Directions How to Answer

Aptitude Test Topic: General Knowledge

General Knowledge Section consists of MCQs on World Geography, Atmosphere, Science and Literature, events, Current Affairs, Pakistan Affairs, and International Organizations.

Directions

The following are questions on Your General Knowledge. Select the correct option to represent your answer.

To give the answer click/tap the option alphabet for your answer choice. for correct answer green check and for wrong answer a red cross will appear along with a button to show explanation with or without video of the question answer.

General Knowledge: Atmosphere Practice MCQ

Question Statement:

Which of the following substances is not found in a clean air sample?

Oxygen

Nitrogen

Hydrogen

Helium

Explanation:

Correct Answer: A

Air is made up of nitrogen, oxygen, carbon dioxide and noble gases. Helium is a noble gas. Hydrogen does not belong to any of these categories.

Question: 7 Test: 1 of 3 Next Test

Tests

You are taking Aptitude Test No. 1

Each aptitude test is comprised of 10 except the last test which might have fewer than 10 in some topics.

You are at question (MCQ) number 7 and Test Number 1 of General Knowledge: Atmosphere. To deal with General Knowledge questions, you must take lesson on the subject. In case of science and Art subjects revise your text books and in case of general aptitude topics take lessons from the topic page.

The question: Which of the following substances is not found in a clean air sample? .... with options: Oxygen, Nitrogen, Hydrogen, Helium can be solved with the concepts and understanding of General Knowledge.