Preparing for the JKBOSE Class 12 Biology examination can be challenging due to the vast syllabus. Many students are unsure which topics deserve more attention during revision.
One of the smartest preparation strategies is analyzing previous year question papers. This article lists the top 10 most repeated questions in JKBOSE 12th Biology, based on papers from the last five to seven years.
Why Previous Year Questions Are Important
Previous year questions help students understand the exam pattern and marking scheme. They also highlight chapters that JKBOSE considers important.
Many Biology questions are repeated every year with slight changes. Preparing these topics thoroughly can help students score better with less stress.
Top 10 Most Repeated Questions in JKBOSE 12th Biology
1. What is DNA Fingerprinting? Explain Its Principle and Applications
DNA fingerprinting is one of the most frequently asked questions in long-answer sections. Students are often asked to define the technique and explain its principle.
Applications such as forensic science and paternity testing are commonly included.
2. What Is the Human Genome Project? State Its Goals and Significance
The Human Genome Project appears repeatedly in both short and long questions. Focus is usually on its aims and importance.
This topic is important for understanding modern genetics and disease research.
3. Explain Sex Determination in Humans (or Birds or Honeybees)
Sex determination is a high-scoring topic. Questions may involve humans, birds, or honeybees.
Clear explanation of chromosomal patterns and neat diagrams are essential.
4. Describe Assisted Reproductive Techniques (IVF, GIFT, ZIFT)
Assisted reproductive techniques are commonly asked in 5-mark questions. Students may be asked to explain any two methods.
This topic connects Biology with real-life medical science.
5. State and Explain Mendel’s Laws of Inheritance
Mendel’s laws are among the most repeated questions in Genetics. The Law of Segregation and Law of Independent Assortment are especially important.
Practice genetic crosses and diagrams for better scoring.
6. What Is the Hardy–Weinberg Principle?
This question appears frequently in short and long-answer formats. Students are expected to state the principle clearly.
Factors affecting genetic equilibrium are often asked.
7. Explain Ecosystem and Ecological Pyramids
Questions related to ecosystems and ecological pyramids appear regularly in exams.
A common question is why the pyramid of energy is always upright.
8. Explain Reproductive Health and Methods of Contraception
Reproductive health is a repeated topic in JKBOSE Biology papers. Questions may include contraceptive methods and their advantages.
Sometimes this topic is linked with medical termination of pregnancy.
9. What Is Biodiversity? Explain Its Conservation
Biodiversity and its conservation appear almost every year. In-situ and ex-situ conservation are common short-note questions.
This topic is easy to score with proper definitions.
10. Explain Turner’s Syndrome and Klinefelter’s Syndrome
These genetic disorders are frequently asked in short-answer questions.
Focus on chromosomal composition, causes, and key symptoms.
How to Use This List for Exam Preparation
Start your revision with these repeated questions. Write answers in your own words using proper headings and diagrams.
After mastering these topics, revise the remaining syllabus for complete preparation.
Final Words
JKBOSE Biology follows a clear and predictable pattern. Smart preparation using previous year questions can make a big difference.
Regular revision of these topics will help students feel confident and perform better in the final examination.
