Science and Technology
Basic Biology
MCQ (Single Correct Answer)Chemistry
MCQ (Single Correct Answer)Physics
MCQ (Single Correct Answer)Biotechnology
MCQ (Single Correct Answer)Nanotechnology
MCQ (Single Correct Answer)Disease
MCQ (Single Correct Answer)Electronics and Communication
MCQ (Single Correct Answer)Defence
MCQ (Single Correct Answer)Miscellaneous
MCQ (Single Correct Answer)1
UPSC Civil Service Prelims Paper I 2021 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Magnetite particles, suspected to cause neurodegenerative problems are generated as environmental pollutants from which of the following?
1. Brakes of motor vehicles
2. Engines of motor vehicles
3. Microwave ‘Stoves within homes
4. Power plants
5. Telephone lines
Select the correct answer using the code given below.
UPSC Civil Service Subjects
History of India
Science and Technology
Geography
Ecology and Environment
Indian Polity and Governance
Economy
Current Affairs
Comprehension
Basic Numeracy
Logical Reasoning and General Mental Ability
Data Interpretation and Sufficiency