Everyday Science MCQs Part IX
91 What gives flowers their scent?
Oils in the petals
92 A substance used to destroy micro-organisms and render the material sterile is called
A disinfectant
93 Sleeping sickness is caused by a
Protozoan
94 The organic nutrient with the highest calorific value is
Fat
95 The Vitamin associated with the clotting of the blood is
Vitamin K
96 The brain centre for the control of breathing is in the
Medulla
97 The combination of a red glass plate and a blue glass plate will transmit
Virtually no light
98 Modern classifications of plants and animals is based on a system devised by
Linnaeus
99 Radio waves are much like
Light waves
100 The normal period of time for one complete cardiac cycle in an adult is about
0.8 Seconds
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