Important Terms Resources: All the useful elements of the environment that satisfy our basic needs are called resources. Natural resources: A natural resource is something that is found in nature and can be used by people for economic gain. Earth's natural resources include light, air, water, plants, animals, soil, stone, minerals, fossil fuels, etc. Man-made resources: … [Read more...] about Geography Chapter 1 Resources and Development – Notes & Study Material
Class 10
History Chapter 1 The Rise of Nationalism in Europe – Notes & Study Material
Important Terms Allegory: When an abstract idea (for instance greed, envy, freedom, liberty, etc.) is expressed through a person or a thing. An allegorical story has two meanings, one literal and one symbolic. Absolutism: It refers to a system of rule that has no restraints on the power exercised. Conservatism: It is a political and social philosophy promoting … [Read more...] about History Chapter 1 The Rise of Nationalism in Europe – Notes & Study Material
Evolution and Classification
Question 1 Define the term analogous organs, vestigial organs and homologous organs? Question 2 Why is artificial selection beneficial? Question 3 Why are acquired characters not inheritable? Question 4 Differentiate between artificial and natural selection? Question 5 How can you explain the existence of analogous organs? Question 6 What is the most reliable … [Read more...] about Evolution and Classification
Evolution and Speciation
Question 1 Define speciation? Explain mechanism of speciation? Question 2 Define evolution? Why are traits acquired during the lifetime of an individual not inherited? Question 3 What is organic evolution and inorganic evolution? Question 4 What is genetic drift? Give its significance in evolution? Question 5 What is variation? Question 6 What are inherited and … [Read more...] about Evolution and Speciation
Origin of Life
Question 1 Explain the Miller and Urey simulation experiment for organic synthesis? Question 2 Name the theories put forward for the origin of life? Question 3 Explain the Cosmozoic or interplanetary theory? Question 4 Explain the Theory of special creation? Question 5 Explain the Abiogenic or naturalistic theory? Origin of Life Fundamental characteristics of … [Read more...] about Origin of Life