Ecology and Environment
Ecology
MCQ (Single Correct Answer)Biodiversity
MCQ (Single Correct Answer)Government Legislature
MCQ (Single Correct Answer)Government Initiatives
MCQ (Single Correct Answer)International Convention
MCQ (Single Correct Answer)Miscellaneous
MCQ (Single Correct Answer)1
UPSC Civil Service Prelims Paper I 2022 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
In the context of WHO Air Quality Guidelines, consider the following statements :
1. The 24-hour mean of PM2.5 should not exceed 15 μg/m³ and annual mean of PM2.5 should not exceed 5 μg/m³.
2. In a year, the highest levels of ozone pollution occur during the periods of inclement weather.
3. PM10 can penetrate the lung barrier and enter the bloodstream.
4. Excessive ozone in the air can trigger asthma.
Which of the statements given above are correct?
2
UPSC Civil Service Prelims Paper I 2022 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Which of the following are nitrogen-fixing plants ?
1. Alfalfa
2. Amaranth
3. Chickpea
4. Clover
5. Purslane (Kulfa)
6. Spinach
Select the correct answer using the code given below :
3
UPSC Civil Service Prelims Paper I 2022 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
"Biorock technology" is talked about in which one of the following situations ?
4
UPSC Civil Service Prelims Paper I 2022 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
The "Miyawaki method" is well known for the :
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