Bioenergetics(Biology ) Questions and answers for exam Preparation

Question 1. End product of glycolsis is

glucose
pyruvic acid
citric acid
glycogen

Explanation:-

Answer: Option B. -> pyruvic acid
Answer: (b).pyruvic acid

Question 2. Alcoholic fermentation and Lactic acid fermentation are

aerobic
anaerobic
partially aerobic
partially anaerobic

Explanation:-

Answer: Option B. -> anaerobic
Answer: (b).anaerobic

Question 3. Cytochrome is oxidized by

atom of oxygen
electrons
protons
Both a and b

Explanation:-

Answer: Option D. -> Both a and b
Answer: (d).Both a and b

Question 4. Specialized molecule which traps high energy electron and electron carriers is

primary acceptor
electron acceptor
primary electron acceptor
electron acceptor

Explanation:-

Answer: Option C. -> primary electron acceptor
Answer: (c).primary electron acceptor

Question 5. Most abundant and most important photosynthetic pigment is

chlorophyll-a
chlorophyll-b
chlorophyll-c
chlorophyll-d

Explanation:-

Answer: Option A. -> chlorophyll-a
Answer: (a).chlorophyll-a

Question 6. Fungi paly a role as decomposers through enzyme

protease
lactase
ADH
insulin

Explanation:-

Answer: Option A. -> protease
Answer: (a).protease

Question 7. Phosphate diester is used in the backbone of

mRNA
tRNA
DNA
rRNA

Explanation:-

Answer: Option C. -> DNA
Answer: (c).DNA

Question 8. In oxidation half reaction the electrons are on the

Product side
Reactant side
decreased
Remain unchanged

Explanation:-

Answer: Option A. -> Product side
Answer: (a).Product side

Question 9. The nucleophilic attack by water on a phosphate monoester produces

inorganic phosphate
organic phosphate
both a and b
phosphorus sulphide

Explanation:-

Answer: Option A. -> inorganic phosphate
Answer: (a).inorganic phosphate

Question 10. Carbon dioxide (CO₂) is one of the end products of decomposition and its nature is

organic
inorganic
artificial
replicatic

Explanation:-

Answer: Option B. -> inorganic
Answer: (b).inorganic