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प्रश्न
In leaves name the cell organelle and pigment that is responsible for green colour.
उत्तर
The cell organelle is chloroplast and chlorophyll is the pigment responsible for green colour of leaves. It is because of this pigment that sunlight (energy) is captured by plant and photosynthesis takes place.
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संबंधित प्रश्न
Shiva said, “ Bigger onion has larger cells when compared to the cells of smaller onion”! Do you agree with his statement or not? Explain Why?
The size of the cells is measured in units of ______
The outer covering part of the cell is called ______.
The size of the bacterial cell ranges from 0.01 micrometers to 0.5 micrometers.
Arrange the following cells in the order of their size.
- Bacteria cell
- Frogs egg
- Hen’s egg
- Human egg
Read the different combinations of terms given below :
The correct combination of terms with reference to an animal cell is ______.
Which one of the following terms is not a part of the nucleus?
Which of the following statements are true for eukaryotic cells?
- They do not have a nuclear membrane.
- They have a well organised nucleus.
- They have a nuclear membrane.
- Blue-green algae are eukaryotic cells.
Classify the following terms into cells, tissues and organs and write in the tabular column given below.
| RBC | WBC | Nerve Cell | blood | muscle | blood vessels | brain | heart | hand |
| Cell | Tissue | Organ |
| ______ | ______ | ______ |
| ______ | ______ | ______ |
| ______ | ______ | ______ |
The size of the cells of an organism has no relation with the size of its body. Do you agree? Give reason for your answer.
