[Updated] CBSE Class 12 Biology Lab Manual 2024-25 Session in PDF

CBSE Class 12 Biology Lab Manual helps the students visualize the various concepts of biology. Furthermore, the syllabus for the practical exam for class 12 forms the precursor for concepts to be taught in professional courses such as medicine and dentistry. The Lab Manual’s experiments are given here to help students prepare for their practical exams in a better way. For instance, most experiments presented here have content explaining the basis of the experiment. Moreover, exact steps, processes, procedures and precautions are elaborated so that students understand them easily. That’s why we are providing a Class 12 Biology Lab Manual for practice purposes to obtain a great score in the final examination.


Before we discussed the Class 12 Lab Manual, let us check the CBSE Class 12 Summary; Below, we have mentioned the complete CBSE Class 12 Summary. The student is advised to check out to complete the summary.

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Class 12 Biology Lab Manual

Below, we have mentioned the CBSE Biology Lab Manual for Class 12. Students have to check the complete Class 12 Biology Lab Manual in PDF for a great score in the final examination.

Example of Lab Manual

Class 12 Biology Lab Manual e1591103499459

NOTE: The links given below for Download the Class 12 Biology Lab Manual in pdf format

Exercise No.Aims
Exercise 1To study the reproductive parts of commonly available flowers
Exercise 2To calculate the percentage of pollen germination.
Exercise 3To study pollen tube growth on stigma.
Exercise 4To study the discrete stages of gametogenesis in mammalian testis and ovary.
Exercise 5To study and identify various stages of female gametophyte development in the ovary of a flower.
Exercise 6Preparation and study of mitosis in onion root tips
Exercise 7Study of stages of meiosis using permanent slides
Exercise 8 To study the blastula stage of embryonic development in mammals, with the help of a permanent slide, chart, model or photograph
Exercise 9To verify Mendel’s Law of Segregation.
Exercise 10To verify Mendel’s Law of Independent Assortment.
Exercise 11Preparation and analysis of Pedigree Charts
Exercise 12To perform emasculation, bagging and tagging for controlled pollination
Exercise 13Staining of nuclei acid by acetocarmine.
Exercise 14To identify common disease-causing organisms and the symptoms of the disease.
Exercise 15To study the texture of soil samples.
Exercise 16To determine the water-holding capacity of soils.
Exercise 17To study the ecological adaptations in plants living in xeric and hybrid conditions.
Exercise 18To study the adaption in animals living in xeric and hybrid conditions.
Exercise 19To determine the pH of different water and soil samples.
Exercise 20To study the turbidity of water samples.
Exercise 21To analyse living organisms in water samples.
Exercise 22To determine the amount of Suspended Particular Matter (SPM) in the air at different sites in a city.
Exercise 23To study the plant population density by the quadrant method.
Exercise 24To study plant population frequency by quadrant method.
Exercise 25To study the enzymatic action of salivary amylase on starch.

Class 12 Biology Lab Manual Investigatory Projects

S.No.Project No.
1Investigatory Project Work
2Investigatory Project 1
3Investigatory Project 2

Class 12 Biology Syllabus 2024-25

Biology is the study of life and living organisms. The primary way of introducing biology in the school curriculum is to help students learn more about the human body parts, names, functions, importance, and many more. As you all know, the CBSE has already released the Class 12 Biology Syllabus for the 2024-25 academic year; we have the syllabus in PDF format. Let’s have a look.

Class 12 Biology Exam Pattern

In this section, we have mentioned the Class 12 Biology Exam Pattern. Students can check the Class 12 Biology Exam Pattern for the academic year 2024.

VIIGenetics and Evolution20
VIIIBiology and Human Welfare12
IXBiotechnology and its Applications12
XEcology and Environment10

NOTE:- To learn more About the Class 12 New Biology Syllabus Session 2024-25

Class 12 Biology Useful Resources

We have tried to bring CBSE Class 12 Biology NCERT Study Materials like Syllabus, Worksheet, Sample Paper, NCERT Solutions, Important Books, Holiday Homework, Previous Year Question Papers, etc. You can visit all these important topics by clicking the links given.​

Study MaterialsStudy Materials
Class 12 Biology SyllabusClass 12 Biology Revision Notes
Class 12 Biology NCERT SolutionClass 12 Biology Worksheet
Class 12 Biology NCERT BookClass 12 Biology Marking Scheme
Class 12 Biology Exemplar BookClass 12 Biology Sample Paper
Class 12 Biology Lab ManualClass 12 Biology Previous Year Paper
Class 12 Biology Study MaterialClass 12 Biology Chapter-wise Notes
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