GENERAL BIOLOGY EXAMINATION QUESTIONS AND CORRECT ANSWER WITH EXPLANATION GRADED A+ STUDY GUIDE

GENERAL BIOLOGY EXAMINATION QUESTIONS AND
CORRECT ANSWER WITH EXPLANATION GRADED A+
STUDY GUIDE SOUTHERN NEW HAMPSHIRE UNIVERSITY
1. Biology is the study of:
A. Living organisms
B. Rocks only
C. Weather only
D. Machines only
Answer: A
Rationale: Biology examines life and living processes.

2. The basic unit of life is:
A. Cell
B. Atom
C. Tissue
D. Organ
Answer: A
Rationale: Cells are the smallest living units.

3. Organisms with one cell are called:
A. Unicellular
B. Multicellular
C. Vertebrates
D. Mammals
Answer: A
Rationale: Single-celled organisms.

4. The control center of the cell is the:
A. Nucleus
B. Cytoplasm
C. Ribosome
D. Cell wall
Answer: A
Rationale: Contains genetic material.

5. DNA stands for:
A. Deoxyribonucleic acid

, B. Dynamic nucleic acid
C. Double nitrogen acid
D. Digital nucleic acid
Answer: A
Rationale: Genetic material in organisms.

6. The cell membrane functions to:
A. Control movement in and out
B. Produce food
C. Store water only
D. Make proteins only
Answer: A
Rationale: Selectively permeable barrier.

7. Cytoplasm is:
A. Jelly-like substance in cells
B. Cell wall
C. Genetic material
D. Plant tissue
Answer: A
Rationale: Holds organelles.

8. Ribosomes are responsible for:
A. Protein synthesis
B. Respiration
C. Digestion
D. Reproduction
Answer: A
Rationale: Build proteins.

9. Mitochondria are known as:
A. Powerhouse of the cell
B. Brain of the cell
C. Cell membrane
D. Cell wall
Answer: A
Rationale: Produce ATP energy.

10. Photosynthesis occurs in:
A. Chloroplasts

, B. Ribosomes
C. Vacuoles
D. Nucleus
Answer: A
Rationale: Site of photosynthesis.

11. Plant cells differ from animal cells because they contain:
A. Cell wall
B. Centrioles only
C. Lysosomes only
D. No membrane
Answer: A
Rationale: Provides structure.

12. The process by which plants make food is:
A. Photosynthesis
B. Respiration
C. Digestion
D. Fermentation
Answer: A
Rationale: Uses sunlight to make glucose.

13. Photosynthesis requires:
A. Sunlight, water, CO₂
B. Oxygen only
C. Nitrogen only
D. Protein only
Answer: A
Rationale: Essential reactants.

14. Cellular respiration produces:
A. ATP energy
B. Glucose only
C. Water only
D. Nitrogen only
Answer: A
Rationale: Energy release process.

15. ATP is:
A. Energy currency of the cell