Month: July 2020

Classification of Soils in India

Classification of Soils in India: Important Facts Soil is the uppermost layer of the earth’s crust capable of supporting life. Soil is the most important renewable natural resource. The major factors affecting the formation of soil are relief, parent material, climate, vegetation, and other life-forms and time. Besides these, human activities also influence it to

Volcanoes and Rocks:

Volcanoes and Rocks: Important Facts Volcano: A small opening in the Earth’s surface from where lava, ash, dust, rock fragments, and other pyroclastics (very hot) material is ejected up to 1000 m in the sky. On the other hand, volcanism is the process through which magma and other pyroclastics material move from the heated interior

Plant and Animal Cell

Plant and Animal Cell: Important Points Cell was discovered by Robert Hooke in 1665. Cell is a structural and functional unit of living beings which consists of a membrane covered mass of protoplasm. Unicellular Organisms– Also called as acellular organisms. The body of the organism is made of a single cell. Example- Amoeba, Chlamydomonas, Paramecium,

NDA Exam Syllabus

NDA Exam Syllabus For 2020 Exam PAPER-I MATHEMATICS (Maximum Marks-300) ALGEBRA:Concept of set, operations on sets, Venn diagrams. De Morgan laws, Cartesian product, relation, equivalence relation.Representation of real numbers on a line. Complex numbers—basic properties, modulus, argument, cube roots of unity. Binary system of numbers. Conversion of a number in decimal system to binary system

Renewable and Non-Renewable Energy Sources

Energy Sources- Important Facts: Energy is required for all activities. It is needed to cook, to provide light and heat, to propel vehicles, and to drive machinery in industries. Energy sources can be classified as renewable and non-renewable resources. Renewable Resources: Also called a non-conventional source of energy. Renewable resources can be generated continuously in

Indian Agriculture

Agriculture is the process of producing food for people, fodder for cattle, fiber and many other desired products by the cultivation of certain plants and the raising of domesticated animals (livestock). India is an agriculturally important country. Two-thirds of its population is engaged in agricultural activities. It is a primary activity. Types of Farming: Primitive