Which vaccine uses mRNA technology? MCQ with Answer and Explanation

Which vaccine uses mRNA technology?
A. Pfizer COVID-19 vaccine
B. Covaxin
C. Covishield
D. BCG
Answer: Option A
Solution (By JKSSB Mock Tests)
Pfizer and Moderna COVID vaccines use mRNA technology.

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Practice More Science and Technology Questions

Question #1
The first Indian to win Nobel Prize in Medicine was:
A. Mother Teresa
B. C.V. Raman
C. Hargobind Khorana
D. Amartya Sen

Correct Answer: Option C


Explanation:
Har Gobind Khorana won in 1968.

Question #2
Which of these is a major impact of Artificial Intelligence?
A. Reduction in electricity use
B. Lowering mobile phone costs
C. Building more roads
D. Increased automation in industries

Correct Answer: Option D


Explanation:
AI is increasingly used to automate repetitive tasks and optimize industrial workflows.

Question #3
What is the purpose of a 'Backup'?
A. To make the computer faster
B. To store copies of data to prevent loss
C. To access the internet
D. To improve visual quality

Correct Answer: Option B


Explanation:
Backups serve as a protective copy of important files in case of system failure.