Biology MCQs

Biology MCQs are a vital tool for students preparing for medical entrance exams like MDCAT, as well as competitive tests like CSS, PMS, FPSC, and PPSC. This section includes expertly designed multiple-choice questions that span major areas of biology, including cell biology, botany, zoology, genetics, microbiology, and human physiology. With each question crafted to improve conceptual clarity and analytical skills, this resource helps users achieve high scores in both academic and professional exams. Biology MCQs are also useful for students of FSc Pre-Medical, BSc, and other life science programs. Each question is aligned with the latest curriculum and designed according to the pattern of Pakistan’s competitive exams. Whether you are targeting entry tests, job assessments, or semester exams, our Biology MCQs offer reliable and result-oriented practice.

Q: Which part of the brain regulates breathing and heartbeat?
A) Cerebellum
B) Cerebrum
C) Medulla oblongata
D) Hypothalamus
βœ… Correct Answer: C
Explanation: The medulla controls involuntary functions.
Q: Which is the functional unit of the kidney?
A) Neuron
B) Villi
C) Alveoli
D) Nephron
βœ… Correct Answer: D
Explanation: Nephrons filter blood and form urine in kidneys.
Q: What is the role of chlorophyll?
A) Absorb water
B) Absorb sunlight
C) Protect cell
D) Store glucose
βœ… Correct Answer: B
Explanation: Chlorophyll captures sunlight for photosynthesis.
Q: Which type of muscle is found in the heart?
A) Cardiac
B) Voluntary
C) Skeletal
D) Smooth
βœ… Correct Answer: A
Explanation: Cardiac muscles are specialized for continuous heart contraction.