Which of the following is the hardest natural substance on Earth? MCQ with Answer and Explanation

Question

Share Report Error

Which of the following is the hardest natural substance on Earth?

A. Gold

B. Diamond

C. Platinum

D. Iron

Answer: Option B

Solution (By JKSSB Mock Tests)

Diamond is an allotrope of carbon and is the hardest known natural mineral.

This question belongs to: Static General Knowledge Science and Technology

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Science and Technology Questions

Question #1

What is the primary application of mRNA technology in recent advancements?

A. Solar panels

B. Quantum chips

C. COVID-19 vaccines

D. Electric vehicles

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option C

Explanation:
mRNA technology was key in Pfizer and Moderna COVID-19 vaccines.

This question belongs to: Static General Knowledge Science and Technology

Question #2

What is a 'virus' in computer technology?

A. A type of malicious software

B. A hardware component

C. An operating system update

D. A cloud storage service

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option A

Explanation:
A computer virus is a type of malicious software that replicates itself to damage files or systems.

This question belongs to: Static General Knowledge Science and Technology

Question #3

Which element is common to all organic compounds?

A. Iron

B. Nitrogen

C. Oxygen

D. Carbon

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
Organic chemistry is primarily defined as the chemistry of carbon compounds.

This question belongs to: Static General Knowledge Science and Technology

Explore All Science and Technology MCQs