Category Archives: CBSE

Reproductive Health Class 12 Notes: Chapter 4 Reproductive Health is generally defined as healthy, well-being and proper functioning of reproductive organs in all aspects of reproduction. India was the first country in the world to initiate action plans and programmes called family planning to attain total reproductive health as a social goal. It was introduced at a …

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Human Reproduction Class 12 Notes: Chapter 3 Reproduction is the process of giving birth to their young ones which are identical to their parents. As we all are aware of, the process of reproduction in humans is sexual reproduction, which involves internal fertilization by sexual intercourse. Please refer Human Reproduction Class 12 Notes for more …

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Sexual Reproduction in Flowering Plants Class 12 Notes: Chapter 2 Reproduction in plants involves both sexually and asexually. But the majority of the flowering plants reproduce sexually and flower plays an important role in the process of sexual reproduction. Hence, the flower is also called as the reproductive part of a plant. The complete flower …

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Reproduction in Organisms Class 12 Notes: Chapter 1 Reproduction is a biological process of producing their young ones, which are identical to their parents. This process plays an important role in the continuity of the species, generation after generations. Reproduction is usually carried out by all living organisms from a single celled amoeba to the …

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CBSE class 12 Biology Notes: Chapter wise Biology is the most interesting and scoring subject which is further full of amazing facts and exclusive discoveries. Biology is also one of the important subjects in the science stream and obtaining good marks in this subject could help students land placement in good medical institutions and others. …

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Chemistry in Everyday Life Class 12 Notes – Chapter 16 Chemical reactions important to everyday life. The drugs people use are all extracted from plants or synthesized in laboratories–chemistry! Soaps, detergents, household cleaners are all chemicals made in a lab. The art of cooking is a chemical reaction. Please refer Chemistry in Everyday Life Class 12 …

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Polymers Class 12 Notes – Chapter 15 Polymers are derived from monomers which consist of repeating structural units of high molecular mass macromolecules. They may occur in natural or synthetic form and are classified in many ways such as based on origin, structure, etc. Please refer Polymers Class 12 Notes for more revision notes.

Biomolecules Class 12 Notes – Chapter 14 Biomolecules describe the molecules required by living things to build body parts and maintain the biochemical processes required for life functions. These biomolecules may be classed as either organic or inorganic compounds. Organic compounds are compounds containing carbon that are found in living things. Please refer Biomolecules Class 12 Notes for …

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Amines Class 12 Notes – Chapter 13 Amines are derived from ammonia acquired by replacing hydrogen atoms in aryl or with alkyl groups. When one hydrogen atom is replaced it gives rise to a primary amine. The structure of secondary amines is given by R2NH or R-NHR′ whereas tertiary amines are characterized by RNR′R′′ or …

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Aldehydes, Ketones and Carboxylic Acids Class 12 Notes – Chapter 12 Some important organic compounds containing carbonyl group are carboxylic acids, aldehydes, and ketones. These molecules are highly polar and hence have high boiling temperatures when compared to hydrocarbons as well as weak polar compounds such as ethers of comparable molecular masses. The lower embers form hydrogen …

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