EASY
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Choose the muscle cell.

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Important Questions on The Structure of Living Organisms

EASY
Which cells in the human body can contract and relax? (Nerve cells/ Muscle cells/ Blood cells)
HARD
Explain the different types of cells on the basis of their shapes and sizes.
EASY
State an important characteristic of muscle cells.
MEDIUM
Cells vary in their shape. Justify this statement by drawing three different cells of different shapes.
EASY
Size of the cell depends upon the size of the organism.
MEDIUM
Why are nerve cells long? Why do these cells have projections?
EASY
Why are nerve cells long and have branches?
MEDIUM
Discuss the diversity in the shape of the cells.
EASY

Write the quadrants in which the following points lie:

-4,7

EASY
Name one cell which can be seen easily with naked eye and one cell which can be seen only through a microscope.
EASY
What is the shape of red blood cells in human blood? What function do red blood cells perform?
EASY
Name the spindle-shaped cells present in the human body.
MEDIUM
An Amoeba cell can change its shape and a white blood cell in human blood can also change its shape.
What is the difference between an Amoeba cell and a white blood cell?
MEDIUM
The cell shape is often related to the function which the cell performs. Give two examples in support of your answer.
MEDIUM
Make a sketch of the human nerve cell. What function do nerve cells perform?
EASY
Which cells transmit messages between the brain and other parts of the body?
MEDIUM
Explain that the sizes of cell vary from cell to cell.