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Study Plan

Heredity — Study Plan

NIOS · Class 10 · Science & Tech

A step-by-step study plan for Heredity, NIOS Class 10 Science & Tech: what to learn first, what to practise and when to revise.

45 questions44 flashcards3 formulas & key relations5 concepts

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An illustration defining heredity as the passing of traits from parents to offspring and variation as the differences among individuals of the same species, using examples like family resemblance and
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Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas and key ideas. Focus on: 1. Heredity, Variation, and Genetics, 2. Mendel and Laws of Inheritance, 3. Chromosomes, Genes, and DNA.

2
Day 3

Practise

Solve the textbook exercises and extra practice questions. There are 45 questions available for this chapter.

3
Day 4

Revise & Test

Revise key points without looking at your notes. Take a practice quiz and mark weak areas for another pass.

4
Day 7

Spaced Revision

Come back to Heredity after a week. Use flashcards for quick recall and try past exam questions on this chapter.

What to Focus On

  • Heredity is the passing down of characters from parents to offspring.
  • Genes control heredity.
  • Variation means differences among individuals of the same kind.
  • Mendel was an Austrian monk who lived from 1822 to 1884.
  • Mendel worked with pea plants and postulated laws of inheritance.
  • Correns, Tschermak, and Hugo de Vries independently confirmed Mendel's conclusions later.
  • Chromosomes are present in pairs.
  • The diploid number is written as 2n.
  • Humans have 46 chromosomes in body cells.

Common Mistakes to Avoid

Heredity is the same as variation.

Genes and factors are different things.

The dominant gene is always the better gene and the recessive gene is weak or useless.

Memory Tips

Meaning of heredity

Genes control heredity

Variation

Genetics

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Frequently Asked Questions

What are the important topics in Heredity for NIOS Class 10 Science & Tech?
Key topics in Heredity include Heredity, Variation, and Genetics, Mendel and Laws of Inheritance, Chromosomes, Genes, and DNA, DNA Replication. Study these first, then practise questions on each for the NIOS Class 10 board exam.
How should I revise Heredity for the NIOS Class 10 board exam?
Learn the core ideas first, then work through the 45 practice questions on Heredity. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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