Growth and Development in Plants
Telangana Open School (TOSS) · Class 12 · Biology
Step-by-step guide to study Growth and Development in Plants in Telangana Open School (TOSS) Class 12 Biology. Topics to cover, practice strategy, and time allocation.
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Study Plan
Learn the Theory
Read the textbook chapter carefully. Note down definitions, formulas, and key concepts.
Practice Problems
Solve textbook exercises and additional practice questions. There are 43 questions available for this chapter.
Revise & Test
Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding. Mark weak areas for re-revision.
Spaced Revision
Revisit Growth and Development in Plants after a week. Use flashcards for quick recall. Solve previous year questions from this chapter.
What to Focus On
- Growth is irreversible and involves increase in cell number and size.
- Development includes growth, differentiation, and maturation.
- Morphogenesis is the formation of shape and structure.
- Cell division increases the number of cells via mitosis.
- Cell enlargement involves increase in cell size due to water uptake.
- Cell differentiation leads to specialized cells forming tissues.
- Sigmoid curve has three phases: lag, log, and stationary.
- Lag phase: slow initial growth.
- Log phase: rapid, maximum growth.
Common Mistakes to Avoid
Growth and development mean the same thing in plants.
All plant cells grow throughout the plant body.
The sigmoid growth curve shows constant growth after a point.
Memory Tips
Three stages of cellular growth: Cell Division, Cell Enlargement, Cell Differentiation
Five major plant hormones: Auxin, Gibberellin, Cytokinin, Ethylene, Abscisic Acid
Auxin promotes cell elongation and apical dominance
Gibberellin breaks seed dormancy and promotes stem elongation
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Growth and Development in Plants
Practice Quiz
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Important Questions
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Revision Notes
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Formula Sheet
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Chapter Summary
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Concept Maps
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Flashcards
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Syllabus
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NCERT Solutions
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Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for Telangana Open School (TOSS) Class 12 Biology.