2086: 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
(a) 1 and 4 only
(b) 2 and 3 only
(c) 2, 3 and 4 only
(d) 1, 2, 3 and 4
2087: Which of the following pairs are correctly matched ?
List-I----------List-II
(Period)----------(Wars)
1. AD 1767-69----First Anglo Maratha War
2. AD 1790-92----Third Mysore War
3. AD 1824-26----First Anglo-Burmese War
4. AD 1845-46----Second Sikh War
(a) 2 and 4
(b) 3 and 4
(c) 1 and 2
(d) 2 and 3
2088: The Indo-Greek kingdom set up in north Afghanistan in the beginning of the second century BC was
(a) Bactria
(b) Scythia
(c) Zedrasia
(d) Aria
2089: Which one of the following is the correct sequence of the given continents in the decreasing order of their percentage of Earth's land?
(a) North America-Africa-South America-Europe
(b) Africa-North America-South America-Europe
(c) North America-Africa-Europe-South America
(d) Africa-North America-Europe-South America
2090: Which of the following pairs is incorrect?
(a) Nagarjunasagar : Andhra Pradesh
(b) Tungabhadra : Andhra Pradesh and Karnataka
(c) Farakka : West Bengal
(d) Kosi : Gujarat