Chapter 14. Atomic Structure
Modern Atomic TheoryAccording to this theory, ‘atom is made up of three fundamental particles called electrons, protons and neutrons.’ Discovery …
GS-MGB-L2E
Chapter 15. Carbon and Its Compound
CarbonIt is a member of group 14 in the Periodic Table, with symbol C and atomic number 6. It has …
Chapter 16. Energy Resources
Natural ResourcesThese resources are obtained by nature like air, water, mineral, sunlight, etc. These are of two types Renewable Natural …
Chapter 17. Living Organisms
Introduction• Biology is a natural science concerned with the study of life and living organisms, i.e., plants and animals. It …
Chapter 18. Origin of Life
• Life originated on Earth about 3.5 billion years ago. Some philosophical theories like special creation, spontaneous generation, Biogenesis, panspermia …
Chapter 19. Systems of Human Body
Integumentary SystemThe human skin (integumentary) is composed of a minimum of three major layers of tissue, the epidermis, dermis and …
Chapter 20. Health and Diseases
Health is the functional or metabolic efficiency of a living being. In human, it is the general condition of a …
Chapter 21. Plant Biology
• It is the branch of biology which deals with plants, which are considered as multicellular ulcerates. The cells of …
Chapter 22. Agriculture
• Agriculture is derived from Latin words Ager and Cultura. Ager means land or field and Cultura means cultivation. Therefore, …
Chapter 23. Animal Husbandry
The rearing of animals for specific purposes is called domestication and such animals are called domestic animals. Domestication of animals …