SSC Worksheet for chapter-2 Cell : The Fundamental Unit of Life class 9

Worksheet For class 9

Questions

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1. The barrier between the protoplasm and the outer environment in an animal cells -
   1. Cell wall
   2. Nuclear membrane
   3. Tonoplast
   4. Plasma membrane
2. Within a cell the site of respiration (oxidation) is the -
   1. Ribosome
   2. Golgi apparatus
   3. Mitochondrion
   4. Endoplasmic Reticulum
3. Which is called ‘Suicidal Bag’?
   1. Centrosome
   2. Lysosome
   3. Mesosome
   4. Chromosome
4. State whether the following statements are true (T) or false (F):
   1. All animal cells contain a cell wall.
   2. Plant cells have large vacuoles.
   3. Anthocyanins are the pigments of flowers, which are dissolved in cell sap.
5. Match the columns:

6. Why plasma membrane is called a selectively permeable membrane?
7. Where are proteins synthesized inside the cell?
8. Name two semi-autonomous organelles.
9. What are the different types of endoplasmic reticulum? Write the functions of each.
10. Where do the lipids and proteins constituting the cell membrane get synthesised?