Edzy
AI TutorResourcesToolsCompareBuy
SearchDownload AppLogin
Edzy

Edzy for Classes 6-12

Edzy is a personal AI tutor for CBSE and State Board students, with curriculum-aligned guidance, practice, revision, and study plans that adapt to each learner.

  • Email: always@edzy.ai
  • Phone: +91 96256 68472
  • WhatsApp: +91 96256 68472
  • Address: Sector 63, Gurgaon, Haryana

Follow Edzy

Browse by Class

  • CBSE Class 6
  • CBSE Class 7
  • CBSE Class 8
  • CBSE Class 9
  • CBSE Class 10
  • CBSE Class 11
  • CBSE Class 12
Explore the CBSE resource hub

Explore Edzy

  • Study Resources
  • Free Study Tools
  • Best Apps for Board Exams
  • Edzy vs ChatGPT
  • About Us
  • Why We Built Edzy
  • Blog
  • CBSE AI Tutor

Support & Legal

  • Help & FAQs
  • Accessibility
  • Privacy Policy
  • Terms & Conditions
  • Refund Policy
  • Cookie Policy
  • Site Directory

© 2026 Edzy. All rights reserved.

Curriculum-aligned learning paths for students in Classes 6-12.

CBSE
Class 10
Science
Science
Heredity

Question Bank

Practice Hub

Question Bank: Heredity

This chapter explains the concept of heredity and how traits are passed from parents to offspring, highlighting the importance of genetic variation.

Structured practice
Question Practice

Practice chapter questions in a cleaner, exam-ready flow

Start with curated question sets, move into full module views when needed, and keep discovering related practice without losing your place in the chapter.

Question Bank - Heredity

View all (141)
Q1.

What is heredity?

Single Answer MCQ
Q-00001628
View explanation
Q2.

Explain the concept of inheritance of traits.

Single Answer MCQ
Q-00001629
View explanation
Q3.

How are genes related to heredity?

Single Answer MCQ
Q-00001630
View explanation
Q4.

Describe Mendel's contributions to the study of heredity.

Single Answer MCQ
Q-00001631
View explanation
Q5.

What are dominant and recessive traits?

Single Answer MCQ
Q-00001632
View explanation
Q6.

How does Mendel's experiment with pea plants demonstrate the inheritance of traits?

Single Answer MCQ
Q-00001633
View explanation
Q7.

What is the significance of Mendel's experiments in understanding heredity?

Single Answer MCQ
Q-00001634
View explanation
Q8.

How do parents contribute to the genetic material of their child?

Single Answer MCQ
Q-00001635
View explanation
Q9.

Explain the rule of inheritance of traits in human beings.

Single Answer MCQ
Q-00001636
View explanation
Q10.

What is the difference between free and attached earlobes?

Single Answer MCQ
Q-00001637
View explanation
Q11.

How can the inheritance of earlobe types be correlated with parents' earlobe types?

Single Answer MCQ
Q-00001638
View explanation
Q12.

How does the environment influence the selection of genetic variants?

Single Answer MCQ
Q-00001639
View explanation
Q13.

What is the role of genetic factors in determining traits?

Single Answer MCQ
Q-00001640
View explanation
Q14.

How does the concept of heredity relate to evolutionary processes?

Single Answer MCQ
Q-00001641
View explanation
Q15.

Discuss the importance of genetic variation in heredity.

Single Answer MCQ
Q-00001642
View explanation
Q16.

How does Mendel's theory of inheritance explain the expression of traits in offspring?

Single Answer MCQ
Q-00001643
View explanation
Q17.

What are the different visible characters of garden peas that Mendel studied?

Single Answer MCQ
Q-00001644
View explanation
Q18.

How did Mendel determine the pattern of inheritance in pea plants?

Single Answer MCQ
Q-00001645
View explanation
Q19.

Explain the difference between the F1 and F2 generations in Mendel's experiments.

Single Answer MCQ
Q-00001646
View explanation
Q20.

How did Mendel's knowledge of science and mathematics help him in studying heredity?

Single Answer MCQ
Q-00001647
View explanation
Q21.

What is the significance of keeping count of individuals exhibiting a particular trait in each generation?

Single Answer MCQ
Q-00001648
View explanation
Q22.

How does Mendel's experiment with pea plants demonstrate the laws of inheritance?

Single Answer MCQ
Q-00001649
View explanation
Q23.

What is the ratio of dominant and recessive traits in the F2 generation according to Mendel's experiments?

Single Answer MCQ
Q-00001650
View explanation
Q24.

How do dominant and recessive traits influence the expression of traits in offspring?

Single Answer MCQ
Q-00001651
View explanation
Q25.

Discuss the inheritance of traits over two generations as shown in Figure 8.3.

Single Answer MCQ
Q-00001652
View explanation
Q26.

What is heredity?

Single Answer MCQ
Q-00001889
View explanation
Q27.

Explain the concept of inheritance of traits.

Single Answer MCQ
Q-00001890
View explanation
Q28.

How are genes related to heredity?

Single Answer MCQ
Q-00001891
View explanation
Q29.

Describe Mendel's contributions to the study of heredity.

Single Answer MCQ
Q-00001892
View explanation
Q30.

What are dominant and recessive traits?

Single Answer MCQ
Q-00001893
View explanation
Q31.

How do dominant and recessive traits influence the expression of traits in offspring?

Single Answer MCQ
Q-00001894
View explanation
Q32.

Explain the difference between genotype and phenotype.

Single Answer MCQ
Q-00001895
View explanation
Q33.

How does the environment influence the expression of inherited traits?

Single Answer MCQ
Q-00001896
View explanation
Q34.

What is the significance of Mendel's experiments with garden peas?

Single Answer MCQ
Q-00001897
View explanation
Q35.

How did Mendel determine the inheritance patterns of traits in garden peas?

Single Answer MCQ
Q-00001898
View explanation
Q36.

Describe the process of self-pollination in plants.

Single Answer MCQ
Q-00001899
View explanation
Q37.

How does the presence of two copies of genes influence the inheritance of traits?

Single Answer MCQ
Q-00001900
View explanation
Q38.

What is the role of DNA in the inheritance of traits?

Single Answer MCQ
Q-00001901
View explanation
Q39.

How do parents contribute to the genetic makeup of their offspring?

Single Answer MCQ
Q-00001902
View explanation
Q40.

Explain the concept of free and attached earlobes as an example of inherited traits.

Single Answer MCQ
Q-00001903
View explanation
Q41.

How can the inheritance of earlobe types be used to suggest possible rules for inheritance of traits?

Single Answer MCQ
Q-00001904
View explanation
Q42.

Discuss the importance of studying heredity in understanding evolution.

Single Answer MCQ
Q-00001905
View explanation
Q43.

How do variations in traits contribute to the survival of species?

Single Answer MCQ
Q-00001906
View explanation
Q44.

What are some examples of inherited traits in humans?

Single Answer MCQ
Q-00001907
View explanation
Q45.

How can the study of heredity help in predicting the likelihood of certain traits in offspring?

Single Answer MCQ
Q-00001908
View explanation
Q46.

What are some factors that can influence the expression of inherited traits?

Single Answer MCQ
Q-00001909
View explanation
Q47.

How do Mendel's laws of inheritance apply to human genetics?

Single Answer MCQ
Q-00001910
View explanation
Q48.

Explain the significance of Mendel's experiments in understanding heredity.

Single Answer MCQ
Q-00001911
View explanation
Q49.

How can the study of heredity help in breeding programs for plants and animals?

Single Answer MCQ
Q-00001912
View explanation
Q50.

Discuss the ethical implications of genetic testing and manipulation in the context of heredity.

Single Answer MCQ
Q-00001913
View explanation
Q51.

What is the main result of sexual reproduction compared to asexual reproduction?

Single Answer MCQ
Q-00019360
View explanation
Q52.

Which of the following processes introduces variations among individuals in populations?

Single Answer MCQ
Q-00019361
View explanation
Q53.

In a population where variation exists, which trait is likely to persist over generations?

Single Answer MCQ
Q-00019362
View explanation
Q54.

Which term describes the genetic information inherited from both parents?

Single Answer MCQ
Q-00019363
View explanation
Q55.

What effect does a high mutation rate have on a species' variation?

Single Answer MCQ
Q-00019364
View explanation
Q56.

How do environmental factors influence the survival of variations in a population?

Single Answer MCQ
Q-00019365
View explanation
Q57.

What role did Mendel's experiments play in understanding inheritance?

Single Answer MCQ
Q-00019366
View explanation
Q58.

Which of the following increases genetic diversity the most in a population?

Single Answer MCQ
Q-00019367
View explanation
Q59.

What would result from a population with very low genetic variation?

Single Answer MCQ
Q-00019368
View explanation
Q60.

Which of the following is a common misconception about genetic variation?

Single Answer MCQ
Q-00019369
View explanation
Q61.

What is an example of a trait that can have multiple variations in a population?

Single Answer MCQ
Q-00019370
View explanation
Q62.

Which reproductive strategy is less likely to promote genetic diversity?

Single Answer MCQ
Q-00019371
View explanation
Q63.

What is the significance of variations within a population for evolution?

Single Answer MCQ
Q-00019372
View explanation
Q64.

In terms of genetic diversity, what advantage does sexual reproduction have over asexual reproduction?

Single Answer MCQ
Q-00019373
View explanation
Q65.

What type of trait is determined by multiple genes rather than a single gene?

Single Answer MCQ
Q-00019374
View explanation
Q66.

What is the primary source of genetic variation in sexual reproduction?

Single Answer MCQ
Q-00019404
View explanation
Q67.

Which of Mendel's laws states that alleles segregate independently during gamete formation?

Single Answer MCQ
Q-00019405
View explanation
Q68.

In pea plants, round seeds (R) are dominant over wrinkled seeds (r). What would be the expected phenotypic ratio of the offspring from a cross between a heterozygous round seed plant and a homozygous wrinkled seed plant?

Single Answer MCQ
Q-00019406
View explanation
Q69.

If a person has blood type O, what are the possible genotypes of their parents?

Single Answer MCQ
Q-00019407
View explanation
Q70.

Which of the following statements best describes a dominant trait?

Single Answer MCQ
Q-00019408
View explanation
Q71.

What kind of genetic trait is an example of incomplete dominance?

Single Answer MCQ
Q-00019409
View explanation
Q72.

Which of the following best explains the role of mutations in heredity?

Single Answer MCQ
Q-00019410
View explanation
Q73.

If a tall plant (TT) is crossed with a short plant (tt), what will be the genotype of the F1 offspring?

Single Answer MCQ
Q-00019411
View explanation
Q74.

How is sex determined in human beings?

Single Answer MCQ
Q-00019412
View explanation
Q75.

If a characteristic is controlled by a single gene with two alleles, what are the only possible genotypes?

Single Answer MCQ
Q-00019413
View explanation
Q76.

Which type of inheritance describes a trait that is influenced by multiple genes?

Single Answer MCQ
Q-00019414
View explanation
Q77.

What is the expected outcome if two heterozygous tall pea plants (Tt) are crossed?

Single Answer MCQ
Q-00019415
View explanation
Q78.

If a trait is recessive, when will it be expressed in the phenotype?

Single Answer MCQ
Q-00019416
View explanation
Q79.

What type of trait is determined by the interaction of genes and environment?

Single Answer MCQ
Q-00019417
View explanation
Q80.

What is the primary factor that Mendel determined was responsible for the inheritance of traits in pea plants?

Single Answer MCQ
Q-00019418
View explanation
Q81.

Which type of traits did Mendel observe in his pea plant experiments that always showed dominance over others?

Single Answer MCQ
Q-00019419
View explanation
Q82.

In Mendel's experiments, the F2 generation from a monohybrid cross displayed what ratio of dominant to recessive traits?

Single Answer MCQ
Q-00019420
View explanation
Q83.

How do variations within a population benefit a species in terms of survival?

Single Answer MCQ
Q-00019421
View explanation
Q84.

If a trait has a frequency of 10% in a population, what can we infer about this trait compared to a trait with a frequency of 60%?

Single Answer MCQ
Q-00019422
View explanation
Q85.

What is the expected phenotypic ratio from the F2 generation of a dihybrid cross according to Mendelian principles?

Single Answer MCQ
Q-00019423
View explanation
Q86.

Mendel's laws are based on which type of organism?

Single Answer MCQ
Q-00019424
View explanation
Q87.

What do we call traits that require two recessive alleles to be expressed?

Single Answer MCQ
Q-00019425
View explanation
Q88.

If a plant's genotype is Tt, what phenotype would be expressed?

Single Answer MCQ
Q-00019427
View explanation
Q89.

Which of the following is NOT a component of Mendel's law of segregation?

Single Answer MCQ
Q-00019429
View explanation
Q90.

What term describes the genetic makeup of an organism?

Single Answer MCQ
Q-00019431
View explanation
Q91.

In Mendelian genetics, traits that are shown equally in the phenotype of both homozygous genotypes are known as what?

Single Answer MCQ
Q-00019433
View explanation
Q92.

Which inheritance pattern does NOT produce a 1:2:1 ratio in the F2 generation?

Single Answer MCQ
Q-00019435
View explanation
Q93.

When analyzing traits in a Punnett square, what does each box represent?

Single Answer MCQ
Q-00019437
View explanation
Q94.

What role does environmental influence play in the expression of genetic traits?

Single Answer MCQ
Q-00019439
View explanation
Q95.

What is the primary source of variation in sexually reproducing organisms?

Single Answer MCQ
Q-00040176
View explanation
Q96.

In asexually reproducing organisms, variations mainly arise due to:

Single Answer MCQ
Q-00040177
View explanation
Q97.

Which type of reproduction typically leads to greater genetic variation in a population?

Single Answer MCQ
Q-00040178
View explanation
Q98.

Why are traits that are advantageous more likely to persist in a population?

Single Answer MCQ
Q-00040179
View explanation
Q99.

When offspring inherit traits from both parents, this process is referred to as:

Single Answer MCQ
Q-00040180
View explanation
Q100.

How does sexual reproduction contribute to evolution?

Single Answer MCQ
Q-00040181
View explanation
Q101.

Which term describes the mixing of genetic material during sexual reproduction?

Single Answer MCQ
Q-00040182
View explanation
Q102.

In genetic terms, what does variation refer to?

Single Answer MCQ
Q-00040183
View explanation
Q103.

Which process increases genetic variation through the reshuffling of alleles?

Single Answer MCQ
Q-00040184
View explanation
Q104.

Which is an example of a trait that can show variation within a population?

Single Answer MCQ
Q-00040185
View explanation
Q105.

What role do mutations play in variation?

Single Answer MCQ
Q-00040186
View explanation
Q106.

What type of selection favors extreme phenotypes over intermediate phenotypes?

Single Answer MCQ
Q-00040187
View explanation
Q107.

How does the environment impact the survival of variations in a species?

Single Answer MCQ
Q-00040188
View explanation
Q108.

What is a possible effect of inbreeding on a population's variation?

Single Answer MCQ
Q-00040189
View explanation
Q109.

What process determines which traits are passed on in a population?

Single Answer MCQ
Q-00040190
View explanation
Q110.

Why do species that reproduce sexually tend to have more diverse traits?

Single Answer MCQ
Q-00040191
View explanation
Q111.

What is the basic unit of heredity that carries genetic information?

Single Answer MCQ
Q-00040235
View explanation
Q112.

In Mendel's experiments, what was the phenotype of the F1 generation when true-breeding tall plants were crossed with true-breeding short plants?

Single Answer MCQ
Q-00040236
View explanation
Q113.

What is meant by a dominant trait?

Single Answer MCQ
Q-00040237
View explanation
Q114.

Which of the following represents a homozygous recessive genotype?

Single Answer MCQ
Q-00040238
View explanation
Q115.

When a tall plant (Tt) is crossed with a short plant (tt), what is the expected phenotypic ratio in the offspring?

Single Answer MCQ
Q-00040239
View explanation
Q116.

How do Mendel's laws of inheritance apply to independent assortment?

Single Answer MCQ
Q-00040240
View explanation
Q117.

In humans, what determines the sex of the child?

Single Answer MCQ
Q-00040241
View explanation
Q118.

What genotype is responsible for a person with blood type O?

Single Answer MCQ
Q-00040242
View explanation
Q119.

What term describes the observable characteristics of an organism?

Single Answer MCQ
Q-00040243
View explanation
Q120.

Which of the following statements best describes mutations?

Single Answer MCQ
Q-00040244
View explanation
Q121.

What is a phenotype ratio expected from a dihybrid cross of heterozygous parents (TtYy x TtYy) in the F2 generation?

Single Answer MCQ
Q-00040245
View explanation
Q122.

How does asexual reproduction influence genetic variation?

Single Answer MCQ
Q-00040246
View explanation
Q123.

What role do alleles play in determining traits?

Single Answer MCQ
Q-00040247
View explanation
Q124.

In a pedigree chart, what does a filled circle or square represent?

Single Answer MCQ
Q-00040248
View explanation
Q125.

If a mutation occurs in a germ cell, what can be its consequence?

Single Answer MCQ
Q-00040249
View explanation
Q126.

In humans, which blood type is considered a universal donor?

Single Answer MCQ
Q-00040250
View explanation
Q127.

What is a dominant trait?

Single Answer MCQ
Q-00040267
View explanation
Q128.

In Mendel's pea experiments, what was observed in the F1 generation?

Single Answer MCQ
Q-00040268
View explanation
Q129.

What does the term 'recessive trait' signify?

Single Answer MCQ
Q-00040269
View explanation
Q130.

How can variations in a population promote survival?

Single Answer MCQ
Q-00040270
View explanation
Q131.

Which generation in Mendel's experiments displayed a 3:1 ratio?

Single Answer MCQ
Q-00040271
View explanation
Q132.

What role do genes play in heredity?

Single Answer MCQ
Q-00040272
View explanation
Q133.

If trait A occurs in 10% of a population and trait B in 60%, which trait is likely older?

Single Answer MCQ
Q-00040273
View explanation
Q134.

What is the phenotype of an individual?

Single Answer MCQ
Q-00040274
View explanation
Q135.

What can be concluded if a trait is found in a 1:2:1 ratio in F2 generation?

Single Answer MCQ
Q-00040275
View explanation
Q136.

Which of the following statements about genes is true?

Single Answer MCQ
Q-00040276
View explanation
Q137.

What did Mendel's experiments primarily focus on?

Single Answer MCQ
Q-00040277
View explanation
Q138.

What is the significance of genetic variation in evolution?

Single Answer MCQ
Q-00040278
View explanation
Q139.

Which term refers to the genetic makeup of an individual?

Single Answer MCQ
Q-00040279
View explanation
Q140.

What is a trait that is expressed when at least one dominant allele is present called?

Single Answer MCQ
Q-00040280
View explanation
Q141.

Why might an organism with a harmful trait still survive in a population?

Single Answer MCQ
Q-00040281
View explanation
Learn Better On The App
Built for collaborative learning

Study With Friends

Join classmates, challenge them in duels, and make practice more engaging.

Quick duels
Shared momentum

Faster access to practice, revision, and daily study flow.

Edzy mobile app preview