1. A serve that strikes the net before falling into the receiver's court.
4. A protocol developed for the internet to get data from one network device to another.
7. A master's degree in library science.
11. The capital and largest city of Japan.
12. Any of various coarse shrubby plants of the genus Iva with small greenish flowers.
13. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
14. A condition (mostly in boys) characterized by behavioral and learning disorders.
15. A Chadic language spoken south of Lake Chad.
17. A nucleic acid that transmits genetic information from DNA to the cytoplasm.
18. A family of Sino-Tibetan languages spoken in southeastern Asia.
20. A logarithmic unit of sound intensity.
21. The blood group whose red cells carry both the A and B antigens.
22. An Indian side dish of yogurt and chopped cucumbers and spices.
26. A small cake leavened with yeast.
29. (informal) Roused to anger.
30. A sweetened beverage of diluted fruit juice.
31. An agency of the United Nations affiliated with the World Bank.
34. United States liquid unit equal to 4 quarts or 3.785 liters.
36. The basic unit of money in Bangladesh.
39. A heavy odorless colorless gas formed during respiration and by the decomposition of organic substances.
41. An associate degree in applied science.
44. The atomic weight of an element that has the same combining capacity as a given weight of another element.
45. South American armadillo with three bands of bony plates.
47. An independent agency of the United States government responsible for collecting and coordinating intelligence and counterintelligence activities abroad in the national interest.
50. A game in which numbered balls are drawn and random and players cover the corresponding numbers on their cards.
51. Title for a civil or military leader (especially in Turkey).
52. Extremely pleasing.
53. A feeling of strong eagerness (usually in favor of a person or cause).
54. A metric unit of volume or capacity equal to 10 liters.
55. A loose sleeveless outer garment made from aba cloth.

1. An accidental hole that allows something (fluid or light etc.) to enter or escape.
2. Tropical starchy tuberous root.
3. Scottish chemist noted for his research into the structure of nucleic acids (born in 1907).
4. The inner and thicker of the two bones of the human leg between the knee and ankle.
5. A sudden loss of consciousness resulting when the rupture or occlusion of a blood vessel leads to oxygen lack in the brain.
6. Having only superficial plausibility.
7. A polyvalent metallic element that resembles chromium and tungsten in its properties.
8. The month following March and preceding May.
9. A Russian river.
10. Someone who works (or provides workers) during a strike.
16. (Babylonian) God of storms and wind.
19. A constellation in the southern hemisphere near Telescopium and Norma.
23. A United Nations agency to promote trade by increasing the exchange stability of the major currencies.
24. A fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate.
25. Large burrowing rodent of South and Central America.
27. A public promotion of some product or service.
28. A flexible container with a single opening.
32. A flat wing-shaped process or winglike part of an organism.
33. The 7th letter of the Greek alphabet.
35. American professional baseball player who hit more home runs than Babe Ruth (born in 1934).
37. Cubes of meat marinated and cooked on a skewer usually with vegetables.
38. Jordan's port.
40. German industrialist who was the first in Germany to use an assembly line in manufacturing automobiles (1871-1948).
41. Not divisible by two.
42. Any of a number of fishes of the family Carangidae.
43. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
46. (Irish) Mother of the ancient Irish gods.
48. One of the most common of the five major classes of immunoglobulins.
49. A master's degree in fine arts.
50. A silvery soft waxy metallic element of the alkali metal group.