71 Digested food in the blood is carried by the

Plasma

72 The percent of glucose present in normal urine is

Zero (0%)

73 Motorists may use a mixture of alcohol and water in automobile cooling system because the mixture has a low

Freezing temperature

74 If two parallel lines carry current in the same direction, then they

Attract one another

75 Streptomycin is an example of

Antibiotic

76 A plant’s system to raise water up is least affected by the

Thickness of its bark

77 The scientist who discovered neutrons was

Chadwick

78 Temporary magnets are made of

Soft Iron

79 Tubercle bacilli were isolated by

Robert Koch

80 The device to record and then reproduce the dictation taken is

Dictaphone