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Home›Explore Exams›NEB +2› Science› Grade 12›Subjects›Biology (Science, Grade 12)

GyanMul Prep · NEB +2 · Science · Grade 12

Biology (Science, Grade 12)

Everything on these tabs is Biology (Science, Grade 12) only, within NEB +2 Science · Grade 12.

Science · Grade 12 subjects

Chapters Questions Practice Quizzes Past Papers Institution Papers Mock Tests Solved Questions Progress Gurubaa

Chapters›Plant Growth and Development

7

Chapter 7 of 40 · Biology (Science, Grade 12)

Plant Growth and Development

4 topics
Board exam — Plant Physiology, 11 marks across 5 chapters
19 solved questions

Growth as a measurable curve, the five classes of regulator that shape it, and the way day length and cold decide when a plant flowers.

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Topics

What the syllabus defines for this chapter

1Phases of growth and the growth curve
2Plant growth regulators: auxin, gibberellin and cytokinin
3Abscisic acid and ethylene
4Photoperiodism and vernalisation

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