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CBSE
Sahitya Bhawan CBSE class 12 biology Lab Manual with theory and Viva-voce questions as per syllabus
₹210.00₹157.00Edition 2020 Class 12 Subject Biology Board CBSE Author R.K Srivastava Binding Hard bound Pages 152 Language English Country India Series Title Sahitya Bhawan Isbn 9789387666504 Product Features
Sahitya Bhawan lab manual class 12 biology practical book has been prepared in accordance with the CBSE guidelines. These lab manuals provide better understanding of various concepts in a lucid manner. The entire matter is prepared in a way that it provides complete understanding of each topic. Viva-voce helps the students in having a better understanding of concepts.
Content
Introduction
Part : A
Experiments :
A. Major :
1. To study plant population density by quadret method
2. To study the population of plants frequency by quadret method
3. To study the pH of Soil, To study water holding capacity of soil
4. To isolate DNA from available plant material, such as–spinach, green pea seeds, papaya etc.
B. MInor :
5. To collect and study soil from two different sites. To study soil for (a) texture,
(b) moisture content, (c) pH, and (d) water holding capacity of soil.
6. To study water collected from two different water bodies for (a) pH, (b) clarity,
(c) presence of any living organisms.
7. To study the presence of suspended particulate matter (SPM) in air
C. TEMPORARY SLIDE/PREPARATION :
8. To study the germination of pollens
9. To study temporary mount of onion root tip to study mitosis (cell division)
Part : B
2. Spotting :
1. Flowers adapted to pollination by different agencies (a) wind, (b) insect, (c) birds.
2. Pollen germination on stigma
3. Stages of gamete development (a) Testis T.S. and (b) Ovary T.S.
4. Meiosis cell division5. Blastula
6. Medelian inheritance using seeds of different colours/sizes of any plant.
7. Pedigree charts of genetic traits
8. Controlled pollination.
9. Common disease causing organisms
10. Xeric of plants and animals adaptations
11. Aquatic adaptations of plants and animalsProduct Features:
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CBSE
Sahitya Bhawan CBSE class 12 chemistry Lab Manual with theory and Viva-voce questions as per syllabus
₹280.00₹210.00Edition 2020 Class 12 Subject Chemistry Board CBSE Author Tripti Rawat Binding Hard bound Pages 320 Language English Country India Series Title Sahitya Bhawan Isbn 9789353392499 Product Features
Sahitya Bhawan lab manual class 11 Chemistry practical book has been prepared in accordance with the CBSE guidelines. These lab manuals provide better understanding of various concepts in a lucid manner. The entire matter is prepared in a way that it provides complete understanding of each topic. Viva-voce helps the students in having a better understanding of concepts.
Content
Chemistry Laboratory : An Introduction
Viva-voce Questions with answers
1. Surface Chemistry
Experiment 1.1 To prepare colloidal solution (sol) of starch.
Experiment 1.2 To prepare colloidal solution (sol) of gum.
Experiment 1.3 To prepare colloidal solution (sol) of egg albumin.
Experiment 1.4 To prepare colloidal solution (sol) of ferric hydroxide Fe(OH)3.
Experiment 1.5 To prepare aluminium hydroxide [Al(OH)3] sol.
Experiment 1.6 To prepare colloidal solution of arsenious sulphide.
Experiment 1.7 To study the dialysis of starch sol containing sodium chloride through a cellophane or parchment paper.
Experiment 1.8 To study the effectiveness of different common oils (castor oil, cotton seed oil, coconut oil, kerosene oil, mustard oil) in forming emulsions.
Experiment 1.9 To compare the effectiveness of a number of emulsifying agents in forming emulsions.
VIVA-VOCE QUESTIONS WITH ANSWERS
2. Chemical Kinetics
Experiment 2.1 To study the effect of concentration on the rate of the reaction between sodium thio-sulphate and hydrochloric acid.
Experiment 2.2 To study the effect of temperature on the rate of reaction between sodium thiosul-phate solution and HCl.
Experiment 2.3 To study the rate of reaction of iodide ions with hydrogen peroxide at room tem-perature using different concentrations of iodide ions.
Experiment 2.4 To study the rate of reaction between potassium iodate (KIO3) and sodium sulphite (Na2 SO3) in acidic medium at room temperature using different concentrations of KIO3 and starch as indicator.
VIVA-VOCE QUESTIONS WITH ANSWERS
3. Thermochemistry
Experiment 3.1 To determine the calorimeter constant (W) of calorimeter (polythene bottle).
Experiment 3.2 To determine the enthalpy of dissolution of copper sulphate or potassium nitrate.
Experiment 3.3 To determine the enthalpy of neutralisation of hydrochloric acid with sodium hyd-
roxide solution.
Experiment 3.4 To determine the enthalpy change during the interaction (hydrogen bond formation) between acetone and chloroform.
l VIVA-VOCE QUESTIONS WITH ANSWERS
4. Electrochemistry
Experiment To study the variation of cell potential in Zn|Zn2+||Cu2+|Cu with change in concen-tration of electrolytes (CuSO4 or ZnSO4) at room temperature.
VIVA-VOCE QUESTIONS WITH ANSWERS
5. Chromatography
Experiment 5.1 To separate the coloured components present in the given extract of leaves and flower by ascending paper chromatography and determine their Rf values.
Experiment 5.2 To separate constituents present in an inorganic mixture containing Pb2+ and Cd2+ions by using ascending paper chromatography and determine their Rf values.
VIVA-VOCE QUESTIONS WITH ANSWERS
6. Preparation of Inorganic Compounds
Experiment.1 To prepare crystals of ferrous ammonium sulphate (Mohr’s salt) [FeSO4.(NH4)2SO4.6H2O]
Experiment 6.2 To prepare crystals of potash alum [K2SO4.Al(SO4)3.24H2O].
Experiment 6.3 To prepare crystals of potassium trioxalatoferrate (III), K3[Fe(C2O4)3.3H2O].
VIVA-VOCE QUESTIONS WITH ANSWERS
7. Preparation of Organic Compounds
Experiment 7.1 Preparation of acetanilide from aniline.
Experiment 7.2 Preparation of dibenzal acetone.
Experiment 7.3 Preparation of p-nitro acetanilide from acetanilide.
Experiment 7.4 Preparation of 2-naphthol aniline dye.
VIVA-VOCE QUESTIONS WITH ANSWERS
8. Test for the Functional Groups Present in Organic Compounds
Experiment 8.1 (A) To test the presence of unsaturation.
Experiment 8.2 (B) To test the presence of alcoholic group.
Experiment 8.3 To test the presence of phenolic groups.
Experiment 8.4 To test the presence of aldehydic and ketonic groups.
Experiment 8.5 To test the presence of carboxylic group.
Experiment 8.6 To test the presence of amino groups.
VIVA-VOCE QUESTIONS WITH ANSWERS
9. Study of tests of carbohydrates, fats and protens
Experiment 9.1 To test the presence of carbohydrates in food samples.
Experiment 9.2 To test the presence of fats and oils in food samples.
Experiment 9.3 To test the presence of proteins in food samples.
VIVA-VOCE QUESTIONS WITH ANSWERS
10. Volumetric analysis
Experiment 10.1 To prepare 250 ml of Solution of oxalic acid from crystalline oxalic acid.
Experiment 10.2 To prepare Ferrous Ammonium Sulphate (Mohr’s salt) solution. Using this solu
tion find out the morality and strength of the given KMnO4 solution.
Experiment 10.3 To prepare Solution of oxalic Acid. With its help, determine the molarity and stre-
ngth of the given solution of potassium permanganate.
VIVA-VOCE QUESTIONS WITH ANSWERS
11. Qualitative Analysis
VIVA-VOCE QUESTIONS WITH ANSWERS
12. INVESTIGATORY Projects
PROJECT 1 To determine the amount of oxalate ions in a guava fruit at different stages of ripening
VIVA-VOCE QUESTIONS WITH ANSWERS
PROJECT 2 To determine the quality of casein present in different samples of milk.
VIVA-VOCE QUESTIONS WITH ANSWERS
PROJECT 3 Preparation of soyabean milk and its comparison with the natural milk with respect to
curd formation, effect of temperature, etc.
VIVA-VOCE QUESTIONS WITH ANSWERS
PROJECT 4 To study the effect of potassium meta bisulphite as food preservative under various conditions
temperature, concentration and time.
VIVA-VOCE QUESTIONS WITH ANSWERS
PROJECT 5 Study of digestion of starch by salivary amylase and effect of pH and temperature on it
EXPERIMENT 1 Effect of different pH on the activity of salivary amylase on starch.
EXPERIMENT 2 Effect of different Temperatures on the activity of salivary amylase on starch.
VIVA-VOCE QUESTIONS WITH ANSWERS
PROJECT 6 Comparative study of the rate of fermentation of following materials : wheat flour, gram flour, patato juice, carrot juice etc.
Experiment 1 To compare the rates of fermentation of the given samples of wheat flour, gram flour and potato juice.
Experiment 2 To compare the rates of fermentation of the given samples of apple juice, carrot juice and orange juice.
VIVA-VOCE QUESTIONS WITH ANSWERS
PROJECT 7 Extraction of essential oils present in Saunf (aniseed), Ajwain (Carum), Ilaichi (Cardamom)
VIVA-VOCE QUESTIONS WITH ANSWERS
PROJECT 8 Study of common food adultrants in fat oil, butter, sugar, turmeric powder, chlli powder and pepper
Experiment 1 To detect the presence of adulterants in fat, oil and butter.
Experiment 2 To detect the presence of adulterants in sugar
Experiment 3 To detect the presence of adulterants in samples of chilli powder.
Experiment 4 To detect the presence of adulterants in samples of turmeric powder.
Experiment 5 To detect the presence of adulterants in samples of pepper.
VIVA-VOCE QUESTIONS WITH ANSWERSProduct Features:
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CBSE
Sahitya Bhawan CBSE class 12 physical education Lab Manual with theory and Viva-voce questions as per syllabus
₹260.00₹195.00Edition 2020 Class 12 Subject Physical Education Board CBSE Author Subhash Chandra Binding Hard bound Pages 224 Language English Country India Series Title Sahitya Bhawan Isbn 9789387666597 Product Features
Sahitya Bhawan lab manual class 12 Physical Education practical book has been prepared in accordance with the CBSE guidelines. These lab manuals provide better understanding of various concepts in a lucid manner. The entire matter is prepared in a way that it provides complete understanding of each topic. Viva-voce helps the students in having a better understanding of concepts.
Content
1. A Ahper Youth Fitness Test
2. Proficiency in games and sports
(A) Bocce
(B) Basketball
(C) Football
(D) Handball
(E) Hockey
(F) Kho-Kho
(G) Cricket
(H) Kabaddi
(I) Unified Basketball
(J) Volleyball
3. Yoga
4. Procedure for Asanas Benefits & Contradiction for any two Asanas for each life sty disease
5. Procedure for administering senior citizen fitness test for 5 elderly family membersProduct Features:
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CBSE
Sahitya Bhawan CBSE class 12 physics Lab Manual with theory and Viva-voce questions as per syllabus
₹270.00₹202.00Edition 2020 Class 12 Subject Physics Board CBSE Author Divya Agrawal Binding Hard bound Pages 304 Language English Country India Series Title Sahitya Bhawan Isbn 99789387666641 Product Features
Sahitya Bhawan lab manual class 12 Physics practical book has been prepared in accordance with the CBSE guidelines. These lab manuals provide better understanding of various concepts in a lucid manner. The entire matter is prepared in a way that it provides complete understanding of each topic. Viva-voce helps the students in having a better understanding of concepts.
Content
General introduction : science and physics
Section : A
Experiment No. 1
To determine resistance per cm of a given wire
by plotting a graph of potential difference versus
current.
Experiment No. 2
To find the resistance of a given wire using Meter bridge and hence determine the specific
resistance of its material.
Experiment No. 3
To verify the law of combination (series) of resistances using a Meter bridge.
Experiment No. 4
To verify the law of combination (parallel) resistances using a Metre bridge.
Experiment No. 5
To compare the emfs of two given primary cells using potentiometer.
Experiment No. 6
To determine the internal resistance of a given primary cell using potentiometer.
Experiment No. 7
To determine the resistance of a galvanometer by half deflection method and to find its figure of merit.
Experiment No. 8
To convert a given galvanometer (of known resistance and figure of merit) into a voltmeter of desired range and to verify the same.
Experiment No. 9
To convert the given galvanometer (of known resistance and figure of merit) into an ammeter of desired range and to verify the same.
Experiment No. 10
To find the frequency of the a.c. mains with a Sonometer
Activity no. 1
To measure the resistance and impedance of an inductor with or without iron Core.
Activity No. 2
To measure resistance, voltage (ac / dc) current (ac) and check continuity of a given circuit using multi-multimeter.
Activity No. 3
To assemble a household circuit comprising three bulbs, three (on/off) switches, a fuse and a power source.
Activity No. 4
To assemble the components of a given electrical circuit.
Activity No. 5
To study the variation in potential drop with length of a wire for a steady current.
Activity No. 6
To draw the diagram of a given open circuit comprising at least a battery, resistor/rheostat, key, ammeter and voltmeter. Mark the components that are not connected in proper order and correct the circuit and also the circuit diagram.
Aection : B
Experiment No. 1
To find the value of v for different value of u in case of a concave mirror and to find the
focal length.
Experiment No. 2
To find the focal length of a convex mirror, using a convex lens.
Experiment No. 3
To find the focal length of a convex lens by plotting graphs between u and v or between
1/u and 1/v.
Experiment No. 4
To find the focal length of a concave lens, using convex lens.
Experiment No. 5
To determine the angle of minimum deviation for a given prism by plotting a graph between
the angle of incidence and angle of deviation.
Experiment No. 6
To determine the refractive index of a glass slab using a travelling microscope.
Experiment No. 7
To find the refractive index of a liquid by using convex lens and plane mirror..
Experiment No. 8
To study the – characterstic curve of a p-n junction diode in forward bias and reverse bias.
Experiment No. 9
To draw the characterstic curves of a zener diode and to determine its reverse breaks down voltage.
Experiment No. 10
To determine the wavelength of a laser beam
by diffraction.
Activity no. 1
To identify a diode, an LED, a transistor, an IC,
a resistor and a capacitor from a mixed colle-
ction of such items.
Activity No. 2
Use of multimeter to :
(a) Identify base of transistor
(b) distinguish between n-p-n and p-n-p type transistors.
(c) see the unidirectional flow of current in case of a diode and an LED.
(d) check whether a given electronic compo-nent (eg. diode, transistor or IC) is in working order)
Activity No. 3
To study the effect of intensity of light (by varying distance of the source) on an LDR. 7
Activity No. 4
To observe refraction and lateral deviation of a beam of light incident obliquely on a glass slab.
Activity No. 5
To observe polarisation of light using two polaroids.
Activity No. 6
To observe diffraction of light due to a thin slit.
Activity No. 7(A)
To study the nature and size of the image formed
by a convex lens on a screen by using a candle
and a screen (for different distances of the
candle from the lens.).
Activity No. 7(B)
To study the nature and size of the image for-
med by a concave mirror on a screen by using
a candle and a screen (for different distances
of the candle from the lens.).
Activity No. 8
To obtain a lens combination with the specified focal length by using two lenses from the given
set of lenses.
investigatory Projects
project 1
To study the various factors on which the
internal resistance/EMF of a cell depends.
project 2
To study the variations in current flowing in
a circuit containing an LDR because of a vari-
ation in (a) the power of the incandescent
lamp, used to ‘illuminate’ the LDR (keeping
all the lamps at a fixed distance), (b) the
distance of a incandescent lamp (of fixed
power) used to ‘illuminate’ the LDR .
project 3
To find the refractive indices of (a) water
(b) oil (transparent) using a plane mirror,
an equiconvex lens (made from a glass of
known refractive index) and an adjustable
object needle. .
project 4
To design an appropriate logic gate combina-
tion for a given truth table . 88
project 5
To investigate the relation between the ratio
of (i) output and input voltage and (ii) number
of turns in the secondary coil and primary coil
of a self-designed transformer.. 90
project 6
To investigate the dependence of the angle of deviation on the angle of incidence using a
hollow prism filled one by one, with different transparent fluids . 91
project 7
To estimate the charge induced on each one of
the two identical styrofoam (or pith) balls suspendend in a vertical plane by making use
of Coulomb’s law. 93
project 8
To study the factor on which the self-inductance
of a coil depends by observing the effect of this coil, when put in series with a resistor (bulb) in
a circuit fed up by an A.C. source of adjustable frequency . 94
project 9
To study the earth’s magnetic field using a
tangent galvanometer. 95Product Features: