Environment & Ecology
3 questions available
FILTER BY SUBTOPIC
Showing 1–3 of 3
Q1.Burning of Fossil Fuels results in?
Hard
A
Emission of CO2 in air
B
Emission of oxygen in air
C
Emission of Nitrogen in air
D
None of the above
Global Warming PPSC
2026
Correct Answer: A
Q2.Which gas maintains the temperature in environment?
Hard
A
Oxygen
B
Nitrogen
C
Carbon Dioxide
D
None of these
Global Warming PPSC
2026
Correct Answer: C
Q3.Which gas is primarily responsible for the greenhouse effect on Earth?
Medium
A
Oxygen
B
Nitrogen
C
Carbon Dioxide
D
Argon
Global Warming FPSC
2025
Correct Answer: C
Correct Answer: Carbon Dioxide. Carbon dioxide, water vapor, and methane are primary greenhouse gases trapping infrared heat.