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 gas is essential for respiration?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
Q: What is the largest organ in the human body?
A) Lungs
B) Skin
C) Liver
D) Heart
Q: Which organ stores bile?
A) Pancreas
B) Kidney
C) Liver
D) Gallbladder
Q: Which blood group is known as the universal recipient?
A) AB
B) O
C) B
D) A
Q: Which structure in plants transports water?
A) Phloem
B) Chloroplast
C) Xylem
D) Stomata
Q: What is the function of stomata?
A) Water absorption
B) Seed germination
C) Gas exchange
D) Photosynthesis
Q: What is the function of the large intestine?
A) Digest proteins
B) Break down fats
C) Filter blood
D) Absorb water
Q: Which part of the eye controls the amount of light entering?
A) Pupil
B) Iris
C) Cornea
D) Retina
Q: Which hormone regulates sleep-wake cycles?
A) Estrogen
B) Insulin
C) Melatonin
D) Cortisol
Q: What does DNA stand for?
A) Dextrose Nucleic Acid
B) Dynamic Nucleic Acid
C) Dual Nitrogen Acid
D) Deoxyribonucleic Acid