NEET Biology: Principles of Inheritance and Variation — MCQ Test 7

Q6. Which disorder is caused due to a defect in the dystrophin gene on the X chromosome?

Q7. What is the sex chromosome composition of an individual with Turner’s syndrome?

Q8. Which genetic disorder is caused by an expansion of CAG repeats?

Q9. Which of the following is a correct statement about sex-linked inheritance?

Q10. Which of the following is an incorrect statement about linkage?

NEET Biology — Principles of Inheritance and Variation

Free MCQ Test 7 of 15

15:00

Sign in to save your score and view detailed explanations

Sign In Free
1Question 1 of 10
Medium

Which of the following is an example of polygenic inheritance?

More Sets — Principles of Inheritance and Variation

MCQ Test 110 MCQsMCQ Test 210 MCQsMCQ Test 310 MCQsMCQ Test 410 MCQsMCQ Test 510 MCQsMCQ Test 610 MCQsMCQ Test 710 MCQsMCQ Test 810 MCQsMCQ Test 910 MCQsMCQ Test 1010 MCQsMCQ Test 1110 MCQsMCQ Test 1210 MCQsMCQ Test 1310 MCQsMCQ Test 1410 MCQsMCQ Test 1510 MCQs

Accelerate Your NEET Preparation

Access our comprehensive suite of tools designed to help you master Biology and ace your medical entrance exam.

Question Bank

50,000+ detailed solved MCQs covering every concept.

Practice Tests

Chapter-wise timed mock tests to build speed and accuracy.

NEET PYQs

Previous Year Questions spanning the last 15 years.

AI Analytics

Deep insights into your weak areas and test performance.

Previous Chapter

Plant Kingdom

Next Chapter

Reproductive Health

Explore individual Biology questions →

5,000+ questions with detailed solved answers in our Question Bank

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.

0
Easy
10
Medium
0
Hard

Key concepts covered in this specific test include Following, Polygenic, Inheritance, Statement, Epistasis, and Incorrect.

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 of the following is an example of polygenic inheritance?

  • A. Hemophilia
  • B. Sickle-cell anemia
  • C. Human skin color
  • D. Cystic fibrosis

Q2. Which of the following is a correct statement about epistasis?

  • A. It occurs when one gene influences multiple traits.
  • B. It follows Mendel’s Law of Independent Assortment.
  • C. One gene masks the effect of another gene.
  • D. Epistasis is the same as pleiotropy.

Q3. Which of the following is an incorrect statement about linkage?

  • A. Linked genes are located close together on the same chromosome.
  • B. Genes far apart on a chromosome assort independently.
  • C. Linked genes always segregate independently.
  • D. Crossing over can break the linkage between genes.

Q4. Which of the following statements about genetic mutations is incorrect?

  • A. Frameshift mutations can be caused by insertions or deletions.
  • B. Silent mutations change the amino acid sequence of a protein.
  • C. Missense mutations result in a single amino acid change.
  • D. Nonsense mutations introduce a premature stop codon.

Q5. Which of the following statements about genes and alleles is incorrect?

  • A. A gene is a segment of DNA that codes for a protein.
  • B. Alleles are different versions of the same gene.
  • C. All genes have only two possible alleles.
  • D. Dominant alleles always express their trait in heterozygous individuals.

+ 5 more questions in the actual test

Frequently Asked Questions

Is this practice set completely free?

Yes, all our chapter-wise practice sets are 100% free. You can practice as many times as you want without any hidden charges.

Are these questions relevant for the latest NEET syllabus?

Absolutely. Our content team regularly updates the question bank to strictly align with the latest NTA NEET syllabus and NCERT textbooks.

Can I view the solutions after the test?

Yes, once you submit the test, you will get an instant scorecard along with the correct answers and detailed explanations for every question.

About TopperSquare

TopperSquare is India's most advanced, student-centric learning platform designed specifically for medical and engineering aspirants. Our mission is to democratize high-quality education by providing premium practice materials, deep performance analytics, and structured test series.

Whether you are starting your preparation or giving final touches before the exam day, TopperSquare equips you with the right tools—from chapter-wise tests to full-length mock exams—to help you achieve your dream rank.

More Biology Chapters for NEET

• Anatomy Of Flowering Plants• Animal Kingdom• Biodiversity And Its Conservation• Biological Classification• Biomolecules• Biotechnology And Its Applications• Biotechnology Principles And Processes• Body Fluids And Circulation• Breathing And Exchange Of Gases• Cell Cycle And Cell Division• Cell The Unit Of Life• Chemical Coordination And Integration• Ecosystem• Evolution• Excretory Products And Their Elimination• Human Health And Diseases• Human Reproduction• Locomotion And Movement• Microbes In Human Welfare• Molecular Basis Of Inheritance• Morphology Of Flowering Plants• Neural Control And Coordination• Organisms And Population• Photosynthesis• Plant Growth And Development• Plant Kingdom• Principles Of Inheritance And Variation• Reproductive Health• Respiration In Plants• Sexual Reproduction In Flowering Plants• Structural Organisation In Animals• The Living World

Explore More NEET Subjects

Looking to strengthen other areas of your preparation? Check out our free chapter-wise question banks for all NEET subjects:

NEET biologyNEET chemistryNEET physicsAll NEET Questions

Why 32,000+ students choose TopperSquare

Everything you need to crack NEET

15,000+ Chapter MCQs

Physics, Chemistry, Biology — chapter-wise, topic-wise practice

AI Performance Analytics

Know your weak topics. Get a personalised study plan.

Full NEET Mock Tests

180 questions, timed, with detailed score analysis

PYQ Sets 2010–2024

15 years of past papers with solved explanations

Start Practising Free

No credit card · 30-second signup · Free forever plan included