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प्रश्न
Justify the statement "cell is the basic unit of life"
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उत्तर
All living organisms are made up of cells. Cells are the building blocks of all organisms and they give structural and functional stability to the organisms. All the metabolic processes needed to keep an organism alive occur at the cellular level. Hence cell is said to be the basic unit of life.
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संबंधित प्रश्न
A plant cell can be identified from an animal cell by the :
State whether the following statement is true (T) or False (F):
Genes are located on a chromosome.
Where are the genes located in a cell?
Write a short answer.
Why are mitochondria called the powerhouse of the cell?
Who proposed the Cell theory? Explain the main points of this theory.
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 |
the question has four options. Choose the correct answer:
The word cell was given by
What is difference between us?
Prokaryotic cell and eukaryotic cell.
Write about the contribution of Robert Hooke in cell biology.
Matching:
| 1. | Discovery of cell | a. | Nerve cell |
| 2. | Unicellular organism | b. | spirogyra |
| 3. | Multicellular organism | c. | Robert Hooke |
| 4. | Longest cell | d. | Cyanobacteria |
| 5. | Prokaryotic cell | e. | Amoeba |
