Page 7 - Biology - XII

CONTENTS

SECTION - A: EXPERIMENTS

1. Plant Population Density and Isolation of DNA 9–18

Experiment - 1: To study the plant population density by quadrat method. 9

Experiment - 2: To study the plant population frequency of different plants species by 10
quadrat method.
Experiment - 3: Isolation of DNA from available plant materials such as spinach, peas, 13
papaya, etc.

2. Slide Preparation 19–36

Experiment - 4: To prepare a temporary mount to observe the pollen germination on a slide 19
( Portulaca/Grass/China rose).

Experiment - 5: To make a temporary acetocarmine stained slide of onion root tip to study 21
mitosis.
Experiment - 6: To study flowers adapted to pollination by different agencies. 26

3. Stages of Gamete Development 37–40

Experiment - 7: To study and identify stages of gamete development through permanent slide 37
of T.S. of ovary and T.S. of testis.

4. Meiotic Cell Division 41–54

Experiment - 8: To study stages of meiosis using permanent slides. 41
Experiment - 9: To study the blastula stage of embryonic development in mammals with the 52
help of permanent slides.

5. Mendelian Inheritance, Pedigree Charts of Genetic Traits 55–71

Experiment - 10: To verify Mendel’s Law of segregation and independent assortment. 55

Experiment - 11: Preparation and analysis of pedigree charts. 60

Experiment - 12: To study controlled pollination- emasculation, bagging, and tagging. 70

6. Common Disease-causing Organisms 72–76
Experiment - 13: To identify common disease-causing organisms like – ascaris, entamoeba, 72
plasmodium, and fungus causing ringworm through permanent slides or
specimens. Comment on symptoms of diseases that they cause.