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: What is the genetic material in most living organisms?
A) RNA
B) Protein
C) Lipid
D) DNA
Q: Which blood cells help in fighting infection?
A) Plasma
B) Red blood cells
C) White blood cells
D) Platelets
Q: Which vitamin is produced in the skin in sunlight?
A) Vitamin A
B) Vitamin B12
C) Vitamin D
D) Vitamin C
Q: What pigment gives plants their green color?
A) Chlorophyll
B) Melanin
C) Carotene
D) Hemoglobin
Q: What type of blood is known as the universal donor?
A) A
B) AB
C) B
D) O
Q: What process do plants use to make food?
A) Respiration
B) Fermentation
C) Photosynthesis
D) Digestion
Q: How many chromosomes are in human body cells?
A) 46
B) 23
C) 22
D) 44
Q: Which macromolecule is the main source of energy?
A) Nucleic acid
B) Carbohydrate
C) Protein
D) Lipid
Q: Which organ filters waste from the blood?
A) Liver
B) Lungs
C) Kidney
D) Spleen
Q: What is the fluid part of blood called?
A) Plasma
B) Serum
C) Platelets
D) Hemoglobin