4456: Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth?
1. Volcanic action
2. Respiration
3. Photosynthesis
4. Decay of organic matter
Select the correct answer using the code given below.
(a) 1 and 3 only
(b) 2 only
(c) 1, 2 and 4 only
(d) 1, 2, 3 and 4
4457: Who was the founder of the Servants of India Society?
(a) G. K. Gokhale
(b) K. M. Roy
(c) M. K. Gandhi
(d) B. G. Tilak
4458: Which one of the following figures will generate a cone when rotated about one of its straight edges ?
(a) An equilateral triangle
(b) A sector of a circle
(c) A segment of a circle
(d) A right-angled triangle
4459: The Partnership for Action on Green Economy (PAGE), a UN mechanism to assist countries transition towards greener and more inclusive economies, emerged at
(a) The Earth Summit on Sustainable Development 2002, Johannesburg
(b) The United Nations Conference on Sustainable Development 2012, Rio de Janeiro
(c) The United Nations Framework Convention on Climate Change 2015, Paris
(d) The World Sustainable Development Summit 2016, New Delhi
4460: Which one of the following archaeologists initially discovered the Mohanjedaro site of the Indus valley civilisation?
(a) Sujohu Marshall
(b) Daya Ram Sahni
(c) Rakhal Das Banerji
(d) Sir Mortimer Wheeler