Lab Manual Class 12 Biology Book | Based on CBSE Syllabus | Lab Experiments, Viva-Voce Question & NCERT Lab Manual Question For 2024-25 Exam

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MTG’s “Biology Lab Manual” book is a new addition, designed to assist CBSE students in preparing for their Biology practical exam. It covers a wide range of topics, allowing students to enhance their practical skills and confidently approach the exam. It includes lab experiments, investigatory projects, viva-voce questions, and NCERT lab manual questions to familiarize students with the format and types of questions asked in the exam.

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MTG’s “Biology Lab Manual” for CBSE Students is a comprehensive handbook following the latest CBSE 2024 syllabus, is designed to assist students in their Biology practical exams. This guide covers a wide range of topics with which students can enhance their practical skills and confidently tackle their CBSE practical exams.

Lab Experiments to provide hands-on experience and practical application of theoretical concepts.
Investigatory Projects to promote students to design, plan, and execute experiments.
Viva-Voce Questions will help remove any surprise & fear regarding the actual viva.
NCERT Lab Manual Questions helps in familiarizing with the format and type of questions asked.

Table of Content:-

INTRODUCTION
CORE EXPERIMENTS
1. In Vitro Pollen Germination
To prepare a temporary mount to observe pollen germination
*A. Soil Testing
(i) To collect and study soil from at least two different sites for texture and correlate with the plants
growing in them
(ii) To collect soil from at least two different sites and study them for moisture content and correlate with
the plants growing in them
(iii) To study pH of different soil samples collected from at least two different sites and
correlate with the plants growing in them
(iv) To determine the water holding capacity of different soil samples collected from at least
two different sites and correlate with the plants growing in them
*B. Water Testing
(i) To collect water from three different water bodies and study them for pH
(ii) To collect water from three different water bodies and study them for clarity
(iii) To collect water from three different water bodies and study them for the presence of living
organisms
*C. Suspended Particulate Matter
To study the presence of suspended particulate matter in air at two widely different sites
2. Plant Population Density
To study the plant population density by quadrat method.
3. Plant Population Frequency
To study plant population frequency by quadrat method
4. Mitosis in Onion Root Tip
To prepare a temporary mount of onion root tip to study mitosis
*D. Activity of Salivary Amylase on Starch
(i) To study the effect of different temperatures on the activity of salivary amylase on starch
(ii) To study the effect of different pH on the activity of salivary amylase on starch
5. DNA Isolation
To isolate DNA from available plant material such as spinach, green pea seeds, papaya, etc
SPOTTING EXPERIMENTS
1. Agents of Pollination
To study flowers adapted to pollination by different agencies (wind, insects, birds)
2. In Vivo Pollen Germination
To study pollen germination on stigma through a permanent slide or scanning electron micrograph
3. Different Stages of Gamete Development
To identify stages of gamete development from T.S. of testis and T.S. of ovary through permanent slides.
4. Study of Meiosis
To study meiosis in onion bud cell or grasshopper testis through permanent slides
5. T. S. of Blastula
To study T.S. of blastula through permanent slides (Mammalian)
6. Study of Mendelian Inheritance
(A) To study Mendel's law of segregation using seeds of different colour/size of any plant
(B) To study the Mendel's law of independent assortment using seeds of different colour/size
of any plant
7. Pedigree Chart Analysis
To study the prepared pedigree charts of any one of the genetic traits such as rolling of tongue, blood groups, ear lobes, widow’s peak, colour blindness, etc
8. Controlled Pollination
To study methods of controlled pollination - emasculation, bagging and tagging
9. Common Disease Causing Organisms
To identify common disease causing organisms like Ascaris, Entamoeba, Plasmodium and a fungus causing ringworm, through permanent slides of specimens, models or virtual images.
Comment on symptoms of diseases that they cause
*A. Adaptations in Xeric Conditions
To study two plants and two animals (models/virtual images) found in xeric conditions.
Comment upon their morphological adaptations
*B. Adaptations in Aquatic Conditions
To study two plants and two animals (models/virtual images) found in aquatic conditions.
Comment upon their morphological adaptations
10. Symbiotic Association in Plants
To study models/specimens showing symbiotic association in root nodules of leguminous plants, Cuscuta on host and lichens
11. Homologous and Analogous Organs
To study flash cards/models showing examples of homologous and analogous organs
INVESTIGATORY PROJECTS*
Project 1 Inventory of Local Trees, Shrubs and Herbs
To make an inventory of local trees, shrubs and herbs
Project 2 Seed Germination
To study the effect of pH on seed germination
Project 3 Effects of Agrochemicals on Plant Growth
To study the effects of agrochemicals such as different fertilisers on the plant growth
Project 4 Investigate BOD in Water Sample
To investigate the Biochemical Oxygen Demand (BOD) of a water sample as pollution indicator
Project 5 Ecological Role of Birds
To study the ecological role of birds in an area
Project 6 Estimation of Water Content in Mesophytes, Xerophytes and Hydrophytes
To estimate water content in various plants adapted to mesophytic, xerophytic and hydrophytic
conditions
Project 7 COVID-19 Vaccination
To study various COVID-19 vaccinations and their impact
Project 8 Quantitative Analysis of Phytoplankton in a Water Body
To perform quantitative analysis of phytoplankton in a water body

*This experiment is not included in the latest CBSE curriculum.

ISBN13	9788119218356
Author	MTG Editorial Board
Edition	2024-25
Pages	324
Classes	Class 12
Exams	NEET
Subjects	Biology
Weight	660gm

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Lab Manual Class 12 Biology Book | Based on CBSE Syllabus | Lab Experiments, Viva-Voce Question & NCERT Lab Manual Question For 2024-25 Exam