BIOLOGICAL SCIENCE

Lesson : 1 Cell its Structure and functions

Class : IX WORKSHEET - 7 Date: ______________

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I) Answer the following Questions

1) Smallest cell organelle observed in cell ( )

a) Lysosomes b) Ribosomes c) Chloroplast d) AV

2) In protein synthesis process, important cell organelle involved ( )

a) Golgi b) Ribosomes

3) The cells which secret enzymes or hormone have _________ organelle more in number

4) Name the scientist who discovered golgi bodies _______________

5) The network of lipoprotein microtubules extends from outer nuclear membrane to plasma

 membrane

II) Answer the following

6) Draw the structure of endoplasmic reticulum & write the parts

7) Write the functions of Golgi Bodies?

8) Write the function of following

a) Rough Endoplasmic Reticulum b) Smooth Endoplasmic Reticulum

9) Answer the following by reading the paragraph given below

It is an organelle in eukaryotic organism that mores molecules from endoplasmic

reticulum to their destination it is comprised of series of flalltend sacs that extend from

E.R. main function of this organelles in the ability to deliver vesicles, or packets of various

cell packets

a) Name the organelle? b) Function of the organelle?

10) Write the function of SER in Liver cells

11) To know about golgi complex what question is need to a

12) Write briefly about Ribosomes & its functions.