# Tag CBSE

## NCERT Solutions Class 11 Maths Chapter 9 Exercise 9.3 Straight Lines

NCERT Solutions Class 11 Maths Chapter 9 Exercise 9.3 Straight Lines The NCERT Solutions for Class 11 Maths Chapter 9, covering Straight Lines, are a helpful resource for students preparing for their Math board exams. The chapter covers important topics…

## NCERT Solutions Class 11 Maths Chapter 9 Exercise 9.2 Straight Lines

NCERT Solutions Class 11 Maths Chapter 9 Exercise 9.2 Straight Lines The NCERT Solutions for Class 11 Maths Chapter 9, covering Straight Lines, are a helpful resource for students preparing for their Math board exams. The chapter covers important topics…

## NCERT Solutions Class 11 Maths Chapter 09 Straight Lines

NCERT Solutions Class 11 Maths Chapter 09 Straight Lines The NCERT Solutions for Class 11 Maths Chapter 9, covering Straight Lines, are a helpful resource for students preparing for their Math board exams. The chapter covers important topics like slope,…

## NCERT Class 10 Maths Chapter 7 – Coordinate Geometry Exercise 7.2 NCERT Solutions

NCERT Class 10 Maths Chapter 7 – Coordinate Geometry Exercise 7.2 NCERT Solutions The academic team at Neutronclasses has meticulously crafted NCERT solutions for Chapter 7 Exercise 7.2 of Class 10 Mathematics, which focuses on Coordinate Geometry. These solutions comprehensively…

## Important Questions Exercise 7.1 Class 10 Maths Chapter 7 Coordinate Geometry

Important Questions Exercise 7.1 Class 10 Maths Chapter 7 Coordinate Geometry Students gearing up for the 2022-23 board exams are strongly encouraged to engage in rigorous practice with these crucial Coordinate Geometry questions. This dedicated practice will enhance their chances of…

## NCERT Class 10 Maths Chapter 7 – Coordinate Geometry Exercise 7.1 NCERT Solutions

NCERT Class 10 Maths Chapter 7 – Coordinate Geometry Exercise 7.1 NCERT Solutions The academic team at Neutronclasses has meticulously crafted NCERT solutions for Chapter 7 Exercise 7.1 of Class 10 Mathematics, which focuses on Coordinate Geometry. These solutions comprehensively…

## Environmental Issues, Class 12, Biology, CBSE

Environmental Issues, Class 12, Biology, CBSE 2 Environmental Issues Causes of air pollution The main causes of air pollution are as follows:(a) Exhaust from Automobiles: Most of the automobiles use fossil fuels. Burning of fossil fuel releases carbon dioxide and…

## Class 10, Life Process, Chapter 6, Respiratory System

Class 10, Life Process, Chapter 6, Respiratory System

## Evolution-Notes

1 Theories of Origin of Life and EvolutionTheories of Origin of Life(i) In previous days, people believed that the universe and life on it was an act and result of God’s creation.(ii) There was, however, no evidence to support these…

## Evolution-Formulas

– All formulas of the chapter at one glance. 1 Hardy-Weinberg Equilibrium Hardy-Weinberg principle states that the genetic constitution in a population remains constant if there is no external influence. This statement gives us a formula that is used to solve…

## Evidences from morphology and anatomy

1. Comparative morphology and anatomy of individual organ and organ systems of diverse forms of organisms reveal their phylogenetic relationships and thus provides important evidences of evolution.2. Homology is a relationship defined between structures or DNA derived from a common…

## Stages in Human Evolution

The following are the stages of human evolution: 1. Dryopithecusi) Ancestors of both man and apes. ii) Lived in China, Africa, Europe and India. iii) Predominantly herbivores2. Ramapithecusi) First remains were discovered from the Shivalik range in Punjab and later in Africa and Saudi…

## Hardy-Weinberg principle

1. The Hardy-Weinberg principle states that allele and genotype frequencies in a population will remain constant from generation to generation in the absence of other evolutionary influences.2. The Hardy-Weinberg equation is expressed as:   p2 + 2pq + q2 = 1 where p is…

## Mutation theory of Hugo de Vries

The salient features of mutation theory are as follows:1. Mutations or discontinuous variations are the raw material of evolution.2. Mutations appear all of a sudden. They become operational immediately.3. Unlike Darwin’s continuous variations or fluctuations, mutations do not revolve around…

Adaptive radiation is evolutionary divergence of members of a single phyletic line into a series of rather different niches or adaptive zones.

## Embryological evidence

Comparative study of the embryos of different animals show a great deal of similarity.

## Miller-Urey experiment

Miller-Urey experiment 1. In the 1950’s, biochemists Stanley Miller and Harold Urey, conducted an experiment.2. It demonstrated that several organic compounds could be formed spontaneously by simulating the conditions of Earth’s early atmosphere.3. It was a chemical experiment that simulated the…

## Semi-Conservative Replication of DNA

Semi-Conservative Replication of DNA – Meselson & Stahl’s Experiment Meselson and Stahl demonstrated that DNA replicated semi-conservatively, which means that each strand in a DNA molecule serves as a template for synthesis of a new, complementary strand. Watch this video THE…

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