NEET Biology: Principles of Inheritance and Variation — MCQ Test 3

Q6. Which type of inheritance is observed when a single gene influences multiple traits?

Q7. Which of the following laws was proposed by Gregor Mendel based on his pea plant experiments?

Q8. Which of the following best describes polygenic inheritance?

Q9. Who proposed the Chromosomal Theory of Inheritance?

Q10. What is the probability of a female child being born in humans?

NEET Biology — Principles of Inheritance and Variation

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Which concept explains the inheritance of two genes located on different chromosomes?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Biology preparation, focusing specifically on the chapter Principles of Inheritance and Variation. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Explains, Inheritance, Different, Chromosomes, Following, and Statements.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. Which concept explains the inheritance of two genes located on different chromosomes?

  • A. Linkage
  • B. Law of Independent Assortment
  • C. Pleiotropy
  • D. Epistasis

Q2. Which of the following statements about genetic disorders is correct?

  • A. Down’s syndrome is caused by trisomy of chromosome 18.
  • B. Sickle-cell anemia is caused by a mutation in the β-globin gene.
  • C. Klinefelter’s syndrome is caused by monosomy of the Y chromosome.
  • D. Hemophilia is an autosomal dominant disorder.

Q3. Which of the following statements about Turner’s syndrome is correct?

  • A. It is caused by trisomy of chromosome 21.
  • B. Individuals have a 47, XXY chromosome composition.
  • C. Affected individuals have only one X chromosome (45, XO).
  • D. It affects only males.

Q4. Which of the following statements about the Law of Segregation is incorrect?

  • A. It states that allele pairs separate during gamete formation.
  • B. It explains why recessive traits can reappear in later generations.
  • C. It applies only to genes on the same chromosome.
  • D. It is one of Mendel’s fundamental principles of inheritance.

Q5. Which scientist developed the Punnett square to predict genetic crosses?

  • A. Gregor Mendel
  • B. Reginald C. Punnett
  • C. Thomas Hunt Morgan
  • D. Walter Sutton

+ 5 more questions in the actual test

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