Question

notes on chapter fundamental unit of life cell
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Answer 1

Answer:

Cell is the structural and functional unit of life. It is the basic unit of life. It is discovered by Robert Hook in 1831 in cork slice with the help of primitive microscope. ... Purkinje coined the term 'protoplasm' for the fluid substance of the cell in 1839.

Explanation:

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Answer 2

Answer:

Explanation:

• Name two cell organelles that have their own genetic material.

ans)Mitochondria and plastids are the two organelles that contain their own genetic material. Both these organelles have their own DNA and ribosomes.

• Name the cell organelle, which is able to destroy a damaged cell.

ans )Lissome

• Name the process in which diffusion takes place through a selective permeable membrane

ans) Osmosis

•  State two important function of the nucleus of a cell.

ans) (i) Control center of the cell. (ii) Contains the cell's DNA (genetic information) in the form of genes to carry hereditary characters from one generation to another.

•    Which organelles are called (i) Power house of the cell (ii) Suicidal bags

ans)  (i) Power house of the cell- Mitochondria. (ii) Suicidal bags- Lysosomes.