Practical Experiments Class 12

To study the reproductive parts of commonly available flowers

To calculate percentage of pollen germination

To study pollen tube growth on stigma

To study the discrete stages of gametogenesis in mammalian testis and
ovary

To study and identify various stages of female gametophyte development in the ovary of a flower

Preparation and study of mitosis in onion root tips

Study of stages of meiosis using permanent slides

To study the blastula stage of embryonic development in mammals, with the help of permanent slide, chart, model or photograph

To verify Mendel's Law of Segregation

To verify the Mendel’s Law of Independent Assortment

Preparation and analysis of Pedigree Charts

To perform emasculation, bagging and tagging for controlled pollination

Staining of nucleic acid by acetocarmine

To identify common disease-causing organisms and the symptoms of the diseases

To study the texture of soil samples

To determine the water-holding capacity of soils

To study the ecological adaptations in plants living in xeric and hydric conditions

To study the adaptations in animals living in xeric and hydric conditions

To determine the pH of different water and soil samples

To study turbidity of water samples

To analyse living organisms in water samples

To determine the amount of Suspended Particulate Matter (SPM) in air at different sites in a city

To study plant population density by quadrat method

To study plant population frequency by quadrat method

Study of homologous and analogous organs in plants and animals