BIOD 121 Module 4 Exam 4 (2025)
comprehensive Questions and verified
Answers (detailed & elaborated)
ACTUAL EXAM 2025 TEST!!
Multiple Choice Questions
1. Which organelle is known as the "powerhouse of the cell"?
A) Nucleus
B) Mitochondria
C) Ribosome
D) Endoplasmic reticulum
2. DNA replication occurs during which phase of the cell cycle?
A) G1 phase
B) S phase
C) G2 phase
D) M phase
3. Which base pairs with Adenine in DNA?
A) Guanine
, B) Cytosine
C) Thymine
D) Uracil
4. Which process involves the synthesis of RNA from a DNA template?
A) Translation
B) Replication
C) Transcription
D) Mutation
5. Bacteria differ from viruses because bacteria:
A) Are acellular
B) Have a cell wall
C) Require a host to reproduce
D) Have DNA or RNA but not both
6. The basic unit of structure and function in living organisms is the:
A) Tissue
B) Organ
C) Cell
D) Organ system
7. Which part of the cell membrane is primarily responsible for selective
permeability?
A) Phospholipid bilayer
B) Cholesterol
C) Proteins
D) Carbohydrates
, 8. Mitosis results in:
A) Two genetically identical diploid cells
B) Four genetically identical haploid cells
C) Two genetically different diploid cells
D) Four genetically different haploid cells
9. Which macromolecule forms the structural framework of the cell
membrane?
A) Carbohydrates
B) Lipids
C) Proteins
D) Nucleic acids
10.Which human body system is primarily responsible for transporting
oxygen and nutrients?
A) Respiratory system
B) Circulatory system
C) Digestive system
D) Nervous system
True or False Questions
11.The mitochondria are found only in animal cells.
False
12.RNA contains the sugar ribose, while DNA contains deoxyribose.
True / False
13.In bacteria, DNA is enclosed within a nucleus.
True
14.The ribosome is the site of protein synthesis.
False
comprehensive Questions and verified
Answers (detailed & elaborated)
ACTUAL EXAM 2025 TEST!!
Multiple Choice Questions
1. Which organelle is known as the "powerhouse of the cell"?
A) Nucleus
B) Mitochondria
C) Ribosome
D) Endoplasmic reticulum
2. DNA replication occurs during which phase of the cell cycle?
A) G1 phase
B) S phase
C) G2 phase
D) M phase
3. Which base pairs with Adenine in DNA?
A) Guanine
, B) Cytosine
C) Thymine
D) Uracil
4. Which process involves the synthesis of RNA from a DNA template?
A) Translation
B) Replication
C) Transcription
D) Mutation
5. Bacteria differ from viruses because bacteria:
A) Are acellular
B) Have a cell wall
C) Require a host to reproduce
D) Have DNA or RNA but not both
6. The basic unit of structure and function in living organisms is the:
A) Tissue
B) Organ
C) Cell
D) Organ system
7. Which part of the cell membrane is primarily responsible for selective
permeability?
A) Phospholipid bilayer
B) Cholesterol
C) Proteins
D) Carbohydrates
, 8. Mitosis results in:
A) Two genetically identical diploid cells
B) Four genetically identical haploid cells
C) Two genetically different diploid cells
D) Four genetically different haploid cells
9. Which macromolecule forms the structural framework of the cell
membrane?
A) Carbohydrates
B) Lipids
C) Proteins
D) Nucleic acids
10.Which human body system is primarily responsible for transporting
oxygen and nutrients?
A) Respiratory system
B) Circulatory system
C) Digestive system
D) Nervous system
True or False Questions
11.The mitochondria are found only in animal cells.
False
12.RNA contains the sugar ribose, while DNA contains deoxyribose.
True / False
13.In bacteria, DNA is enclosed within a nucleus.
True
14.The ribosome is the site of protein synthesis.
False
