The National Curriculum Framework, (NCF), 2005, recommends that children’s life at school must be linked to their life outside the school. This principle marks a departure from the legacy of bookish learning which continues to shape our system and causes a gap between the school, home and community. The syllabi and textbooks developed on the basis of NCF signify an attempt to implement this basic idea. They also attempt to discourage rote learning and the maintenance of sharp boundaries between different subject areas.

NCERT Solutions for Class 10 are solved by experts of AskGuru in order to help students to obtain excellent marks in their board examination. All the questions and answers that are present in the CBSE NCERT Books has been included in this page. The CBSE Class 10 board exams are the first public exams that every student has to face. The structure of this exam is to test the candidate’s practical as well as theoretical knowledge. Hence, it is important for students to have a clear understanding of the concepts and relating them to real-world applications will help them have strong practical knowledge as well.

 

NCERT Solutions for Class 10 Science for all the exercises from Chapters 1 to 16 are provided here.

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Chapter 1 

Chemical Reactions

 Chemical equation, Balanced chemical equation, implications of a

balanced chemical equation, types of chemical reactions: combination, decomposition,

displacement, double displacement, precipitation, neutralization, oxidation and reduction.

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Chapter 4

Carbon compounds

Covalent bonding in carbon compounds. Versatile nature of carbon.

Homologous series. Nomenclature of carbon compounds containing functional groups

(halogens, alcohol, ketones, aldehydes, alkanes and alkynes), difference between saturated

hydro carbons and unsaturated hydrocarbons. Chemical properties of carbon compounds

(combustion, oxidation, addition and substitution reaction). Ethanol and Ethanoic acid (only

properties and uses), soaps and detergents.

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Chapter 7

Control and co-ordination in animals and plants

Tropic movements in plants; Introduction

of plant hormones; Control and co-ordination in animals: Nervous system; Voluntary,

involuntary and reflex action; Chemical co-ordination: animal hormones.

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Chapter 10

Light Reflection and Refraction

Reflection of light by curved surfaces; Images formed by spherical mirrors, centre of curvature,

principal axis, principal focus, focal length, mirror formula (Derivation not required),

magnification.

Refraction; Laws of refraction, refractive index.

Refraction of light by spherical lens; Image formed by spherical lenses; Lens formula

(Derivation not required); Magnification. Power of a lens.

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Chapter 13

Magnetic effects of current 

Magnetic field, field lines, field due to a current carrying

conductor, field due to current carrying coil or solenoid; Force on current carrying conductor,

Fleming’s Left Hand Rule, Electric Motor, Electromagnetic induction. Induced potential

difference, Induced current. Fleming’s Right Hand Rule, Electric Generator, Direct current.

Alternating current: frequency of AC. Advantage of AC over DC. Domestic electric circuits.

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Chapter 16

Management of natural resources

Conservation and judicious use of natural resources.

Forest and wild life; Coal and Petroleum conservation. Examples of people’s participation for

conservation of natural resources. Big dams: advantages and limitations; alternatives, if any.

Water harvesting. Sustainability of natural resources.

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Chapter 2

Acids, bases and salts

Acids, bases and salts: Their definitions in terms of furnishing of H+ and OH– ions, General

properties, examples and uses, concept of pH scale (Definition relating to logarithm not

required), importance of pH in everyday life; preparation and uses of Sodium Hydroxide,

Bleaching powder, Baking soda, Washing soda and Plaster of Paris.

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Chapter 5

Periodic classification of elements

Need for classification, early attempts at

classification of elements (Dobereiner’s Triads, Newland’s Law of Octaves,

Mendeleev’s Periodic Table), Modern periodic table, gradation in properties, valency,

atomic number, metallic and non-metallic properties.

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Chapter 8

Reproduction

Reproduction in animals and plants (asexual and sexual) reproductive healthneed and methods of family planning. Safe sex vs HIV/AIDS. Child bearing and women’s

health.

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Chapter 11

The Human Eye and Colorful World

Functioning of a lens in human eye, defects of vision and their corrections, applications of

spherical mirrors and lenses.

Refraction of light through a prism, dispersion of light, scattering of light, applications in daily

life.

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Chapter 14

Sources of energy

Different forms of energy, conventional and non-conventional sources of

energy: Fossil fuels, solar energy; biogas; wind, water and tidal energy; Nuclear energy.

Renewable versus non-renewable sources of Energy.

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Chapter 3

Metals and nonmetals

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Properties of metals and non-metals; Reactivity series; Formation and

properties of ionic compounds; Basic metallurgical processes; Corrosion and its prevention.

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Chapter 6

Life processes

‘Living Being’. Basic concept of nutrition, respiration, transport and excretion

in plants and animals.

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Chapter 9

Heredity and Evolution

Heredity; Mendel’s contribution- Laws for inheritance of traits: Sex

determination: brief introduction; Basic concepts of evolution.

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Chapter 12

Electricity

Electric current, potential difference and electric current. Ohm’s law; Resistance, Resistivity,

Factors on which the resistance of a conductor depends. Series combination of resistors,

parallel combination of resistors and its applications in daily life. Heating effect of electric

current and its applications in daily life. Electric power, Interrelation between P, V, I and R.

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Chapter 15

Our environment

Eco-system, Environmental problems, Ozone depletion, waste production

and their solutions. Biodegradable and non-biodegradable substances.