481: 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
482: There is a Parliamentary System of Government in India because the
(a) Lok Sabha is elected directly by the people
(b) Parliament can amend the Constitution
(c) Rajya Sabha cannot be dissolved
(d) Council of Ministers is responsible to the Lok Sabha
483: What is/are unique about 'Kharai camel', a breed found in India?
1. It is capable of swimming up to three kilometres in seawater.
2. It survives by grazing on mangroves.
3. It lives in the wild and cannot be domesticated.
Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
484: In which one of the following countries did an ethnic violence between the communities of Hema and Lendu result in the death of hundreds of people?
(a) Democratic Republic of Congo
(b) Indonesia
(c) Nigeria
(d) Zambia
485: The area of an ellipse is twice that of a circle. The major diameter of the ellipse is twice that of the minor diameter. The radius of the circle is
(a) 50% of minor diameter of the ellipse
(b) 50% of major diameter of the ellipse
(c) minor diameter of the ellipse
(d) major diameter of the ellipse