Chapter 2: Bioenergetics - Biology For High School - Grade 9(Biology ) Questions and Answers

Question 1. The summarized details of dark reactions are also known as
  1.    Daniel cycle
  2.    Ernst cycle
  3.    Calvin cycle
  4.    Karl cycle
Explanation:-
Answer: Option C. -> Calvin cycle
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2. If the left-hand side of the chemical equation is ADP + water then the right-hand side of that chemical equation is equal to
  1.    AMP + PI + energy
  2.    APM + MI + energy
  3.    BMP + BI + energy
  4.    TDA + TI + energy
Explanation:-
Answer: Option A. -> AMP + PI + energy
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3. The major source of energy to perform cellular functions such as exocytosis, endocytosis, movement, and transmission of nerve impulses is
  1.    Adenosine Triphosphate (ATP)
  2.    Flavin Adenine Dinucleotide (FAD)
  3.    Adenosine monophosphate (AMP)
  4.    none of above
Explanation:-
Answer: Option A. -> Adenosine Triphosphate (ATP)
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4. The lactic acid fermentation occurs in
  1.    meristematic tissues
  2.    skeletal muscles
  3.    epidermal tissues
  4.    xylem tissues
Explanation:-
Answer: Option B. -> skeletal muscles
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 5. In anaerobic respiration, the pyruvic acid is not oxidized completely and turns into
  1.    ethane
  2.    methyl alcohol
  3.    methane
  4.    ethyl alcohol
Explanation:-
Answer: Option D. -> ethyl alcohol
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 6. The reactions in second phase of photosynthesis that does not utilize light directly are called
  1.    adenine reactions
  2.    night reactions
  3.    light reactions
  4.    dark reactions
Explanation:-
Answer: Option D. -> dark reactions
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 7. The biologist who discovered the ATP is
  1.    Daniel Olive
  2.    Daniel Koshland
  3.    Karl Lohmann
  4.    Emil August
Explanation:-
Answer: Option C. -> Karl Lohmann
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 8. The rate of photosynthesis increases with the increase in
  1.    hydrogen
  2.    nitrogen
  3.    carbon dioxide
  4.    oxygen
Explanation:-
Answer: Option C. -> carbon dioxide
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 9. The pigments other than chlorophyll-a present in the thylakoid membranes of chloroplasts are known as
  1.    synthetic pigments
  2.    catabolic pigments
  3.    accessory pigments
  4.    necessary pigments
Explanation:-
Answer: Option C. -> accessory pigments
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 10. The two carbon compound in which pyruvic acid is changed is called
  1.    methane-CoA
  2.    ethyl-CoA
  3.    methyl-CoA
  4.    acetyl-CoA
Explanation:-
Answer: Option D. -> acetyl-CoA
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
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