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Principles of Inheritance and Variations, Molecular Basis of Inheritance and Evolution MCQ

This post contains the MCQ for the three chapters Principles of Inheritance and Variations, Molecular Basis of Inheritance and Evolution in Class 12 Biology Multiple Choice Questions a. I and III are correctb. I and IV are correctc. II and III are correctd. II and IV are correct Answersheet

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RNA World

Ribonucleic acid was the first genetic material. The 2′-OH of nucleotide is a reactive group that makes RNA catalytic. It is evident that essential life processes such as metabolism, translation, splicing, etc. have evolved around RNA even before DNA has evolved as a genetic material. Structure of Ribonucleotide chain: In RNA also each nucleotide has


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Sample Paper for Class 10 Board examination by CBSE( Updated for 2025)

CBSE has released Sample Paper for the Class 10 Board examination 2025. These are very useful for Board examinations. Please do read and solve them and be well prepared for the examination. Science Download the Science Sample Paper Download Marking Scheme for class 10 Science Sample Paper Mathematics(Standard) Download the Maths(Standard) Sample Paper Download the

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Tips for Excelling in CBSE Board Exams

Examination time is intense, with many students dedicating themselves to round-the-clock study sessions to achieve high scores and move up to the next class. While it’s crucial to put in the effort, it’s equally important to manage exam-related stress effectively. Remember, it’s just an exam at the end of the day! Here are some practical


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15 Game-Changing Study Motivation Hacks for Students

Are you struggling to find the motivation to study? Don’t worry – you’re not alone! Let’s explore some proven strategies that can transform your study sessions from dreadful to productive and even enjoyable. Setting the Stage for Success Before diving into your studies, it’s crucial to create the right environment. Start by decluttering your workspace

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Straight Lines Short Notes & Formula for JEE Main and Advanced

Distance Formula For two points \( P(x_1, y_1) \) and \( Q(x_2, y_2) \) in the Cartesian plane, the distance between them is given by: \[D = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2}\] Section Formula For two points \( A(x_1, y_1) \) and \( B(x_2, y_2) \), the coordinates ( (x, y) ) of a point ( P


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