-
- of low atmospheric pressure there
- their diet and drinking water are deficient in iodine
- of low temperature
- of non-availability of sufficient amount of oxygen
Sciences MCQs
When milk is churned, the cream separates from it due to the _____.
-
- Centrifugal force
- Cohesive force
- Frictional force
- Gravitational force
Which one of the following elements is found common in glass, cement, china clay and quartz?
-
- Calcium
- Carbon
- Silicon
- Aluminium
The filament of an electric bulb is made of _____.
-
- Nichrome
- Iron
- Carbon
- Tungsten
Which one of the following statements in not correct?
-
- All stainless steels are non-magnetic
- All metals are good electrical conductors
- All steels are magnetic
- All plastics are good insulators of heat
Non-stick kitchenware is coated with _____.
-
- Teflon
- Glass
- Silicon
- Graphite
Which gas is used in the preparation of soft drinks?
-
- Oxygen
- Nitrogen
- Carbon dioxide
- Halogens
A woman’s voice is shriller than a man’s due to _____.
-
- Higher frequency
- Higher amplitude
- Lower frequency
- Weak vocal chords
Which one of the following units represents the largest amount of energy?
-
- Calorie
- Erg
- Joule
- Electron volt
Which one of the following would give the highest energy per gram?
-
- Glucose
- Proteins
- Sucrose
- Fats