UPSC Government Jobs Exams

Consider the following:
1. Photosynthesis
2. Respiration
3. Decay of organic matter
4. Volcanic action
Which of the above add carbon dioxide to the carbon cycle on Earth? UPSC 2011 (CS-P)

1 and 4 only
2 and 3 only
2, 3 and 4 only
1, 2, 3 and 4

Read Solution (Total 1)

UPSC Other Question

Consider the following:
1. Carbon dioxide
2. Oxides of Nitrogen
3. Oxides of Sulphur
Which of the above is/are the emission/emissions from coal combustion at thermal power plants? [UPSC 2011 (CS-P)]

1 only
2 and 3 only
1 and 3 only
1, 2 and 3
Statements:
H @ I, I # L, L ÚA, A $ Q
Conclusions:
I.H # L
II.HÚL
III.Q # H)