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Question 1
Which level of organization is the highest in the human
body?
A. Cellular
B. Tissue
C. Organ
D. Organ system
Answer:
✔ D. Organ system
Explanation:
,The body is organized hierarchically: chemical → cellular →
tissue → organ → organ system → organism. The organ
system level integrates multiple organs to perform major
functions.
Question 2
What is the primary function of the cell membrane?
A. Protein synthesis
B. Energy production
C. Selective permeability
D. DNA storage
Answer:
✔ C. Selective permeability
Explanation:
The cell membrane regulates what enters and exits the cell,
maintaining homeostasis through selective permeability.
Question 3
,Which organelle is responsible for ATP production?
A. Ribosome
B. Nucleus
C. Mitochondria
D. Golgi apparatus
Answer:
✔ C. Mitochondria
Explanation:
Mitochondria generate ATP through cellular respiration and
are known as the “powerhouse of the cell.”
Question 4
Which tissue type lines body cavities?
A. Connective tissue
B. Muscle tissue
C. Nervous tissue
D. Epithelial tissue
, Answer:
✔ D. Epithelial tissue
Explanation:
Epithelial tissue covers surfaces and lines cavities, providing
protection and absorption.
Question 5
The study of structure and shape of the body is called:
A. Physiology
B. Pathology
C. Anatomy
D. Histology
Answer:
✔ C. Anatomy
Explanation:
Anatomy focuses on body structure, while physiology
studies function.