NCERT Solutions

NCERT Solutions for Class 11 Biology Chapter 17 – Breathing and Exchange of Gases

NCERT Class 11 Biology Chapter 17 – Breathing and Exchange of Gases 1. Define vital capacity. What is its significance? Solution: Vital capacity can be defined as the maximum volume of air a person can breathe in post a force expiration. Significance of vital capacity: It depicts the maximum amount of air that can be …

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NCERT Solutions for Class 11 Biology Chapter 16 – Digestion and Absorption

NCERT Class 11 Biology Chapter 16 – Digestion and Absorption 1. Choose the correct answer among the following: (a) Gastric juice contains (i) pepsin, lipase and rennin (ii) trypsin, lipase and rennin (iii) trypsin, pepsin and lipase (iv) trypsin, pepsin and renin (b) Succus entericus is the name given to (i) a junction between ileum …

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NCERT Solutions for Class 11 Biology Chapter 15 – Plant Growth and Development

NCERT Class 11 Biology Chapter 15 – Plant Growth and Development 1. Define growth, differentiation, development, dedifferentiation, development, redifferentiation, determinate growth, meristem and growth rate. Solution: Growth – it is an irreversible, permanent increase in the size of an organ or its parts or even of an individual cell. Growth is supplemented by metabolic activities …

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NCERT Solutions for Class 11 Biology Chapter 14 – Respiration in Plants

NCERT Class 11 Biology Chapter 14 – Respiration in Plants 1. Differentiate between (a) Respiration and Combustion (b) Glycolysis and Krebs’ cycle (c) Aerobic respiration and Fermentation Solution: a)Respiration and Combustion Respiration Combustion It is a biochemical process It is a physicochemical process. Temperature stays low Temperature drastically raises Occurs in living cells It is …

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NCERT Solutions for Class 11 Biology Chapter 13 – Photosynthesis in Higher Plants

NCERT Class 11 Biology Chapter 13 – Photosynthesis in Higher Plants 1. By looking at a plant externally can you tell whether a plant is C3 or C4 ? Why and how? Solution: Though plants which are adapted to dry tropical climate have the C4 pathway, they do not show any external morphologic characteristics. Hence it …

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NCERT Solutions for Class 11 Biology Chapter 12 – Mineral Nutrition

NCERT Class 11 Biology Chapter 12 – Mineral Nutrition 1. ‘All elements that are present in a plant need not be essential to its survival’. Comment Solution: No, out of 105 elements absorbed by plants only about 17 elements are essential for plant growth and survival. 2. Why is purification of water and nutrient salts …

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NCERT Solutions for Class 11 Physics Chapter 15 – Waves

Topics and Subtopics in NCERT Solutions for Class 11 Physics Chapter 15 Waves: Section Name Topic Name 15 Waves 15.1 Introduction 15.2 Transverse and longitudinal waves 15.3 Displacement relation in a progressive wave 15.4 The speed of a travelling wave 15.5 The principle of superposition of waves 15.6 Reflection of waves 15.7 Beats 15.8 Doppler effect …

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NCERT Solutions for Class 11 Physics Chapter 14 – Oscillations

Topics and Subtopics in NCERT Solutions for Class 11 Physics Chapter 14 Oscillations: Section Name Topic Name 14 Oscillations 14.1 Introduction 14.2 Periodic and oscilatory motions 14.3 Simple harmonic motion 14.4 Simple harmonic motion and uniform circular motion 14.5 Velocity and acceleration in simple harmonic motion 14.6 Force law for simple harmonic motion 14.7 Energy in …

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NCERT Solutions for Class 11 Physics Chapter 13 – Kinetic Theory

Topics and Subtopics in NCERT Solutions for Class 11 Physics Chapter 13 Kinetic Theory: Section Name Topic Name 13 Kinetic Theory 13.1 Introduction 13.2 Molecular nature of matter 13.3 Behaviour of gases 13.4 Kinetic theory of an ideal gas 13.5 Law of equipartition of energy 13.6 Specific heat capacity 13.7 Mean free path   QUESTIONS FROM …

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NCERT Solutions for Class 11 Physics Chapter 12 – Thermodynamics

Topics and Subtopics in NCERT Solutions for Class 11 Physics Chapter 12 Thermodynamics: Section Name Topic Name 12 Thermodynamics 12.1 Introduction 12.2 Thermal equilibrium 12.3 Zeroth law of thermodynamics 12.4 Heat, internal energy and work 12.5 First law of thermodynamics 12.6 Specific heat capacity 12.7 Thermodynamic state  variables and equation of state 12.8 Thermodynamic processes 12.9 …

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