Botany Sir Himansu | NEET Botany Notes & Visual Learning

  Feature Non-Cyclic Photophosphorylation Cyclic Photophosphorylation Photosystems Involved Involves both **Photosystem I (PS I)** and **Photosystem II (PS II)** working in series. Involves **Photosystem I (PS I)** only. PS II is completely inactive here. Electron Flow Path The electron expelled from PS II does not return; it is a one-way flow (Z-scheme). The expelled electron cycles back to the same reaction center via carriers. Photolysis of Water Occurs on the inner side of the thylakoid membrane, splitting water. Does not occur; there is no splitting of water molecules. End Products Produces both **ATP** and **NADPH**, along with oxygen ($O_2$) evolution. Produces **ATP only**. No NADPH is synthesized, and no oxygen is released. Anatomical Loc...

Feature Parameter Light Reaction (Photochemical Phase) Dark Reaction (Biosynthetic Phase) Light Dependence Directly dependent on solar radiation. Independent of direct light; dependent on products of light phase. Anatomical Site Occurs inside the Thylakoids and Grana of chloroplasts. Occurs within the liquid Stroma of chloroplasts. Core Activities Photolysis of water, light absorption, and electron transport. Fixation of $CO_2$ through enzyme cycles to produce sugars. End Products Generated ATP, NADPH, and Oxygen gas ($O_2$). Glucose sugar ($C_6H_{12}O_6$), $ADP$, and $NADP^+$. Photosynthesis in Higher Plants is one of the foundational chapters in the Class 11 Plant Physiology module. It sits right at the core of major school boards and competitive medi...

Feature Aerobic Respiration Anaerobic Respiration Presence of Oxygen Takes place in the absolute presence of oxygen air. Takes place in the complete absence of oxygen air. Breakdown of Food Glucose is completely broken down into simpler elements. Glucose is partially or incompletely broken down. End Products Carbon Dioxide ($CO_2$), Water ($H_2O$), and Energy. Alcohol/Lactic Acid, Carbon Dioxide ($CO_2$), and minimal Energy. Energy Yield Releases a very large amount of energy. Releases a relatively small amount of energy. Respiration is one of the most vital biological processes that keeps living entities functioning. Without it, cells cannot extract the energy bound within our food, leading to an immediate halt of all metabolic processes. For Class 7 stude...

paternity test Mother's Blood Type Alleged Father's Type Possible Child's Blood Type Impossible Child's Type (EXCLUDED) O O O A, B, AB O AB A, B O, AB A A A, O B, AB B B B, O A, AB AB O A, B O, AB For decades, one of the most common questions surrounding genetics, family medicine, and forensic science has been: Can blood type determine paternity? Before the advent of modern DNA profiling, courts and medical professionals routinely relied on the ABO blood grouping system to settle disputes regarding fatherhood. But how reliable is this method today? Can a child’s blood type definitively prove who their biological father is, or does it merely rul...

Biodiversity Component Core Ecological Service Direct Impact on Human Lives Forest Ecosystems Carbon sequestration & oxygen output. Regulates climate, prevents global warming, and purifies breathable air. Insects & Birds Active floral pollination. Sustains production of fruits, vegetables, and global agricultural crops. Soil Microorganisms Decomposition & nitrogen fixation. Maintains agricultural soil fertility, recycling nutrients for farming. Wetlands & Mangroves Natural water filtration & storm buffers. Provides clean drinking water and shields coastal cities from tsunamis. The planet Earth is home to an astonishing array of living systems. From the deepest ocean vents to the highest mountain ridges, life thrives in nearly every c...

Hey NEET Warriors 👋 Kya aapko bhi lagta hai Plant Physiology sabse confusing topic hai? 😅 Don’t worry — you’re not alone! Most NEET aspirants struggle with Photosynthesis, Respiration, and Plant Growth Regulators, but a few smart tricks can change everything. Today, let’s learn how you can score full marks in Plant Physiology — not by studying more, but by studying smarter. --- 🌿 1️⃣ Understand the Logic Behind Every Process Plant Physiology is not about ratta (memorization). It’s about why and how. 🧠 Example: Instead of just remembering “CO₂ fixation occurs in stroma”, ask — > “Why stroma?” Because that’s where the enzyme Rubisco is found! Whenever you read any process, connect it to location, enzyme, and product. 👉 That’s how NEET toppers remember everything easily. --- 🌱 2️⃣ Master the Three Power Chapters For NEET 2025, these 3 chapters are the highest scoring in Plant Physiology: 1. Photosynthesis in Higher Plants 2. Respiration in Plants 3. Plant Growth and D...