Biology MCQs
Biology MCQs cover cell biology, botany, zoology, genetics, microbiology, and physiology. Ideal for MDCAT, CSS, PMS, FPSC, and PPSC exams, they boost conceptual clarity and analytical skills for academic and competitive success.
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