Karnataka PUC II Year biology practical examination deatail pdf 2020

Karnataka PUC II Year biology practical examination deatail pdf 2020

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1. Prepare a temporary slide to show pollen germination from the given material ‘A’ and calculate the % of pollen germination .

                                                    or
Prepare a temporary slide to show pollen tube growth on the stigma from the given material ‘A’ and draw a labelled diagram of your observation

OR

 Prepare a temporary slide of given material ‘A’ by taking a transverse section of ovary and report the number of locules and type of placentation

OR

Prepare a temporary slide to show nuclear staining from the given material ‘A’ and report the shape of the cell and number of nuclei                                                                                       5 Marks

2. Prepare a temporary slide of the given material ‘B’ and identify any one stage of mitosis and draw a labelled diagram of the stage observed                                5 Marks

3. Conduct a suitable test for the given soil/water samples C1 and C2 and report the pH values
                                                                                                 3 Marks

4. Identify ‘D’ by giving two reasons                                      3 Marks

5. Identify the given specimen ‘E’ and name the disease it causes 2 Marks

6. Identify ‘F’ and comment on it                                            2 Marks

7. Viva Voce                                                                             4 Marks

8. Practical Record                                                                   6 Marks