Heredity Class 10 Science MCQ Quiz – Test Your Knowledge

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Are you preparing for your CBSE Class 10 Science exam? Boost your understanding of Heredity with this engaging MCQ quiz. This chapter covers inheritance of traits, Mendel’s laws, sex determination, and variations—key topics for board exams.

About the Quiz

  • Chapter Name: Heredity
  • Subject: Science (Biology)
  • Book: NCERT Class 10 Science
  • Question Type: Multiple Choice Questions (MCQs)
  • Leaderboard: Yes (Compete with Others!)

Why Take This Quiz?

✔ Helps in quick revision for board exams
✔ Covers important NCERT-based questions
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Click Below to Start the Quiz!

Chapter 8 - Heredity

1 / 15

  • Assertion (A): Height in pea plants is controlled by the efficiency of enzymes and is thus genetically controlled.
  • Reason (R): Cellular DNA is the information source for making proteins in the cell.

2 / 15

A recessive homozygote is crossed with a heterozygote of the same gene. What will be the phenotype of the F1 generation?

3 / 15

Two pea plants one with round green seeds (RRyy) and another with wrinkled yellow (rrYY) seeds produce F1 progeny that have round, yellow (RrYy) seeds. When F1 plants are selfed, the F2 progeny will have a new combination of characters. Choose the new combination from the following.

  1. Round, yellow
  2. Round, green
  3. Wrinkled, yellow
  4. Wrinkled, green

4 / 15

Two pink-colored flowers on crossing resulted in 1 red, 2 pink, and 1 white flower progeny. The nature of the cross will be

5 / 15

  • Assertion (A): Offsprings produced by sexual reproduction show variation.
  • Reason (R): Each offspring produced by sexual reproduction inherits all the genes from each parent.

6 / 15

  • Assertion: The probability of survival of an organism produced through sexual reproduction is more than that of an organism produced through asexual mode.
  • Reason: Variations provide advantages to individuals for survival.

7 / 15

If a tall pea plant is crossed with a pure dwarf pea plant then, what percentage of F1 and F2 generation respectively will be tall?

8 / 15

If a round, green-seeded pea plant (RR yy) is crossed with a wrinkled, yellow-seeded pea plant, (rr YY) the seeds produced in the F1 generation are

9 / 15

A zygote that has an X-chromosome inherited from the father will develop into a _____.

10 / 15

A homozygous dominant guinea pig with black fur is crossed with a homozygous guinea pig with white fur. The F1 generation is crossed with itself.

What percentage of F2 generation is expected to show a white fur coat?

11 / 15

The height of a plant is regulated by:

12 / 15

Which statement about the genotypes of organisms is correct?

13 / 15

Which of the following statements is incorrect?

14 / 15

A heterozygous red-eyed female Drosophila mated with a white-eyed male would produce _____.

15 / 15

In an asexually reproducing species if trait X exists in 5% of a population and trait Y exists in 70% of the same population, which of the two traits is likely to have arisen earlier?

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1Vishal100 %44 seconds15
2Praniii...100 %1 minutes 4 seconds15
3Subhankar100 %1 minutes 7 seconds15
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Key Topics Covered in the Quiz

Mendel’s Laws of Inheritance
Monohybrid and Dihybrid Cross
Dominant and Recessive Traits
Sex Determination in Humans
Genotypic and Phenotypic Ratios
Variation and Evolution

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