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All Class 11 Biology UnitsUnit IV • Botany

Plant Physiology

Water Transport, Minerals, Photosynthesis & Bioenergetics

Explore water transport mechanisms, essential mineral nutrients, light harvesting complexes, C3/C4 photosynthetic cycles, cellular respiration, glycolysis, Krebs cycle, and phytohormones.

Unit Chapters
5Chapters
NEET Weightage
14-16% (7-8 Qs)
Standard
100%NCERT
Showing 5 of 5 Chapters
CHAPTER 1

Transport in Plants

Water Potential (Ψw = Ψs + Ψp), Apoplast & Symplast Pathways, Transpiration Cohesion-Tension Theory, Münch Pressure Flow Hypothesis.

Chapter 1 • NCERT
CHAPTER 2

Mineral Nutrition

Hydroponics Technique, Macro vs Micronutrient Roles (N, P, K, Mg, Fe, Mo), Critical Concentration & Deficiency, Biological N2 Fixation & Leghaemoglobin.

Chapter 2 • NCERT
CHAPTER 3

Photosynthesis in Higher Plants

PS I & PS II Reaction Centres, Chemiosmotic ATP Synthesis (CF0-CF1), Calvin Cycle (Carboxylation, Reduction, Regeneration), C4 Kranz Anatomy & PEPcase, Blackman's Law of Limiting Factors.

Chapter 3 • NCERT
CHAPTER 4

Respiration in Plants

10 Steps of Glycolysis, Link Reaction (Acetyl-CoA), Krebs Cycle Decarboxylation & Dehydrogenation, ETS Complexes I-V & Proton Gradient, RQ Calculations (Carbs, Fats, Proteins).

Chapter 4 • NCERT
CHAPTER 5

Plant Growth and Development

Sigmoid Growth Curve, Auxin Apical Dominance & Rooting, Gibberellin Bolting & Malting, Cytokinin Cell Division & Delay of Senescence, Ethylene Fruit Ripening & Triple Response, ABA Stress Hormone & Stomatal Closure.

Chapter 5 • NCERT