BIOD171 OR BIOL271 MICROBIOLOGY
W/LAB |MODULE 2 2026/2027 WITH 100
QUESTIONS AND EXPERT-VERIFIED
CORRECT ANSWERS | ALREADY
GRADED A+ | GUARANTEED PASS
SECTION 1: METABOLISM BASICS (Questions 1–15)
1. Which term describes the sum of all chemical reactions within a living
organism?
A) Anabolism
B) Catabolism
C) Metabolism
D) Homeostasis
Answer: C) Metabolism
2. The breakdown of large molecules into smaller ones with the release of
energy is called:
A) Anabolism
B) Catabolism
, C) Metabolism
D) Synthesis
Answer: B) Catabolism
3. The synthesis of large molecules from smaller ones, requiring energy, is
called:
A) Anabolism
B) Catabolism
C) Metabolism
D) Hydrolysis
Answer: A) Anabolism
4. True or False: Metabolism is a controlled set of biochemical reactions that
occur in only motile living organisms.
Answer: False – metabolism occurs in all living organisms.
5. True or False: Metabolism can be defined as a controlled set of biochemical
reactions that occur in living organisms in order to maintain life.
Answer: True
6. What is the primary function of enzymes in metabolic reactions?
A) To provide energy for the reaction
B) To slow down the reaction to conserve energy
C) To speed up (catalyze) chemical reactions
D) To change the products of the reaction
Answer: C) To speed up (catalyze) chemical reactions
7. True or False: Enzymes slow down chemical reactions to conserve energy.
Answer: False – enzymes speed up (catalyze) chemical reactions.
8. Enzymes are which type of biological molecule?
A) Carbohydrates
, B) Lipids
C) Proteins
D) Nucleic acids
Answer: C) Proteins
9. True or False: Enzymes are polysaccharides that catalyze chemical
reactions.
Answer: False – enzymes are proteins, not polysaccharides.
10. The specific location on an enzyme where the substrate binds is called the:
A) Allosteric site
B) Active site
C) Binding pocket
D) Regulatory site
Answer: B) Active site
11. A competitive inhibitor binds to:
A) The allosteric site
B) The active site
C) The substrate
D) The product
Answer: B) The active site
12. A non-competitive inhibitor binds to:
A) The active site
B) The allosteric site
C) The substrate
D) The product
Answer: B) The allosteric site
13. The energy required to start a chemical reaction is called:
W/LAB |MODULE 2 2026/2027 WITH 100
QUESTIONS AND EXPERT-VERIFIED
CORRECT ANSWERS | ALREADY
GRADED A+ | GUARANTEED PASS
SECTION 1: METABOLISM BASICS (Questions 1–15)
1. Which term describes the sum of all chemical reactions within a living
organism?
A) Anabolism
B) Catabolism
C) Metabolism
D) Homeostasis
Answer: C) Metabolism
2. The breakdown of large molecules into smaller ones with the release of
energy is called:
A) Anabolism
B) Catabolism
, C) Metabolism
D) Synthesis
Answer: B) Catabolism
3. The synthesis of large molecules from smaller ones, requiring energy, is
called:
A) Anabolism
B) Catabolism
C) Metabolism
D) Hydrolysis
Answer: A) Anabolism
4. True or False: Metabolism is a controlled set of biochemical reactions that
occur in only motile living organisms.
Answer: False – metabolism occurs in all living organisms.
5. True or False: Metabolism can be defined as a controlled set of biochemical
reactions that occur in living organisms in order to maintain life.
Answer: True
6. What is the primary function of enzymes in metabolic reactions?
A) To provide energy for the reaction
B) To slow down the reaction to conserve energy
C) To speed up (catalyze) chemical reactions
D) To change the products of the reaction
Answer: C) To speed up (catalyze) chemical reactions
7. True or False: Enzymes slow down chemical reactions to conserve energy.
Answer: False – enzymes speed up (catalyze) chemical reactions.
8. Enzymes are which type of biological molecule?
A) Carbohydrates
, B) Lipids
C) Proteins
D) Nucleic acids
Answer: C) Proteins
9. True or False: Enzymes are polysaccharides that catalyze chemical
reactions.
Answer: False – enzymes are proteins, not polysaccharides.
10. The specific location on an enzyme where the substrate binds is called the:
A) Allosteric site
B) Active site
C) Binding pocket
D) Regulatory site
Answer: B) Active site
11. A competitive inhibitor binds to:
A) The allosteric site
B) The active site
C) The substrate
D) The product
Answer: B) The active site
12. A non-competitive inhibitor binds to:
A) The active site
B) The allosteric site
C) The substrate
D) The product
Answer: B) The allosteric site
13. The energy required to start a chemical reaction is called:
