Question

12. Write a short note on "Different shapes of the cell”.
13. What is the functional unit of life ? Define it.


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Answer 1

Explanation:

12) Shape Of Cells

The cell shows variety of shapes depending on the function they perform. Different shapes of cells are:

Oval, round or spherical: Human RBC, Ovum.

Spindle shaped (long and pointed at both ends): Muscle cell.

Branched and elongated: Nerve Cells.

Kidney Shaped: Guard Cells in leaves.

Some cells keep on changing their shape.

13)The cell is the basic structural and functional unit of life. Cells are independent, single-celled organisms that take in nutrients, excrete wastes, detect and respond to their environment, move, breathe, grow, and reproduce