- (A) Ultra violet rays
- (B) Ultrasonic vibrations
- (C) Infrared rays
- (D) Gamma rays
Exam preparation MCQs with answers
Practice Pakistan's most useful MCQs for competitive exams
Prepare for NTS, PPSC, FPSC and subject-wise tests with fresh multiple choice questions, clear options and quick answer reveal.
Latest MCQs
- (A) Arthus reaction
- (B) SLE
- (C) Auto immune hemolytic anemia
- (D) Contact dermatitis
- (A) 125°C for new seconds
- (B) 60°C for 15 minutes
- (C) 72°C for 5 minutes
- (D) 72° for 15 – 20 Sec
- (A) Glutaraldehyde
- (B) Betapropiolactone
- (C) Formaldehyde
- (D) Hexachlorophen
- (E) Both A & C
- (A) Transduction
- (B) Transformation
- (C) Mutation
- (D) conjugation
- (A) Fungi
- (B) Gram +ve bacteria
- (C) Virus
- (D) Gram -ve bacteria
- (A) IgA
- (B) IgE
- (C) IgG
- (D) IgM
- (E) Both C & D
- (A) Idiotope
- (B) Paratope
- (C) Epitope
- (D) Hapten
- (A) Acts as a mucosal barrier for infection
- (B) Circulating antibody
- (C) Kills virus infected cells
- (D) Activates macrophages
- (A) IgG & igM
- (B) IgG & IgA
- (C) IgG & IgD
- (D) IgD & IgE

