Class 11 Bio Ch 4 Notes

Important easy to understand Notes of Class 11 Bio Ch 4 Notes written by Professor Taskeen Hasider Suib. These notes are very helpful in the preparation of Biology for students of the 11 class Biology and these are according to the paper patterns of all Sindh Book Boards.

Summary and Contents:
Topics which are discussed in the notes are given below:
  • Definition of energy.
  • Needs for Energy in Living Organisms.
  • Role of ATP as energy currency.
  • Definition of Phosphorylation and Significance of photosynthesis.
  • Role of photosynthetic pigments.
  • Describe the structure of a chlorophyll
  • Describe the role of CO2 and role of water.
  • What is Neil's hypothesis.
  • Describe the Light dependent reaction or light reaction.
  • Light independent reaction or dark reaction.
  • Definition of Cellular Respiration and Types of Respiration.
  • Definition of aerobic respiration and its three major steps.
  • Definition of Anaerobic respiration
  • Describe the Economic importance of Fermentation.
  • Describe the Krebs's Cycle or Citric Acid Cycle.
  • Describe the Electron transport chain or respiratory chain or terminal oxidation.
  • Describe the cellular respiration of fats and proteins.
  • Alternative mechanism of carbon flexion in hot and climate.
  • Write the significance of CAM cycle.
  • Difference between chlorophyll (a)  and chlorophyll (b).
  • Difference between light reaction and dark reaction.
  • Differences between Cyclic Photophosphorylation and Non-Cyclic Photophosphorylation.
  • Differences between aerobic and anaerobic respiration.
  • Differences between alcoholic fermentation and lactic acid fermentation.
  • Differences between C3 and C4 plants.
  • Why energy is stored? 
  • Why energy is required?
  • How ATP act as energy currency?
  • Why antenna Complex contain other pigments with chlorophyll?
  • Why photosynthesis is called Redox reaction.
  • How cyclic photo-phosphorylation is helpful?
  • Why Calvin cycle is also called C3 cycle?
  • Why oxidation of pyruvate required more energy than lactic acid fermentation?
  • Why G3P is an important molecule?
  • A photo respiration is considered as disadvantages process?
  • Why red and blue part of spectrum are more efficient?
  • why ATP formation during a photosynthesis is called and non cyclic photophosphorylation?
  • Why photorespiration is called wasteful process?
  • How plants adopted themselves to avoid from photorespiration?

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