16- The term PVC used in plastic industry stands for
(A) Phospho vinyl chloride
(B) Phosphor vanadium chloride
(C) Polyvinyl carbonate
(D) Polyvinyl chloride
17- Ombudsman institution was originated in
18- The speed of sound is faster in
19- Life span of red blood cells is ___ days.
20- The number of milk teeth in man is
21- The main respiratory organ of whale is
(D) None of the above
22- Following is the main ingredient of cement.
23- Which of the following food gives more calories per unit of mass?
24- World Day for War Orphans, is marked on
(A) 5th January
(B) 6th January
(C) 7th January
(D) 8th January
25- Incandescent light bulbs are filled with
(B) Carbon Monoxide
26- Tender coconut water is rich in the following mineral?
(D) All of the above
27- World Tsunami Awareness Day is observed on
(A) 5th November
(B) 6th November
(C) 7th November
(D) 8th November
28- Which of the following chemical is used for artificial ripening of green fruit?
29- Which of the following vegetables has a much higher protein content than the others?
(B) Haricot beans
30- Which of the following vitamins dissolves in water?
16-(D), 17-(B), 18-(D), 19-(C), 20-(C), 21-(A), 22-(C), 23-(B), 24-(B), 25-(C), 26-(C), 27-(A), 28-(D), 29-(B), 30-(B)