431: What was the main reason for a great civil strife in Argentina recently?
(a) Ethnic conflict between the native Red Indian tribes and others
(b) Economic crisis due to huge public debt
(c) The issue of using native languages as medium of instruction in schools
(d) Clashes between government troops and secessionist groups
432: Why are dewdrops not formed on a cloudy night?
(a) Clouds absorb the radiation released from the Earths surface.
(b) Clouds reflect back the Earths radiation.
(c) The Earths surface would have low temperature on cloudy nights.
(d) Clouds deflect the blowing wind to ground level.
433: What is the correct chronological sequence of the following ?
I. Wood's Education Despatch
II. Macaulay's Minute on Education
III. The Sargeant Education Report
IV. Indian Education (Hunter Commission)
(a) II, I, IV, III
(b) II, I, III, IV
(c) I, II, IV, III
(d) IV, III, I, II
434: Three communicable diseases prevalent in developing countries caused by unsafe drinking water and bad sanitation are
(a) acute diarrhoea, cancer and gout
(b) malaria, acute diarrhoea and schistosomiasis
(c) onchocerciasis, leukaemia and arthritis
(d) rheumatism, malaria and AIDS
435: Which one of the following statements regarding starch and cellulose is not correct ?
(a) Both of them are of plant origin
(b) Both of them are polymers
(c) Both of them give colour with iodine
(d) Both of them are made up of glucose molecules