One Paper MCQs Solved Preparation Material All in One for PPSC FPSC NTS PTS OTS

48. Vaccination is synonomyous with …………..immunity.
a. Natural active
b. Artificial passive
c. Artificial active
d. none
49. When a patient’s immune system becomes reactive to a drug, this is an example of:
a. Super infection
b. Drug resistance
c. Allergy
d. none
50. What is the smallest unit of heredity?
a. Chromosomes
b. Gene
c. Nucleotides

Download One Paper MCQs Solved Preparation Material All in One for PPSC FPSC NTS PTS OTS

One Paper MCQs Solved Preparation Material All in One for PPSC FPSC NTS PTS OTS