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Principles of Inheritance and Variation Topic-wise Multiple Choice Questions (MCQs) for NEET | Topic-wise MCQ Tests for NEET PDF Download

In order to be admitted to undergraduate medical programmes, you must pass the NEET, or National Eligibility cum Entrance Test. The 180 questions in NEET-UG are broken down into three sections: Physics (45 questions), Chemistry (45 questions), and Biology (90 questions). It indicates that the Biology portion has a higher weight than the other two areas.
One of the smart techniques to prepare for the NEET biology exam is to know about the topic-wise important questions from each chapter. To highlight this, the experts at EduRev have compiled tests from most important topics of biology Multiple choice questions (MCQs) for your practice. These topic-wise multiple choice questions (MCQs) tests are made precisely from NCERT and some of them have even been asked in previous year NEET papers. 
The below given topic-wise Multiple choice questions (MCQs) tests are from the Principles of Inheritance & Variation chapter of Class 12 biology for your NEET preparation.

  1. Test: Principles of Inheritance & Variation - 1
  2. 31 Years NEET Previous Year Questions: Principles of Inheritance & Variation - 1
  3. 31 Years NEET Previous Year Questions: Heredity And Variation - 2
  4. Test: Mendel’s Laws of Inheritance
  5. Test: Inheritance of One Gene
  6. 31 Years NEET Previous Year Questions: Principles of Inheritance & Variation - 3
  7. Test: Principles of Inheritance & Variation - 2
  8. Test: Inheritance of Two Genes
  9. Test: Sex Determination
  10. Test: Chromosomal Theory of Inheritance
  11. Test: Mutation & Genetic Disorders
  12. Assertion & Reason Test: Principles of Inheritance & Variation - 1
  13. Assertion & Reason Test: Principles of Inheritance & Variation - 2
  14. Case Based Questions Test: Principles of Inheritance & Variation - 1
  15. Case Based Questions Test: Principles of Inheritance & Variation - 2
  16. Test: Inheritance of One Gene (NCERT)
  17. Test: Inheritance of Two Genes (NCERT)
  18. Test: Linkage and Recombination (NCERT)
  19. Test: Sex Determination (NCERT)
  20. Test: Pedigree Analysis (NCERT)

Please note that 10%-20% of the above-mentioned tests are free while others are locked and can be accessed by subscribing to the EduRev Infinity package for NEET.
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The document Principles of Inheritance and Variation Topic-wise Multiple Choice Questions (MCQs) for NEET | Topic-wise MCQ Tests for NEET is a part of the NEET Course Topic-wise MCQ Tests for NEET.
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FAQs on Principles of Inheritance and Variation Topic-wise Multiple Choice Questions (MCQs) for NEET - Topic-wise MCQ Tests for NEET

1. What are the principles of inheritance and variation?
Ans. The principles of inheritance and variation refer to the fundamental concepts that explain how traits are passed from parents to offspring and how variations arise within a population. These principles include Mendel's laws of inheritance, such as the law of segregation and the law of independent assortment, as well as the concept of genetic variation through mechanisms like mutation, recombination, and gene flow.
2. What is the significance of inheritance and variation in the field of biology?
Ans. Inheritance and variation are of great significance in the field of biology as they form the basis of understanding how traits are inherited and how diversity is maintained within a population. These principles provide insight into the genetic basis of traits, the transmission of genetic information, and the mechanisms that lead to variations in organisms. They are crucial for studying genetic disorders, evolution, and population genetics.
3. How do Mendel's laws of inheritance explain the transmission of traits?
Ans. Mendel's laws of inheritance provide a framework to understand how traits are passed from parents to offspring. The law of segregation states that each individual has two alleles for a particular trait, and these alleles separate during gamete formation, with each gamete receiving only one allele. The law of independent assortment states that the inheritance of one trait is independent of the inheritance of other traits, as long as they are on separate chromosomes. These laws explain the patterns of inheritance observed in offspring.
4. What are the sources of genetic variation in populations?
Ans. Genetic variation in populations arises from several sources. Mutation is one of the primary sources, where changes occur in the DNA sequence of genes. Recombination, which happens during meiosis, shuffles genetic material between homologous chromosomes, creating new combinations of alleles. Gene flow occurs when individuals migrate and introduce new alleles into a population. Finally, genetic variation can also arise from genetic drift, the random changes in allele frequencies due to chance events.
5. How does genetic variation contribute to evolution?
Ans. Genetic variation is a driving force of evolution. It provides the raw material for natural selection to act upon, allowing certain traits to become more prevalent in a population over time. Genetic variation increases the chances of survival and reproduction for individuals in changing environments and enables adaptation. It also plays a role in speciation, as populations with different genetic variations may diverge and eventually become separate species.
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