Second Grade – Concept Plus Academy

Course Content

Physics

BASIC MATHEMATICS CONCEPT: TRIGONOMETRY

35:05
1.1 Physical World : Measurement

46:03
1.2 Physical World : UNIT AND TYPE OF UNIT

35:49
1.3 Physical World : DIMENSION & DIMENSION ANALYSIS

01:36:00
1.4 physical world : Accuracy and error in measurement

49:06
1.5 Important question related to physical world and measurement

39:17
2.1 Motion in Straight Line, Distance, Displacement, Speed, Velocity, Acceleration

01:34:20
2.2 RELATIVE VELOCITY AND RESULTANT VELOCITY

53:02
2.3 GRAPH:S-t ,v-t,a-t graph and numerical approach

37:45
2.4 गति के समीकरण Equation of Motion

01:12:21
2.5 Motion in Gravitation part 1

50:15
2.6 Motion in Gravitation part 2

00:00
2.7 Free fall (मुक्त पतन) u=0,a=constant

01:12:51
Quick review of 1 ,2 chapter

01:00:55
2.8 सदिश एवम् अदिश राशियां , सदिशों का योग

01:04:13
2.9 REVER BOAT PROBLEM

01:18:57
2.10 सदिशो का व्यवकलन (घटाव), ∆V, Vab

01:00:10
2.11 Human-Rain-problem and wind related questions

58:06
2.12 components of vectors (सदिशो के घटक)

27:10
2.13 multiplication of vectors :-सदिशो का गुणन :DOT PRODUCT

37:32
2.14 DOTPRODUCT: CONCEPT AND QUESTIONS

42:08
2.15 CROSS PRODUCT:-CONCEPT & QUESTIONS

34:31
Work , Energy, Power:part 1 work energy and power

57:56
3. Heat and thermodynamics – Part 1 (उष्मा, ताप की अवधारणा TEMPERATURE)

50:44
3. Heat and thermodynamics – Part 2 (गलन, क्वथन ,जमना ,एवम् उर्ध्वपातन)

13:34
3. Heat and thermodynamics – Part 4 (ऊष्मा ,दैनिक जीवन में ऊष्मीय प्रसार,ऊष्मा के उपयोग)

14:31
3. Heat and thermodynamics – Part 3 (ऊष्मा से संबंधित नियम)

10:13
4 Radiation : ऊष्मा ,ऊष्मा के प्रकार ,ऊष्मा का आदान प्रदान

26:58
4 Radiation : ऊष्मा के संचरण की विधियां ,ऊष्मा के सुचालक एवम् कुचालक

10:17
5.1 Wave : # SOUND, TYPEOFSOUND,ULTRASOUND, INFRASOUND

30:34
5.2 Wave : ध्वनिकेअभिलक्षण

30:34
5.3 Wave : ध्वनिकासंचरण

17:03
5.4 Wave : ECHO, प्रतिध्वनि, Sound

21:25
5.5 Wave : शोर व शोर को कम करने के उपाय

11:24
6.OPTICS LIGHT PART 1

30:34
6. Ray optics : Light 2

24:04
6. Ray optics : Light 3

30:04
6. Ray optics : Light 4

27:27
6. Ray optics : Light 5

39:37
6. Ray optics : Light, Refraction, Law of refraction, अपवर्तन, अपवर्तन के नियम, प्रभाव

41:49
6. Ray optics : Total Internal Reflection, Optics, Important Concept Of Physics

15:17
Dynamics of rigid body: centre of mass concepts and questions

02:02:16
Dynamics of rigid body: centre of mass concepts and questions part 2

41:09
Dynamics of rigid body: TORQUE and Equilibrium

49:38
Dynamics of rigid body: moment of inertia

01:36:30
Dynamics of rigid body: rotation radius,rolling, angular momentum

36:24
Dynamics of rigid body:-Question and answer

01:22:36
THERMODYMANICS PART 1

50:16
THERMODYMANICS PART 2

01:46:55
THERMODYMANICS PART 3

01:11:16
THERMODYMANICS PART 4

01:21:35
OSCILLATION:- SIMPLE HARMONIC MOTION PART 1

01:28:26
OSCILLATION:- SIMPLE HARMONIC MOTION PART 2

00:00
OSCILLATION:- SIMPLE HARMONIC MOTION PART 3

00:00
OSCILLATION:- SIMPLE HARMONIC MOTION PART 4

00:00
OSCILLATION:- SIMPLE HARMONIC MOTION PART 5

01:00:39
OSCILLATION:- SIMPLE HARMONIC MOTION PART 6

00:00
OSCILLATION:- SIMPLE HARMONIC MOTION PART 7

53:39
WAVE -WAVE MOTION (तरंग संचरण) PART 1

01:37:31
WAVE:WAVE MOTION (तरंग संचरण) PART 2

00:00
WAVE -WAVE MOTION (तरंग संचरण):SUPERPOSITION OF WAVE PART 3

00:00
WAVE:WAVE MOTION :-STANDING WAVE (अप्रगामी तरंग) PART 4

00:00
WAVE:WAVE MOTION :-SOUND WAVE (ध्वनि तरंग) PART 5

00:00
WAVE:WAVE MOTION :-SOUND WAVE , CLOSED AND OPEN PIPE , RESONANCE TUBE AND BEATS PART6

00:00
WAVE:WAVE MOTION :-SOUND WAVE ,ECHO AND DOPPLER EFFECT PART 7

21:25
ELECTROSTATIC ( स्थिरवैधुतिकी) :- CHARGE AND IT’S PROPERTIES PART 1

58:58
ELECTROSTATIC PART 2 :-COULOMB’S LAW (कूलाम का नियम)

01:29:41
ELECTROSTATIC PART 3 :-COULOMB’S LAW RELATED CONCEPT

00:00
ELECTROSTATIC PART 4 :-ELECTRIC FIELD INTENSITY

00:00
ELECTROSTATIC PART 5 :-ELECTRIC FIELD INTENSITY DUE TO ELECTRIC DIPOLE

00:00
ELECTROSTATIC PART 6 :-ELECTRIC FLUX AND GAUSS LAW

00:00
ELECTROSTATIC PART 7:-Q/A ELECTRIC FLUX AND GAUSS LAW

00:00
ELECTRIC CURRENT PART 1 :- KIRCHHOFF LAW

00:00
ELECTRIC CURRENT PART 2 :- WHEATSTONE BRIDGE

00:00
ELECTRIC CURRENT PART 3 :- METER BRIDGE

00:00
QUESTIONS AND ANSWER:- ELECTRIC CURRENT

00:00
POTENTIOMETER (विभवमापी)

00:00
POTENTIOMETER APPLICATIONS (विभव मापी के अनुप्रयोग)

00:00
OPTICS :- SIMPLE MICROSCOPE

00:00
OPTICS :- COMPOUND MICROSCOPE

00:00
OPTICS :- MICROSCOPE:- RESOLVING POWER

00:00
Bohr model

00:00
Properties of matter (पदार्थ के गुण) : गैसीय अवस्था

00:00
FLUID DYNAMICS

00:00

Chemistry

1. Atomic Structure : Atom, Atomic Models (Dalton, Thomson & Rutherford)

48:22
1. Atomic Structure : Isotopes, Isobars, Electronic Configuration, Valency

01:02:02
2. Classification of element and periodicity

01:19:34
4. Environment Chemistry : Green House Effect, Green House Gases

25:36
4. Environment Chemistry : OZONE LAYER, OZONE DEPLETION, STRATOSPHERE

23:08
4. Environment Chemistry : Global Warming

08:47
5. Solution : Mixture, Solution, Colloid, Suspension

37:48
5. Solution : Intro

51:32
5. Solution : Molarity, Molality, Normality, Formality

54:59
5. Solution : Q/A related to M,m,N and relation

01:11:56
5. Solution : वाष्प दाब में अवनमन

59:34
5. Solution : क्वथनांक में उन्नयन व स्थिर क्वाथी मिश्रण

55:27
5. Solution : हिमांक में अवनमन

52:10
5. Solution : Osmotic Pressure (परासरण दाब)

51:45
ORGANIC CHEMISTRY :- HYDROCARBON AND COMMON NAME SYSTEM

02:16:43
ORGANIC CHEMISTRY:- DERIVED SYSTEM OF NOMENCLATURE

22:48
ORGANIC CHEMISTRY :- IUPAC SYSTEM

01:49:45
BASIC CHEMISTRY #CHEMICAL REACTION

00:00
BASIC CHEMISTRY #MATTER

00:00
BASIC CHEMISTRY #METAL #NONMETAL #METTALOID

00:00
BASIC CHEMISTRY #PURIFICATION METHODS

00:00
BASIC CHEMISTRY #OXIDES

00:00
SOLID STATE PART 6

00:00
SOLID STATE PART 1

16:09
SOLID STATE PART 2

00:00
SOLID STATE PART 3

00:00
SOLID STATE PART 4

00:00
SOLID STATE PART 5

00:00
SOLID STATE PART 7

00:00
SOLID STATE PART 8

00:00
Live :- chemical equilibrium

00:00
Live class :- chemical equilibrium part 2

00:00
Live class :- chemical equilibrium part 3

00:00
Live class :- chemical equilibrium part 4

00:00
Live class:- Ionic equilibrium part 1

00:00
Live class Ionic equilibrium part 2

00:00
Live class Ionic equilibrium part 3

00:00
Live:-Liquid state (द्रव अवस्था)

00:00
Live:- gaseous state (गैसीय अवस्था)

00:00
Live :- organic chemistry

02:35:35

Biology

Cell Biology : Biology in Cell Part 1

14:47
Cell Biology : Biology in Cell Part 2

15:49
Cell Biology : Biology in Cell Part 3

17:03
Cell Biology : Origin of Cell (Chemical Synthesis – Oparine & Haldane)

09:38
Cell Biology : Atomic & Molecular Phase

15:49
Cell Biology : Methanogen – Ruminant – Archaebacteria

11:42
Cell Biology : Salient features of Mangrove Plants

05:50
Cell Biology : Origin of monomer and polymer and protobiont

28:29
Cell Biology : Cell Wall Part 1

25:16
Cell Biology : Cell Wall Part 2

15:39
Cell Biology : Cell Membrane Part 1

12:01
Cell Biology : Cell Membrane Part 2

13:37
Cell Biology : Cytoskeleton

14:26
Cell Biology : Centriole

05:17
Cell Biology : Vacoule

09:30
Cell Biology : Golgibody

14:24
Cell Biology : Cilia – Flagella

11:22
Cell Biology : Lysosome – Suicidalbag

28:17
Cell Biology : Glyoxisome and Sphaerosome

04:44
Cell Biology : Ribosome

28:44
Cell biology RIBOSOME part 2 QUESTIONS AND ANSWER

12:25
Cell Biology : Peroxisome – Cellbiology

20:17
Cell Biology : Chloro Plast

27:05
Cell Biology : Mitochondria – PART 1

13:22
Cell Biology : Mitochondria – PART 2

21:07
Cell Biology : Mitochondria – PART 3

19:25
Genetics : General introduction & DNA packaging, Chromosome

19:35
Genetics : Terminology & central dogma of Science

17:45
Genetics : Mendel & Heredity

20:21
Genetics : Pea & Monohybrid Cross

19:32
Genetics : Monohybrid Cross & Numerical

20:48
Genetics : Dihybrid Cross

40:22
Genetics : Test Cross

12:32
Genetics : Why we need packaging of DNA

04:26
Genetics : Mendel law of dominance – monohybrid cross

28:40
Genetics : Mendel second law – Mendel third law

18:21
Genetics : BLOOD GROUP – Antigen – Rh factor

28:10
Genetics : Chromosomal – theory of inheritance

10:22
Genetics : Linkage & cross over, recombination

22:50
Biotechnology : Introduction EFB

01:04:49
Biotechnology : Restriction endonuclease, Enzyme, RDT, palindrome

01:08:27
Biotechnology : RDT, Vector, Plasmid, Cosmid, Bacteriophage, BAC, YAC

01:09:18
Biotechnology : RDT, Transfer Desire DNA Into Host, वांछित DNA स्थानांतरण विधियां

46:06
Biotechnology : GELELETROPHORESIS, जेल वैधुत कण संचलन

27:03
Biotechnology : PCR, POLYMERASE CHAIN REACTION

40:04
Animal Physiology : Digestive System

01:16:06
Animal Physiology : Digestive System..(Tongue,Teeth)

01:21:26
Animal Physiology : Digestive System ( Teeth)3

01:12:50
Animal Physiology : Digestive System.(Pharynx/Oesophagus.)

01:18:59
Animal Physiology : Digestive System.Histology Of Alimentary Canal&ENS

01:01:50
Animal Physiology : Digestive System (Stomach)

01:15:53
Animal Physiology : Small Intestine

54:17
Animal Physiology : Large Intestine

56:32
Animal Physiology : Liver

52:33
Animal Physiology : Function Of Liver

42:28
Animal Physiology : Pancreas

48:30
Animal Physiology : Salivary Glands & Saliva

59:18
Animal Physiology : Physiology Of Digestion

01:00:58
Animal Physiology : Enzymatic Digestion

40:29
Animal Physiology : Enzymatic digestion – Protein & fat – Role of Gastrin

01:06:11
Animal Physiology : Absorption of Simple Molecules

01:05:38
PLANT PHYSIOLOGY PART 1:- WATER POTENTIAL (जल विभव)

57:04
PLANT PHYSIOLOGY PART 2:- WATER POTENTIAL AND DPD(विसरण दाब न्यूनता)

01:01:42
PLANT PHYSIOLOGY PART 3:- Q/A WATER POTENTIAL AND DPD

33:25
PLANT PHYSIOLOGY PART 4 :- IMBIBITION (अंतः चूषण)

20:42
PLANT PHYSIOLOGY PART 5 :- TYPES OF WATER AND WATER ABSORPTION AND PATH OF ABSORPTION

57:51
CLASSIFICATION OF ANIMAL KINGDOM PART 1: SYMMETRY,BODY PLAN, GERM LAYER

53:13
CLASSFICATION OF ANIMAL KINGDOM PART 2:- COELOME, EXCRETION AND TYPE OF KIDNEY

01:05:25
CLASSIFICATION OF ANIMAL KINGDOM PART 3 :- NUTRITION, REPRODUCTION AND SEGMENTATION

56:13
CLASSFICATION OF ANIMAL KINGDOM PART 4:- PHYLUM PROTOZOA

01:36:30
CLASSFICATION OF ANIMAL KINGDOM PART 5 :- AMOEBA AND ENTAMOEBA

45:36
CLASSIFICATION OF ANIMAL KINGDOM PART 6 -EUGLINA AND OTHER FLAGELLATES

14:24
CLASSIFICATION OF ANIMAL KINGDOM PART 7: PLASMODIUM AND LIFE CYCLE

46:00
CLASSIFICATION OF ANIMAL KINGDOM PART 8 :- PARAMECIUM

13:05
CLASSIFICATION OF ANIMAL KINGDOM PART 9:- PHYLUM:-PORIFERA

52:32
CLASSIFICATION OF ANIMAL KINGDOM PART 10 :-PHYLUM:-COELENTRATA (सिलेंट्रेटा)

01:01:15
CLASSFICATION OF ANIMAL KINGDOM PART 11 :-PHYLUM:- CTENOPHORA (टिनोफोरा)

11:23
CLASSIFICATION OF ANIMAL KINGDOM PART 12 :- PHYLUM:- PLATIHELMINTHES (प्लेटिहेलमंथीज)

47:38
CLASSIFICATION OF ANIMAL KINGDOM PART 13 :-PHYLUM:-ASCHELMINTHES (NEMATODES)

47:14
CLASSIFICATION OF ANIMAL KINGDOM PART 14:- PHYLUM :- ANNELIDA

49:33
CLASSIFICATION OF ANIMAL KINGDOM PART 15 :-MINOR PHYLUM:-ONYCOPHORA

00:00
CLASSFICATION OF ANIMAL KINGDOM PART 16 :- PHYLUM:- ARTHROPODA (LARGEST PHYLUM)

00:00
CLASSIFICATION OF ANIMAL KINGDOM PART 17 :-PHYLUM:-MOLLUSCA(SECOND LARGEST PHYLUM)

01:21:01
CLASSIFICATION OF ANIMAL KINGDOM PART 18: PHYLUM :- ECHINODERMATA

46:48
CLASSFICATION OF ANIMAL KINGDOM :- QUICK REVIEW:- PROTOZOA TO ECHINODERMATA

00:00
CLASSFICATION OF ANIMAL KINGDOM :- PHYLUM:- HEMICHORDATA

00:00
CLASSFICATION OF ANIMAL KINGDOM :- PHYLUM:- CHORDATA AND IT’S FUNDAMENTAL CHARACTERSTICS

00:00
PHYLUM:- CHORDARA :- GROUP:- CRANIATA (SUB-PHYLUM:- VERTIBRATA:-DIVISION :- AGNATHA (CLASS:- OSTRACODERMI AND CYCLOSTOMATA

00:00
PHYLUM:- CHORDARA :- GROUP:- ACRANIATA (SUB-PHYLUM:- UROCHORDATA AND CEPHALOCHORDATA

00:00
PHYLUM:- CHORDARA :- GROUP:- CRANIATA (SUB-PHYLUM:- VERTIBRATA:-DIVISION :- GNATHOSTOMATA : SUPERCLASS :-PISCES

00:00
CLASSIFICATION OF SUPER CLASS PISCES

00:00
SUPER CLASS:- TETRAPODA ,CLASS:- AMPHIBIA(उभयचर)

00:00
Live class part 1

00:00
Live class part 2

00:00
Live class part 3

00:00
Live class part 4

00:00
Live class part 5

00:00
PLANT TAXONOMY :- LIVE CLASS :- CONCEPT AND MCQ

00:00
PLANT MORPHOLOGY :- LIVE:- CONCEPT AND QUESTIONS

00:00
PLANT ANATOMY :- CONCEPT AND QUESTIONS

00:00
LIVE :- ECOLOGY, POLLUTION AND BIODIVERSITY

00:00
LIVE :- BIOTECHNOLOGY, ECONOMIC IMPORTANCE OF PLANT AND ANIMALS

00:00
LIVE :- GENETICS & ANIMAL CLASSIFICATION

00:00
Live :- animal classification

00:00
ANIMAL PHYSIOLOGY LIVE PART 1

00:00
ANIMAL PHYSIOLOGY LIVE PART 2

00:00
ANIMAL PHYSIOLOGY LIVE PART 3

00:00
TAXONOMY:- DEFINITION OF LIFE

00:00
TAXONOMY:- GENERAL INTRODUCTION

00:00
TAXONOMY:- BINOMIAL SYSTEM

00:00
TAXONOMY:- TRINOMIAL SYSTEM & ICBN

00:00
TAXONOMY:- TYPE METHOD/TYPIFICATION

46:34
TAXONOMY:- TERMINOLOGY RELATED TO NOMENCLATURE

00:00
TAXONOMY:- CLASSIFICATION: ARTIFICIAL SYSTEM

00:00
TAXONOMY:- CLASSIFICATION: NATURAL SYSTEM

00:00
TAXONOMY:- CLASSIFICATION: PHYLOGENETIC SYSTEM

00:00
BRANCHES OF TAXONOMY

00:00
BRANCHES OF TAXONOMY BY TURRIL

00:00

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Course Content

Physics

BASIC MATHEMATICS CONCEPT: TRIGONOMETRY

1.1 Physical World : Measurement

1.2 Physical World : UNIT AND TYPE OF UNIT

1.3 Physical World : DIMENSION & DIMENSION ANALYSIS

1.4 physical world : Accuracy and error in measurement

1.5 Important question related to physical world and measurement

2.1 Motion in Straight Line, Distance, Displacement, Speed, Velocity, Acceleration

2.2 RELATIVE VELOCITY AND RESULTANT VELOCITY

2.3 GRAPH:S-t ,v-t,a-t graph and numerical approach

2.4 गति के समीकरण Equation of Motion

2.5 Motion in Gravitation part 1

2.6 Motion in Gravitation part 2

2.7 Free fall (मुक्त पतन) u=0,a=constant

Quick review of 1 ,2 chapter

2.8 सदिश एवम् अदिश राशियां , सदिशों का योग

2.9 REVER BOAT PROBLEM

2.10 सदिशो का व्यवकलन (घटाव), ∆V, Vab

2.11 Human-Rain-problem and wind related questions

2.12 components of vectors (सदिशो के घटक)

2.13 multiplication of vectors :-सदिशो का गुणन :DOT PRODUCT

2.14 DOTPRODUCT: CONCEPT AND QUESTIONS

2.15 CROSS PRODUCT:-CONCEPT & QUESTIONS

Work , Energy, Power:part 1 work energy and power

3. Heat and thermodynamics – Part 1 (उष्मा, ताप की अवधारणा TEMPERATURE)

3. Heat and thermodynamics – Part 2 (गलन, क्वथन ,जमना ,एवम् उर्ध्वपातन)

3. Heat and thermodynamics – Part 4 (ऊष्मा ,दैनिक जीवन में ऊष्मीय प्रसार,ऊष्मा के उपयोग)

3. Heat and thermodynamics – Part 3 (ऊष्मा से संबंधित नियम)

4 Radiation : ऊष्मा ,ऊष्मा के प्रकार ,ऊष्मा का आदान प्रदान

4 Radiation : ऊष्मा के संचरण की विधियां ,ऊष्मा के सुचालक एवम् कुचालक

5.1 Wave : # SOUND, TYPEOFSOUND,ULTRASOUND, INFRASOUND

5.2 Wave : ध्वनिकेअभिलक्षण

5.3 Wave : ध्वनिकासंचरण

5.4 Wave : ECHO, प्रतिध्वनि, Sound

5.5 Wave : शोर व शोर को कम करने के उपाय

6.OPTICS LIGHT PART 1

6. Ray optics : Light 2

6. Ray optics : Light 3

6. Ray optics : Light 4

6. Ray optics : Light 5

6. Ray optics : Light, Refraction, Law of refraction, अपवर्तन, अपवर्तन के नियम, प्रभाव

6. Ray optics : Total Internal Reflection, Optics, Important Concept Of Physics

Dynamics of rigid body: centre of mass concepts and questions

Dynamics of rigid body: centre of mass concepts and questions part 2

Dynamics of rigid body: TORQUE and Equilibrium

Dynamics of rigid body: moment of inertia

Dynamics of rigid body: rotation radius,rolling, angular momentum

Dynamics of rigid body:-Question and answer

THERMODYMANICS PART 1

THERMODYMANICS PART 2

THERMODYMANICS PART 3

THERMODYMANICS PART 4

OSCILLATION:- SIMPLE HARMONIC MOTION PART 1

OSCILLATION:- SIMPLE HARMONIC MOTION PART 2

OSCILLATION:- SIMPLE HARMONIC MOTION PART 3

OSCILLATION:- SIMPLE HARMONIC MOTION PART 4

OSCILLATION:- SIMPLE HARMONIC MOTION PART 5

OSCILLATION:- SIMPLE HARMONIC MOTION PART 6

OSCILLATION:- SIMPLE HARMONIC MOTION PART 7

WAVE -WAVE MOTION (तरंग संचरण) PART 1

WAVE:WAVE MOTION (तरंग संचरण) PART 2

WAVE -WAVE MOTION (तरंग संचरण):SUPERPOSITION OF WAVE PART 3

WAVE:WAVE MOTION :-STANDING WAVE (अप्रगामी तरंग) PART 4

WAVE:WAVE MOTION :-SOUND WAVE (ध्वनि तरंग) PART 5

WAVE:WAVE MOTION :-SOUND WAVE , CLOSED AND OPEN PIPE , RESONANCE TUBE AND BEATS PART6

WAVE:WAVE MOTION :-SOUND WAVE ,ECHO AND DOPPLER EFFECT PART 7

ELECTROSTATIC ( स्थिरवैधुतिकी) :- CHARGE AND IT’S PROPERTIES PART 1

ELECTROSTATIC PART 2 :-COULOMB’S LAW (कूलाम का नियम)

ELECTROSTATIC PART 3 :-COULOMB’S LAW RELATED CONCEPT

ELECTROSTATIC PART 4 :-ELECTRIC FIELD INTENSITY

ELECTROSTATIC PART 5 :-ELECTRIC FIELD INTENSITY DUE TO ELECTRIC DIPOLE

ELECTROSTATIC PART 6 :-ELECTRIC FLUX AND GAUSS LAW

ELECTROSTATIC PART 7:-Q/A ELECTRIC FLUX AND GAUSS LAW

ELECTRIC CURRENT PART 1 :- KIRCHHOFF LAW

ELECTRIC CURRENT PART 2 :- WHEATSTONE BRIDGE

ELECTRIC CURRENT PART 3 :- METER BRIDGE

QUESTIONS AND ANSWER:- ELECTRIC CURRENT

POTENTIOMETER (विभवमापी)

POTENTIOMETER APPLICATIONS (विभव मापी के अनुप्रयोग)