1796: Consider the following ecosystems:
1. Taiga
2. Tropical evergreen
3. Tropical deciduous
4. Tundra

The correct sequence in decreasing order of the albedo values of these ecosystems is
(a) 1, 4, 3, 2
(b) 4, 1, 2, 3
(c) 4, 1, 3, 2
(d) 1, 4, 2, 3
1797: To which Lodi Sultan does the given map relate and what town does the site marked A on the map represent ?

(a) Behlol Lodi, Jaunpur

(b) Sikandar Lodi, Aligarh

(c) Ibrahim Lodi, Jaunpur

(d) Ibrahim Lodi, Aligarh
1798: Which one of the following countries recently upgraded its defence agency to a full defence ministry?

(a) Switzerland
(b) Japan
(c) Italy
(d) Thierry Henry

1799: Ogaden region has been a source of conflict between which countries?

(a) Angola and Zambia
(b) Morocco and Algeri
(c) Ethiopia and Somalia
(d) Nigeria and Cameroon
1800: The chemical used as a 'fixer' in photography is

(a) sodium sulphate

(b) sodium thiosulphate

(c) ammonium persulphate

(d) borax