- (A) 0°C
- (B) 2°C
- (C) 4°C
- (D) -4°C
Exam preparation MCQs with answers
Practice Pakistan's most useful MCQs for competitive exams
Prepare for NTS, PPSC, FPSC and subject-wise tests with fresh multiple choice questions, clear options and quick answer reveal.
Latest MCQs
- (A) 0°C
- (B) -2°C
- (C) -4°C
- (D) None of above
- (A) Nitrogen Dioxide (NO2)
- (B) Chlorofluorocarbons (CFCs)
- (C) Methane (CH4)
- (D) High-fructose corn syrup (HFCs)
- (A) Koyoto protocol
- (B) Ottawa treaty
- (C) Montreal protocol
- (D) Oslo Accord
- (A) 1409.34
- (B) 1509.34
- (C) 1609.34
- (D) None of Above
- (A) Treaty among nations to reduce nuclear arsenals
- (B) Climate control treaty
- (C) Treaty to protect ozone layer
- (D) Trade policy about tarrifs
- (A) 400 to 800 ppm
- (B) 4000 to 8000 ppm
- (C) 0.4 to 0.5 ppm
- (D) 4 to 5 ppm
- (A) due to presence of dust in air
- (B) carbon dioxide and water in clouds react to form carbonic acid
- (C) Ozone depletion
- (D) All of these
- (A) Sulphur dioxide
- (B) Carbon dioxide
- (C) Nitrogen dioxide
- (D) CFC’s
- (A) 550
- (B) 2500
- (C) 1,050
- (D) 10,000
