Everyday Science Medium NTS Uploaded: 01 Sep 2026

Which of the following is the main constituent of biogas?

Correct Answer: Option A — Methane

Explanation:

Methane is the primary combustible component of biogas, produced from the anaerobic decomposition of organic matter.

0 views Back to Everyday Science

Submitted by: PaperMCQs

The device that converts sound into electrical signals is called:

Which of the following elements is essential for photosynthesis besides carbon and hydrogen?

Which of the following is a fat-soluble vitamin?

The unit of frequency is:

The pigment responsible for the green color in plants is:

Which of the following gases makes up the largest percentage of exhaled human breath?

Which of the following is used to sterilize surgical instruments?

Which of the following is used to measure the age of fossils?

The scientific name for the study of the atmosphere and weather is:

The process of forming new blood cells in the body occurs mainly in the: