3736: What is the correct sequence of the following in a heart attack ?
I. Narrowing of the inner orifice of the vessel
II. Plaque from fibrous tissue and high cholesterol
III. Inadequate supply of blood and oxygen
IV. Clots of blood carried into the coronary arteries.
Choose the answer from the codes given below :
Codes:
(a) I, II, III, IV
(b) II, IV, I, III
(c) II, III, I, IV
(d) IV, II, I, III
3737: The only land-locked country in South-east Asia is
(a) Laos
(b) Thailand
(c) Malaysia
(d) Kampuchea
3738: Acid rain is caused by pollution of environment by:
(a) Carbon dioxide and nitrogen
(b) Carbon monoxide and carbon dioxide
(c) Ozone and carbon dioxide
(d) Nitrous oxide and sulphur dioxide
3739: A country is said to be in debt trap if
(a) it has to abide by the conditionalities imposed by the International Monetary Fund
(b) it has to borrow to make interest payments to on outstanding loans
(c) it has been refused loans or aid by creditors abroad
(d) the World Bank charges a very high rate of interest on outstanding as well as new loans
3740: Which of the following professional (s) are more likely to run the risk of a permanent change in their cell's DNA ?
I. Researchers using carbon-14 isotope
II. X-ray technician
III. Coal miner
IV. Dyer and Painter
Select the correct answer by using the codes given below :
(a) II alone
(b) I, II and III
(c) I, II and IV
(d) I, III and IV