MANUAL BIOLOGY 14TH EDITION MADER (CHAPTER 1-
47) QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS Q&A 2026 |INSTANT DOWNLOAD PDF
1. Which level of biological organization is the basic unit of
life?
A. Tissue
B. Organ
C. Cell
D. Organ system
Rationale: The cell is the smallest structural and functional unit
capable of life processes.
Correct Answer: C. Cell
2. Which organelle is responsible for ATP production?
A. Ribosome
B. Mitochondrion
C. Golgi apparatus
D. Lysosome
Rationale: Mitochondria generate ATP through cellular
respiration.
Correct Answer: B. Mitochondrion
3. What is the primary function of ribosomes?
,A. Lipid synthesis
B. Protein synthesis
C. DNA replication
D. Energy storage
Rationale: Ribosomes translate mRNA into proteins.
Correct Answer: B. Protein synthesis
4. Which macromolecule stores genetic information?
A. Protein
B. Lipid
C. Carbohydrate
D. Nucleic acid
Rationale: DNA and RNA are nucleic acids that store genetic
information.
Correct Answer: D. Nucleic acid
5. Enzymes are best described as:
A. Lipids that store energy
B. Proteins that catalyze reactions
C. Carbohydrates used for structure
D. Nucleic acids that store information
Rationale: Enzymes are biological catalysts made of proteins.
Correct Answer: B. Proteins that catalyze reactions
,6. Which process converts glucose into usable cellular energy?
A. Photosynthesis
B. Fermentation
C. Cellular respiration
D. Diffusion
Rationale: Cellular respiration breaks down glucose to produce
ATP.
Correct Answer: C. Cellular respiration
7. The plasma membrane is primarily composed of:
A. Cellulose
B. Phospholipids and proteins
C. Starch
D. DNA
Rationale: The membrane is a phospholipid bilayer with
embedded proteins.
Correct Answer: B. Phospholipids and proteins
8. Osmosis refers to the movement of:
A. Proteins across membranes
B. Solutes from high to low concentration
C. Water across a semipermeable membrane
D. Ions against a gradient
Rationale: Osmosis is passive movement of water.
Correct Answer: C. Water across a semipermeable membrane
, 9. DNA replication occurs during which cell cycle phase?
A. G1 phase
B. S phase
C. G2 phase
D. M phase
Rationale: DNA is duplicated during the synthesis (S) phase.
Correct Answer: B. S phase
10. Mitosis results in:
A. Four haploid cells
B. Two identical diploid cells
C. One diploid cell
D. Genetic variation only
Rationale: Mitosis produces identical daughter cells.
Correct Answer: B. Two identical diploid cells
11. Meiosis produces:
A. Identical cells
B. Diploid somatic cells
C. Haploid gametes
D. Cloned organisms
Rationale: Meiosis reduces chromosome number to form
47) QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS Q&A 2026 |INSTANT DOWNLOAD PDF
1. Which level of biological organization is the basic unit of
life?
A. Tissue
B. Organ
C. Cell
D. Organ system
Rationale: The cell is the smallest structural and functional unit
capable of life processes.
Correct Answer: C. Cell
2. Which organelle is responsible for ATP production?
A. Ribosome
B. Mitochondrion
C. Golgi apparatus
D. Lysosome
Rationale: Mitochondria generate ATP through cellular
respiration.
Correct Answer: B. Mitochondrion
3. What is the primary function of ribosomes?
,A. Lipid synthesis
B. Protein synthesis
C. DNA replication
D. Energy storage
Rationale: Ribosomes translate mRNA into proteins.
Correct Answer: B. Protein synthesis
4. Which macromolecule stores genetic information?
A. Protein
B. Lipid
C. Carbohydrate
D. Nucleic acid
Rationale: DNA and RNA are nucleic acids that store genetic
information.
Correct Answer: D. Nucleic acid
5. Enzymes are best described as:
A. Lipids that store energy
B. Proteins that catalyze reactions
C. Carbohydrates used for structure
D. Nucleic acids that store information
Rationale: Enzymes are biological catalysts made of proteins.
Correct Answer: B. Proteins that catalyze reactions
,6. Which process converts glucose into usable cellular energy?
A. Photosynthesis
B. Fermentation
C. Cellular respiration
D. Diffusion
Rationale: Cellular respiration breaks down glucose to produce
ATP.
Correct Answer: C. Cellular respiration
7. The plasma membrane is primarily composed of:
A. Cellulose
B. Phospholipids and proteins
C. Starch
D. DNA
Rationale: The membrane is a phospholipid bilayer with
embedded proteins.
Correct Answer: B. Phospholipids and proteins
8. Osmosis refers to the movement of:
A. Proteins across membranes
B. Solutes from high to low concentration
C. Water across a semipermeable membrane
D. Ions against a gradient
Rationale: Osmosis is passive movement of water.
Correct Answer: C. Water across a semipermeable membrane
, 9. DNA replication occurs during which cell cycle phase?
A. G1 phase
B. S phase
C. G2 phase
D. M phase
Rationale: DNA is duplicated during the synthesis (S) phase.
Correct Answer: B. S phase
10. Mitosis results in:
A. Four haploid cells
B. Two identical diploid cells
C. One diploid cell
D. Genetic variation only
Rationale: Mitosis produces identical daughter cells.
Correct Answer: B. Two identical diploid cells
11. Meiosis produces:
A. Identical cells
B. Diploid somatic cells
C. Haploid gametes
D. Cloned organisms
Rationale: Meiosis reduces chromosome number to form
