Table of Contents
- 1 What is the function of the nucleus in the cell?
- 2 How is the outside of a plant cell different from that of an animal cell class 8?
- 3 Which is the largest known single cell class 8?
- 4 Where did hook demonstrate cork?
- 5 Which is the only cell which is long and has thread like branches?
- 6 How is the size of a cell related to its function?
What is the function of the nucleus in the cell?
The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information. Nucleoli are small bodies often seen within the nucleus.
How is the outside of a plant cell different from that of an animal cell class 8?
How is the outside of a plant cell different from that of an animal cell? The additional membrane called a cell wall outside the cell membrane around the plant cells makes it different from animal cells.
Which organism has the smallest cell and biggest cell?
Bacteria mycoplasma has the smallest cell.
Which is the largest known single cell class 8?
The egg of an ostrich
The egg of an ostrich (measuring 170 mm 130 mm) is the largest known single cell.
Where did hook demonstrate cork?
Royal society of London
Answer: Hooke demonstrated cork slice in Royal society of London.
Which is the largest floating body generally in the center of a cell?
9. Which is the largest floating body generally in the center of a cell? The largest floating body generally in the center of a cell is the nucleus. 10. What is the function of the nucleus in a cell? The function of the nucleus in a cell is to control the activities of the cell. It is called the master or director of the cell.
Which is the only cell which is long and has thread like branches?
Answer: Nucleus, in addition to its role in inheritance, acts as control centre of the activities of the cell. Question 24: Name the animal cell which is long and has thread like branches. Answer: Nerve cell (a neuron) is the only animal cell which is long and has thread like branches.
Answer: The size of the cells has no relation with the size of the body of the animal or plant. It is not necessary that the cells in the elephant be much bigger than those in a rat. The size of the cell is related to its function. Question 23: Explain why chloroplasts are found only in plant cells?
What kind of cells are called spindle shaped?
The spindle-shaped cells present in the human body are called muscle cells. 25. State an important characteristic of muscle cells.