PSEB-XII SERIES Biology
Mendelian Disorders
1 previous year questions.
Volume: 1 Ques
Yield: Medium
High-Yield Trend
1
2025 Chapter Questions 1 MCQs
01
PYQ 2025
medium
biology ID: pseb-xii
Main cause of Klinefelter's syndrome is:
1
Presence of an additional copy of X-chromosome
2
Absence of one of the X chromosomes
3
Presence of an additional copy of Y-chromosome
4
Presence of an extra autosome
About Mendelian Disorders - PSEB-XII
Mendelian Disorders is a vital chapter for PSEB-XII aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Mendelian Disorders PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Mendelian Disorders carry the most weight. Then, tackle the questions iteratively to solidify your understanding.