Class 12 Biology Practical Solution and Guide: In-Depth Experiments for Students
This comprehensive Class 12 Biology practical solution and guide is designed to help students understand and perform key biological experiments with ease. Tailored for NEB (National Examination Board) students, this document includes detailed instructions for 10 essential experiments, focusing on critical biological concepts. Covering topics in Botany and Zoology such as animal behavior, morphology, and physiology, it aims to enhance practical knowledge and scientific inquiry.
With easy-to-follow step-by-step instructions, detailed diagrams, and illustrations, this practical file equips students with the skills they need to succeed in their exams. Whether you're preparing for your Class 12 NEB exams or performing experiments of Botany and Zoology of class 12 biology practical, this guide is an essential tool for mastering practical biology experiments.
You also can find the Biology Notes here and complete biology notes in pdf for class 12 biology .
Class 12 Biology (botany + zoology ) Practical
This practical document covers all the practical/experiments to perform in class 12 biology practical lab as per the syllabus provided by the examination board .
Class 12 Botany Practical
Unit 1: Plant Anatomy
1. Preparation and study of T.S. of dicot and monocot roots and stems (primary).
2. Prepare a temporary mount of onion root tip to study mitosis.
Unit 2: Plant Physiology
3. Study of osmosis by potato osmometer.
4. Study of plasmolysis in epidermal peels (e.g. Rhoeo leaves)
5. Study of distribution of stomata in the upper and lower surface of leaves.
6. Comparative study of the rates of transpiration in the upper and lower surface of leaves.
7. Study the rate of respiration in flower buds/leaf tissue and germinating seeds.
8. Observation and comments on the experimental set up for showing:
a. Anaerobic respiration
b. Phototropism
c. Apical bud removal
d. Suction due to transpiration
Unit 3: Genetics
9. Study, Observe and Comments upon the Mendelian Inheritance suing seeds of different colours/sizes of any plants.
Unit 4: Embryology
10. Study of imbibition in seeds/raisins.
Unit 5: Biotechnology
11. Preparation of bio-fertilizer and analyze the significances.
Class 12 Zoology Practical
Unit 6: Animal Tissues
12. Study of tissues and diversity in shapes and sizes of animal cells (e.g. squamous epithelium, muscle fibers and mammalian blood smear) through temporary/permanent slides.
13. Study of mitosis in animal’s cells (grasshopper) from permanent slides.
Unit 7: Developmental Biology
14. Study of permanent slides of different developmental stages (fertilized egg, cleavage, blastula and gastrula) of frog.
Unit 8: Human Biology
15. Detect the presence of starch in the given sample.
16. Detect the presence of protein in the given sample.
17. Study the effect of the different temperatures and pH on the activity of salivary amylase on starch.
18. Detect the presence of urea, sugar, albumin and bile salts in urine
19. Detect the presence of sugar in human blood.
20. Study of Human skeleton and different types of joints.
Unit 9: Human Population and Health Disorders
21. Study of human skeleton and different types of joints.
22. Study of external morphology of cockroach through models
More Practicals of Class 12
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