Class 9 The Fundamental Unit of Life Important Questions

Important Questions Notes NCERT Solutions MCQ Quiz – 1 MCQ Quiz – 2

The Fundamental Unit of Life Important Questions

1. Define nucleoid.
2. .
   1. Why mitochondria is called the powerhouse of the cell ?
   2. Why is the inner membrane of mitochondria deeply folded ?
3. Where is protein synthesized in a cell ? Explain.
4. Name the three solutions that can be used to stain the cell while observing it under the microscope ?
5. What would happen to the life of a cell if there was no golgi apparatus ?
6. How do substances like CO₂ and water move in and out of the cell ? Explain.
7. What does it mean by endocytosis ? Name an organism that obtains its food by endocytosis.
8. Where proteins and lipids synthesized in a cell ? Write two functions of proteins and lipids.
9. What does it mean by plasmolysis ?
10. Why cell membrane is called selectively permeable membrane ?
11. Name the two cell organelles having their own ribosomes and DNA.
12. .
    1. Name the cell organelle that helps in formation of lysosomes.
    2. Why are lysosomes called suicide bags of a cell ?
13. Write the differences between prokaryotic and eukaryotic cell.

Solution