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Heredity and Evolution

Maharashtra Board · Class 10 · Science

Quick revision notes for Heredity and Evolution — Maharashtra Board Class 10 Science. Key concepts, formulas, and definitions for last-minute revision.

43 questions40 flashcards5 concepts

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Key Topics to Revise

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1. Heredity and Hereditary Changes

  • Gregor Johann Mendel is the pioneer of modern genetics.
  • Heredity is the transfer of biological characters from one generation to another via genes.
  • In 1901, Hugo de Vries explained sudden changes through the mutational theory.
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2. Transcription, Translation and Translocation

  • DNA stores information for protein synthesis.
  • This is called as Central Dogma.
  • RNA contains uracil instead of thymine found in DNA.
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3. Evolution and Its Meaning

  • Evolution is the gradual change occurring in living organisms over a long duration.
  • Formation of new species due to changes in specific characters of several generations of living organisms as a response to natural selection, is called as evolution.
  • The duration of evolutionary changes is at most 300 crore years.
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4. Evidences of Evolution

  • Morphological evidences are based on similarities in body features.
  • In animals, similarities in mouth structure, eye position, nostrils, ear pinnae and body hair suggest common ancestry.
  • In plants, similarities in leaf shape, venation and petiole suggest common ancestry.

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Full Notes

Key Concepts

Heredity is the transfer of biologicalDNA is the genetic materialTranscription is the process of RNATranslation is the process inThe code for each amino acid

Frequently Asked Questions

What are the important topics in Heredity and Evolution for Maharashtra Board Class 10 Science?
Heredity and Evolution covers several key topics that are frequently asked in Maharashtra Board Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Heredity and Evolution — Maharashtra Board Class 10 Science?
Understand the core concepts first, then work through the 43 practice questions available for this chapter. Revise formulas and 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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