Shivangi Srivastava
NDA & CDS 1 2026 Exam Chemistry –MCQ Class 5
Introduction Redox reactions (Reduction–Oxidation reactions) are one of the most important concepts in chemistry and frequently appear in competitive exams…
NDA & CDS 1 2026 Exam Chemistry –MCQ Class 4
Introduction Chemistry plays an important role in the General Science section of competitive defence examinations such as the National Defence…
NDA & CDS 1 2026 Exam Chemistry –MCQ Class 3
Introduction Chemistry is the branch of science that studies matter, its composition, properties, and the changes it undergoes. Everything around…
NDA & CDS 1 2026 Exam Chemistry –MCQ Class 2
1. Introduction to Hydrocarbons Hydrocarbons are one of the most important classes of organic compounds, consisting only of two elements:…
NDA & CDS 1 2026 Exam Chemistry –MCQ Class 1
Introduction to Atomic Structure Atomic Structure is one of the most fundamental topics in chemistry and forms the base for…
NDA & CDS 1 2026 Exam Biology –MCQ Class 8
Introduction Reproduction is one of the most important characteristics of living organisms. It is the biological process by which organisms…