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 human organ filters waste from the blood?
A) Heart
B) Liver
C) Kidney
D) Lung
Q: Which is the longest bone in the human body?
A) Radius
B) Tibia
C) Femur
D) Humerus
Q: Which disease is caused by deficiency of insulin?
A) Scurvy
B) Asthma
C) Cancer
D) Diabetes
Q: What is the function of platelets?
A) Transport nutrients
B) Carry oxygen
C) Fight infection
D) Blood clotting
Q: What is the normal pH of human blood?
A) 8.5
B) 7.4
C) 6.0
D) 5.5
Q: Which organ helps in detoxification of chemicals and drugs?
A) Liver
B) Lung
C) Kidney
D) Heart
Q: What is the name of the pigment that gives skin its color?
A) Melanin
B) Myosin
C) Keratin
D) Hemoglobin
Q: Which is the smallest bone in the human body?
A) Femur
B) Stapes
C) Tibia
D) Radius
Q: What structure connects muscles to bones?
A) Nerves
B) Tendons
C) Ligaments
D) Cartilage
Q: What is the primary function of red blood cells?
A) Regulate hormones
B) Fight infection
C) Blood clotting
D) Transport oxygen