Class 12 biology Principles of Inheritance and Variation Free test quiz

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Attempt Principles of Inheritance and Variation Free test quiz

Time: 10 Minutes for 10 Question.

12th Biology: Principles of Inheritance and Variation

1 / 10

1. Which of the following will not result in variations among siblings?

Linkage

Mutation

Independent assortment of genes

Crossing over

2 / 10

2. Segregation of Mendelian factors (no linkage, no crossing over) occurs during

anaphase-I

anaphase-II

diplotene

metaphase-I

3 / 10

3. Two crosses between the same pair of genotypes or phenotypes in which the sources of the gametes are reversed in one cross, is known as

dihybrid cross

reverse cross

test cross

reciprocal cross

4 / 10

4. The process of mating between closely related individuals is

self breeding

inbreeding

hybridization

heterosis

5 / 10

5. When a single gene influences more than one traits it is called

pleiotropy

epistasis

pseudodominance

None of these

6 / 10

6. Person having genotype IA IB would show the blood group as AB. This is because of

Co-dominance

Pleiotropy

Segregation

Incomplete dominance

7 / 10

7. The person with Turner’s syndrome has

45 autosomes and X sex chromosome

44 autosomes and XYY sex chromosomes

45 autosomes and XYY sex chromosomes

44 autosomes and X sex chromosome

8 / 10

8. Sickel-cell anaemia is an example of

sex-linked inheritance.

deficiency disease.

autosomal heritable disease.

infectious disease.

9 / 10

9. The inheritance pattern of a gene over generations among humans is studied by the pedigree analysis. Character studied in the pedigree analysis is equivalent to:

Mendelian trait

polygenic trait

maternal trait

quantitative trait

10 / 10

10. How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments?

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FAQ of chapter wise biology mcq quiz

Q1: What topics are covered in the u0022Principles of Inheritance and Variationu0022 chapter of Class 12 Biology?

Answer: The u0022Principles of Inheritance and Variationu0022 chapter in Class 12 Biology covers topics related to genetics, heredity, and the mechanisms of inheritance in living organisms. It explores how traits are passed from one generation to another and the variation that occurs within populations.

Q2: How will the free test quiz benefit me in preparing for my Class 12 Biology exam?

Answer: The free test quiz on u0022Principles of Inheritance and Variationu0022 offers a valuable opportunity to assess your understanding of the chapter’s concepts and improve your knowledge. By taking the quiz, you can identify weak areas, strengthen your grasp on important topics, and enhance your overall exam preparation.

Q3: Is the quiz designed to match the format of the Class 12 Biology exam?

Answer: Yes, the quiz is carefully crafted to align with the format and difficulty level of the Class 12 Biology exam. It includes multiple-choice questions, short answer questions, and other question types commonly found in the actual examination, providing you with a realistic test-taking experience.

Q4: Can I take the free test quiz multiple times to track my progress?

Answer: Absolutely! You can take the free test quiz on u0022Principles of Inheritance and Variationu0022 as many times as you like. Repeated attempts will help reinforce your understanding of the subject and monitor your progress over time.

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I’m a dedicated biology teacher specializing in online education and academic writing. Currently, I contribute to QuizRanker.org, where I create engaging and informative biology content. With an MSc degree in hand, I’m passionate about making complex biological concepts accessible and exciting for students everywhere.