2466: 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
2467: Octopus is
(a) an arthropod
(b) an echinoderm
(c) a heimchordate
(d) a mollusc
2468: Which of the following statements is true about Annie Besant?
(i) She was the President of Indian National Congress
(ii) She was the founder of the Asiatic Society
(iii) She was the founder of the Theosophical Society
(a) (i) and (ii)
(b) (i) and (iii)
(c) (i) only
(d) (i), (ii) and (iii)
2469: Recently, several hundred South Africa soldiers were sent to Burundi
(a) to side with the Tutsi tribe in the country's civil war
(b) to side with the Hutu tribe in the ongoing ethnic conflict
(c) as a part of United Nations special force to keep control on the ethnic groups revolting against the government
(d) as South Africa's protection force to help mediate and agreement between warring groups of civil war
2470: The length, breadth and height of a room are 1, b and h respectively. The perimeter of the ceiling expressed as a percentage of the total area of the four walls is
(a) 100 h
(b) 100/h
(c) h
(d) h/100