Skip to main content
Chapter 34 of 41
Chapter Summary

Crop Improvement / Plant Breeding

Telangana Open School (TOSS) · Class 12 · Biology

Summary of Crop Improvement / Plant Breeding for Telangana Open School (TOSS) Class 12 Biology. Key concepts, important points, and chapter overview.

44 questions30 flashcards4 concepts

Interactive on Super Tutor

Studying Crop Improvement / Plant Breeding? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for chapter summary and more.

1,000+ Class 12 students started this chapter today

Overview

Crop improvement, also known as plant breeding, is the scientific process of enhancing the genetic makeup of crop plants to develop superior varieties. With the growing human population, there is an urgent need to produce more food using limited resources. Plant breeding helps in developing crops th

Key Concepts

Plant breeding is the application

Plant breeding is the application of botanical knowledge to improve crop plants by developing new varieties with better traits such as high yield, dis

Hybridization involves crossing two genetically different

Hybridization involves crossing two genetically different parent plants to produce offspring (F₁ hybrids) that show superior characteristics, a phenom

Mutation breeding uses physical or chemical

Mutation breeding uses physical or chemical mutagens like gamma rays or EMS to induce sudden heritable changes in plants, leading to new desirable tra

Polyploidy breeding involves increasing the number

Polyploidy breeding involves increasing the number of chromosome sets in a plant using agents like colchicine, resulting in larger, more vigorous plan

Learning Objectives

  • Understand the importance of plant breeding in agriculture
  • Differentiate between conventional and modern plant breeding methods
  • Explain the process of hybridization and its significance
  • Describe how new crop varieties are developed using mutation and polyploidy
  • Recognize the role of genetic variation in crop improvement

Frequently Asked Questions

What are the important topics in Crop Improvement / Plant Breeding for Telangana Open School (TOSS) Class 12 Biology?
Crop Improvement / Plant Breeding covers several key topics that are frequently asked in Telangana Open School (TOSS) Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Crop Improvement / Plant Breeding — Telangana Open School (TOSS) Class 12 Biology?
Understand the core concepts first, then work through the 44 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.

For serious students

Get the full Crop Improvement / Plant Breeding chapter — for free.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for Telangana Open School (TOSS) Class 12 Biology.