GRADE 9

BIOLOGY

Grade : IX                            Quarterly Exam

                                           Unit 1-4

Biology                                                                                         Marks: 50                                                                                                             

                          ANSWER THE FOLLOWING ON ANSWER SHEET:

Define terms:                                                                                                       5 x 2 = 10

1. a) Ribosomes b) Ground tissue  c) Epithelial tissue d) Permeability e) Solute 
2. 

Answer the following in 2 to 3 sentences:                                                        5 x 2 = 10          

3. Name the process by which we et fresh water from sea water?                         
4. Write down the functions of plasma membrane (only the side headings)?           
5. Ramu felt weak.  Ramu’s father took him to hospital.  The doctor advised a blood test.  The report says that he does not have the required levels of hemoglobin what are it’s ill effects?                                                                                                 
6. What would happen to the life of cell if there was no golgi complex?     
7. Give reason epidermis gives protection?           

Answer the following:                                                                                        5 x 2 = 10

8.  Apical meristem and lateral meristem.
9. If the dried vegetables are kept in water they become fresh.  What is the reason.
10. Write the list of incidences where diffusion occurs?
11. Name the following:

a)  growing tissue, which causes growth in the length of the plant?

b) Large air cavitites in the aquatic plant.

c) food material in pharenchyma.

d) pores essential for gaseous exahange and transpiration.

e) give the nemaes of the plastids present in the cell.

  Answer any 3 of the following:                                                                      3 x 5 = 15

12. Explain the structure and function of Mitochondria with a neat labeled diagram.
13. Write the procedure to identify your blood group with the help of kit?
14. Draw the flow chart showing different stages in doing the experiment with egg.
15. Write down the lab activity how to observe the nucleus in cheek cells with a diagram.

      16.  Draw a diagram of xylem phloem                                                         5 x 1 = 5

                                       or

      17.  Through a diagram differentiate a plant cell and animal cell.