Bihar Board 12th Topper List 2022
Bihar Board 12th Topper List 2022 – Bihar Board Class 12 result 2022 will be announced online on March 16, 2022, at 3 PM. In a press conference, BSEB Chairman Anand Kishore and State Education...
Bihar Board 12th Compartment Time Table 2022
Bihar Board 12th Compartment Time Table 2022 – Bihar School Examination Board (BSEB) will release the Bihar Board 12th Compartment Time Table online. It is expected that Bihar Board shall release...
Inductive and Mesomeric Effects: Introduction and Types of Electronic Effects
Learning Outcomes After studying this lesson, you shall be able to: Understand inductive effects Introduction You are already familiar with various electronic effects. But to understand the...
Environmental Chemistry: Biogeochemical Cycles of Sulphur Phosphorus, Oxygen YouTube Lecture Handouts
Table of Contents 1. Learning Outcomes 2. Introduction 3. Sulphur cycle 4. Oxygen cycle 5. Phosphorus cycle 6. Bio-distribution of elements 7. Summary Learning Outcomes After studying this lesson,...
Environmental Chemistry: Atmosphere, Troposphere, Stratosphere and Solar Formation
Table of Contents Learning Outcomes Introduction What is ‘Atmosphere’ ? Significance of the Atmosphere Composition of the Atmosphere Evolution of the Atmosphere Primitive or First Atmosphere Reducing...
Electronic Structure: The Distribution of Electrons in an Atom
Learning Outcomes After studying this lesson, you shall be able to: Structure of an Atom Distribution of Electrons in an Atom The Structure of an Atom An atom consists of a tiny dense nucleus...
Basic Chemistry: The Concept of Equilibrium, the Context of Chemistry and Energy
Learning Outcomes After studying this lesson, you shall be able to: Equilibrium Energy Equilibrium Although the concept of equilibrium is widely used across sciences, in the context of chemistry,...
Basic Chemistry: Mole, Lon՚s and Salts, Acidity and Basicity and Arrhenius Theory
Table of Contents Introduction Atoms and Elements Atomic number and atomic mass Periodic Table and Chemical Bonds Isotopes Radioisotopes Periodic Table and Chemical Bonds Electronegativity Chemical...
Basic Chemistry: Covalent, Polar Covalent and Hydrogen Bond
Learning Outcomes After studying this lesson, you shall be able to: Covalent bonds Hydrogen bonds Covalent Bond Covalent bonds involve a complete sharing of electrons and occur most commonly between...
Basic Chemistry: Chemical Reactions, Reaction Mechanism, Redox
Learning Outcomes After studying this lesson, you shall be able to: Reactions Redox reactions Reaction During chemical reactions, bonds between atoms break and form resulting in different substances...
Basic Chemistry: Bronsted-Lowry Definition and Lewis Theory of Acids and Bases
Learning Outcomes After studying this lesson, you shall be able to: Bronsted-Lowry definition Arrhenius concept of acids and bases Lewis theory of acids and bases Bronsted-Lowry Definition The...
Basic Chemistry: Atomic Number and Atomic Mass, Isotopes and Radio Isotopes
Table of Contents Atomic number and atomic mass Periodic Table and Chemical Bonds Isotopes Radioisotopes Learning Outcomes After studying this lesson, you shall be able to: Atomic number and atomic...
Atomic Orbital Diagram Principle: Hund՚s Rule and Energy State of Electron
Learning Outcomes After studying this lesson, you shall be able to: Aufbau principle Pauli Exclusion Principle Hund՚s rule Energy State of Electron When the electrons are in the available orbitals...
Major Tests in Biology
1) Cis Tran test mutation 2) Precipitin test specific antigen 3) Amine test Carcinogens 4) GTT (Glucose tolerance test) Diabetes mellitus 5) Elisa test AIDS 6) Red simpli AIDS 7) Green & red mouse...
Major Similarities in Biology
1) Endostyle of Urochordates Thyroid of man 2) Chloragogen cells of earthworm liver of man 3) Companion cells of phloem albuminous cell of conifers 4) Starch Sheath of sterm is homologous to...
Scientific Terms and Their Definitions
Human growth hormone (produced by the pituitary gland) = Treat dwarfis Monoclonal antibodies = monospecific antibodies that are made by identical immune cells that are all clones of a unique parent...
Major Differences and Meanings
S. No. Differences Meanings 1) Anomers differ in configuration at c-1 (α& β glucose) 2) Epimers differ in configuration at c-2 3) Centrosome centrosphere + Centriole (triplet microtubule) 4)...
Major Days In Biology
# Day Event 1) 28 February National Science Day-1928-CV Raman ⇾ Raman՚s effect 2) 22 April Earth Day-1970 3) 8 May World Red Cross Day-Jean Henri Dunant 4) 5 June World Environment Day-1972-United...
Joints pH Pigments
Joints Immovable/Fibrous/synarthroses Slightly movables/Cartilage/Amphi pathrose. Free movables/synovial/Diathrose Monocot grow in Basal region Dicots grow in apical region PH Blood -7 - 7.5 Saliva...
Connecting Links and Living<br>Fossils in Biology
Connecting Links 1. Living + nonliving virus 2. Protozoa + porifera Proteospongia 3. Plant + animal Euglena 4. Protozoa + Metazoa Xenoturbella + Nemertodema 5. Annelida + Mollusca Neoplina 6....