4536: 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
4537: Which of the following are associated with diabetes mellitus, a common disease in adults ?
I. Higher sugar level in blood
II. Lower sugar level in blood
III. Lower insulin level in blood
IV. Higher insulin level in blood
Select the correct answer by using the codes given below :
Codes :
(a) II and IV
(b) I and II
(c) II and III
(d) I and III
4538: Match List I with List II and select the correct answer using the codes given below the Lists :
List I --- List II
(Local bodies) --- (States as in 1999)
I. Zila Parishads at the sub-divisional level --- (A) Andhra Pradesh
II. Mandal Praja Parishad --- (B) Assam
III. Tribal Councils --- (C) Mizoram
IV. Absence of Village Panchayats --- (D) Meghalaya
Codes:
(a) I-B, II-A, III-D, IV-C
(b) I-A, II-B, III-D, IV-C
(c) I-C, II-B, III-A, IV-D
(d) I-B, II-A, III-C, IV-D
4539: Which of the following is a balanced fertiliser for plants?
(a) Urea
(b) Ammonia sulphate
(c) Nitrates
(d) Compost
4540: Who of the following scientists proved that the stars with mass less than 1.44 times the mass of the Sun end up as White Dwarfs when they die?
(a) Edwin Hubble
(b) S. Chandrashekhar
(c) Steven Weinberg
(d) Stephen Hawking