39. Oral polio vaccine was discovered by:
(a) Jonas Salk(b) Albert Sabin(c) Fleming(d) Darwin
39. Oral polio vaccine was discovered by: Read More »
38. The Scientific Study of aging is known as:
(a) Etiology (b) Gerontology(c) Osteology(d) Teratology
38. The Scientific Study of aging is known as: Read More »
37. Cryogenics is a science dealing with:
(a) High temperature(b) Low temperature(c) Friction and water(d) Growth of crystals
37. Cryogenics is a science dealing with: Read More »
36. Petrol engine was invented by:
(a) Nikolaus Otto(b) James Watt(c) Rudolf Diesel(d) None of these
36. Petrol engine was invented by: Read More »
35. Petrology deals with:
(a) Study of rocks in the earth’s crust (b) Study of formation of soils(c) Study of petroleum products(d) None of these
35. Petrology deals with: Read More »
34. One of the youngest sciences of the 20th century which deals with production, control and application of very low temperature is called:
(a) Cryptography(b) Cryogenics(c) Acarology(d) None of these application of very low temperature is called:
33. Study of life in outer space is:
(a) Endobiology(b) Exobi ology(c) Entrobiology(d) none of these
33. Study of life in outer space is: Read More »
32. Dendrology is associated with the study of:
(a) Worms(b) Animals(c) Woody plants(d) None of these
32. Dendrology is associated with the study of: Read More »
31. Who discovered that the earth was not the centre of the universe?
(a) Aristotle(b) Copernicus(c) Sir Isaas Newton(d) Darwin
31. Who discovered that the earth was not the centre of the universe? Read More »
30. Barometer was invented by:
(a) J.L.Baird(b) Torricelli(c) Watson(d) Darwin
30. Barometer was invented by: Read More »