Skip to content

Home
Quiz
All MCQs
Aptitude
Art
Computer
Engineering
English
Physics MCQs
Chemistry
Biology
General Knowledge
Everyday Science

30. Who invented the polio vaccine?

September 20, 2025 by Admin

A. Jonas Salk

B. Burk Holder

C. Robert Koch

D. Albert Sabin

✅ The correct answer is option Jonas Salk.

Categories PastPaper 08, PPSC Past Papers Tags PastPaper 8, PPSC MCQs

9. India consists on how many states?

33. Leukaemia is a disease of the:

Leave a Comment Cancel reply

Comment

Name Email Website

Save my name, email, and website in this browser for the next time I comment.

Notify me of follow-up comments by email.

Notify me of new posts by email.

Δ

GetMCQs:

GetMCQs:

Search

Arts Subjects MCQs
Aptitude MCQs
Biology
Chemistry
English
Everyday Science
General Knowledge
Pedagogy
Psychology
Physics
Punjab Public Service Commission (PPSC) - Past Papers
Sociology

Chemical Engineering
Civil Engineering
Environmental Engineering
Mechanical Engineering
Software Engineering
Electrical Engineering

All Computer MCQs
Basics of Computer Science
Operating System
MS Word
MS Excel
MS PowerPoint

MCQs

2026 Antonyms MCQs Art Basic Chemical Engineering MCQs Basic General Knowledge MCQs Basics of Computer Science MCQs Chemical Engineering Chemical Process MCQs Civil Engineering Civil Engineering Mcqs MCQs Common Error Detection MCQs Computer Costing Engineering English Environmental Science MCQs Everyday Science MCQs Financial Management Fluid Mechanics MCQs General Anatomy Mcqs General Knowledge GK Idioms And Phrases MCQs Insurance International Finance and Treasury MCQs Islamic Studies Machine Design MCQs Management Mass Transfer MCQs Mechanical Engineering Medical MS Office One Word Substitution MCQs Operating System Physiology Mcqs PPSC PPSC Past Papers Related Pair of Words MCQs Sentence Completion MCQs Software Engineering MCQs Sports MCQs SSC Synonyms MCQs Theory of machines MCQs UPSC

© 2026 GetMCQs.com – Competitive Exam MCQs & Quizzes • Built with GeneratePress