Physics Board Papers 2019 | Class XII

CBSE Board paper-1 CBSE Board paper-2 CBSE Board paper-3 CBSE Board paper-4 CBSE Board paper-5 CBSE Board paper-6 CBSE Board…


Continue Reading →

Evolution | Theories of Biological Evolution | Class XII

1. Theory of Inheritance of Acquired Character-By Lamarck (French naturalist) – 1809 Book- Philosophic Zoologique It states that evolution of…

Continue Reading →

General Characteristics of transition elements | Class XII

a. Metallic character: All transition elements are metallic in nature, i.e. they have strong metallic bonds. This is because of…

Continue Reading →