Bioenergetics

Knowledge-based Questions & Answers:

 

Ques-1. What is biological currency?

Ans: Biological currency in plant physiology is ATP.

Ques-2. What is bioenergetics?

Ans: The energy we get from making and breaking of chemical bonds in the molecules in biological organisms is called bioenergetics.

Ques-3. What kilojoule of energy is stored in the phosphate molecule of one ATP?

Ans: 30.55 kilojoules of energy can be stored in one phosphate molecule of one ATP.

Ques-4. What is hydrolysis?

Ans: The production of oxygen, hydrogen and electrons from the breakdown of water with the help of sunlight and chlorophyll is called hydrolysis.

Ques-5. Write the full form of ATP.

Ans: ATP stands for Adenosine Triphosphate.

Ques-6. What is the optimum temperature for photosynthesis?

Ans: The optimum temperature of photosynthesis is 22° C to 35° C.

Ques-7. What is the first stable product of the Calvin Cycle?

Ans: The first stable product of the Calvin Cycle is 3- Phosphoglyceric Acid.

Ques-8. What is CAM?

Ans: CAM stands for Crassulacean acid metabolism.

Ques-9. What is photosynthesis?
Ans: The production of glucose from chemical reaction between COz and H2O with chlorophyll as catalyst in the presence of sunlight in green plants is called photosynthesis.

Ques-10. What is assimilatory power?
Ans: The process of producing glucose through the assimilation of CO, is called assimilatory power.

Ques-11. What is AMP?

Ans: AMP stands for Adenosine Monophosphate.

Ques-12. What is biological currency?

Ans: In plant physiology, ATP is known as biological Biology currency.

Ques-13. What is photophosphorylation?

Ans: The process of formation of ATP through addition of inorganic phosphate (Pi) with ADP in the presence of light energy is called photophosphorylation.

Ques-14. What is photolysis?

Ans: The process by which oxygen, hydrogen and electrons are released through hydrolysis of water with the help of sunlight and chlorophyll is known as photolysis.

 
Ques-15. Where is the solar energy stored during photophosphorylation?
 
Ans: The solar energy is stored in the phosphate molecule of ATP during photophosphorylation.
 
Ques-16. Why is Calvin Cycle called C; cycle? 
 
Ans: The first stable product in the Calvin cycle is 3-phosphoglyceric acid which is a three-carbon molecule.
This is why it is called C; cycle. 
 
Ques-17. What is the formula for pyruvic acid? 
 
Ans: The formula for pyruvic acid is C3H4O3 
 
Ques-18. What is glycolysis? 
 
Ans: Glycolysis is the first step of respiration where one molecule of glucose is oxidised to produce two molecules of pyruvic acid through chemical reactions. 
 
Ques-19. What is 3 PGA?
 
Ans: 3PGA (3-Phosphoglyceric Acid) is a three carbon phosphoglyceric acid organic compound.
 
Ques-20. What is respiration? 
 
Ans: The process of producing energy and CO2, in presence of oxygen by oxidizing glucose is called respiration.