436: The Muslims march seven times round the Kaaba as path of their Haj pilgrimage in the city of:
(a) Riyadh
(b) Mecca
(c) Rabat
(d) Jeddah
437: With reference to the blood in a normal person, which one of the following statements is correct?
(a) Compared to arteries, veins are less numerous and hold less of the body's blood at any given time
(b) Blood cells constitute about 70 per cent of the total volume of the blood
(c) White Blood Cells (WBC) are made by lymph nodes only
(d) The blood has more platelets than WBC
438: With reference to 'Organization for the Prohibition of Chemical Weapons (OPCW)', consider the following statements:
1. It is an organization of European Union in working relation with NATO and WHO.
2. It monitors chemical industry to prevent new weapons from emerging.
3. It provides assistance and protection to States (Parties) against chemical weapons threats.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
439: 'Water flows through a pipeline at a steady rate. At a point on the pipeline, water is withdrawn continuously through a branch line'.
Consider the following statements in this regard.
1. Pipe line beyond the branch line will not be full.
2. Flow velocity in the main line will be less after the branch line than before it.
3. Flow velocity in the main line beyond the branch line will become unsteady.
Of these statements
(a) 1 is true
(b) 2 is true
(c) 3 is true
(d) None is true
440: The Ravva offshore block, with great potential for oil, is located in
(a) Krishna-Godavari basin
(b) Cauvery basin
(c) Mahanadi basin
(d) Palar-Pennar basin