32. Milk … man with numerous valuable substances such as proteins, vitamins etc a) gives; b) provide; c) sypplies; d) provides 33. For centuries both meat and milk have been the main source of ….. for people. a) fiber; b) carbohydrate; c) protein; d) vitamins 34. The birds have been successfully … in captivity. a) developed; b) brought; c) reared; d) supplied 35. The plant absorbs nutrients from the … . a) air; b) water; c) sun; d) soil 36. The embryo grows by … division. a) nuclear; b) cell; c) organ; d) tissue 37. To be sure, scientists have created disease by inoculating animals with brain … from infected animals. a) nuclear; b) cell; c) organ; d) tissue 38. They had risen at 5.30 to do the ….. a) milk, b) milking, c) to milk, d) milkman 39. A side effect of morphine is decreased …, which can lead to death. a) sleep; b) circulation; c) respiration; d) hearing 40. At present is there is no known … for this virus. a) cure; b) antidote; c) treatment; d) illness 41. The results that we saw did not show the presence of any forms of … . a) bacterium; b) bacterial; c) bacterius; d) bacteria 42. Where do those kids get their …. from? a) work; b) liquid; c) energy; d) food 43. A large part of our income goes on animal … . a) food; b) foods; c) feed; d) feeds 44. All animals have a stomach, a structure that permits eating and … . a) digest; b) digestion; c) digested; d) indigestion 45. Arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, trytophan, and valine are main …. . a) amino acids; b) carbohydrets; c) proteins; d) minerals 46. The berries are … to birds. a) poison; b) poisonous; c) dead; d) deadly 47. A medical condition in which there are too few red cells in your blood is called …. a) anaemia; b) glycemia; с) pandemia; d) pneumonia 48. Nowadays farmers are trying to ... the people’s requirements in highly nutritive products. a) remain; b) obtain; c) complete; d) satisfy 49. Land that is covered with grass and is used for cattle, sheep etc to feed on is … . a) area; b) farm; c) stable; d) pasture 50. They include using … to make compost. a) plastic; b) metal; c) wood; d) straw