell plate during cell division | c. Chloroplast |
| 4. Site for photosynthesis | d. Mitochondria |
| 5. Control tower of cell | e. Chromosomes |
| 6. A structure bearing genes | f. Nucleus |
What is a ‘cell’?
