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HAT Subject 2026 Environmental Chemistry Free Quiz 2
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HAT Subject 2026 Environmental Chemistry Free Quiz 2

Practice HAT Subject 2026 HEC Aptitude Test Environmental Sciences MCQs from Environmental Chemistry. Get instant results with Explanation.

11. What are CFCs?



12. What layer of the atmosphere contains the ozone layer?



13. What type of smog is formed by sunlight reacting with pollutants?



14. What type of smog is formed by burning coal?



15. What is particulate matter?



16. What measures the amount of oxygen consumed by microorganisms in water?



17. What measures the amount of oxygen required to chemically oxidize pollutants?



18. What heavy metals are toxic environmental pollutants?



19. What is the breakdown of substances by microorganisms?



20. What is the breakdown of substances by light?



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Instructions: Select one answer per question (you may skip questions). After submitting, you will see your score, correct answers, and explanations.

📋 HAT Subject Entry Test Information

HAT Subject Test

Conducting Body: Higher Education Commission (HEC)
Frequency: Quarterly | Time: 120 Minutes
Negative Marking: No

⚡ Official Test Pattern (Total: 100 MCQs):

Merit Formula: There is no single HEC merit calculation formula for HAT Subject Test. Universities determine their own merit criteria. Common weightages include: 30% Academic + 50% HAT + 20% Interview (only where specified by the university)

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❓ Frequently Asked Questions about HAT Subject

What is the merit calculation formula for HAT Subject?

There is no single HEC merit calculation formula for HAT Subject Test. Universities determine their own merit criteria. Common weightages include: 30% Academic + 50% HAT + 20% Interview (only where specified by the university)

How many MCQs does HAT Subject contain?

100 MCQs

Who conducts the HAT Subject?

Higher Education Commission (HEC)

What is the time duration for HAT Subject?

120 minutes

What is the subject breakdown for HAT Subject?

Computer Sciences (100 MCQs), Electrical Engineering (100 MCQs), Software Engineering (100 MCQs)