11th Biology

Chapter 11 (Bioenergetic) F.Sc 1st Year Biology Short Questions

Level: F.Sc (Pre-Engg)
Class: 1st Year
Board: Punjab Textbook Board
Subject: Biology
Chapter 11: Bioenergetic
Type: Short Questions
Author: Kiran Mehtab
Pages: 6
PDF Size: 2 MB

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How thylakoids and chemiosmosis are linked?

Thylakoid membranes are involved in ATP synthesis by chemiosmosis.

Name the phases of Calvin-Benson cycle?

The Calvin-Benson cycle or Calvin cycle can be divided into three phases:

  • Carbon fixation
  • Reduction
  • Regeneration of CO2 acceptor (RuBP)

Define redox potential.

Redox potential (also called oxidation-reduction potential or ORP) is an integrated measure of the balance between total oxidants and total reductants in a biological system, such as the human body.

What is fermentation and its two types? or What is anaerobic respiration?

Respiration that occurs in the absence of oxygen is called anaerobic respiration or fermentation. There are two types of fermentation i.e., alcoholic fermentation and lactic acid fermentation.

Differentiate between photolysis and glycolysis.

The water-splitting step of photosynthesis that releases oxygen is called photolysis. While during respiration splitting of a glucose molecule into two pyruvic acids is called glycolysis

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