711. All of the following statements are incorrect except:
A: Scientific work must be precise; accuracy is not essential
B: Precision and accuracy should go side by side in scientific work
C: Scientific work must be accurate; precision is not essential
D: Calculations must be made before any experiment
712. Instrument that measures the electric force _?
A: Hydrometer
B: Hygrometer
C: Ammeter
D: Voltmeter
713. A camera uses a _ to form an image.
A: Concave lens
B: Convex lens
C: Condenser lens
D: None of these
714. Humans can hear in the range of __ to __Hertz (Hz).?
A: 20 Hz to 20,000 Hz.
B: 10 Hz to 10,000 Hz.
C: 30 Hz to 30,000 Hz.
D: 40 Hz to 40,000 Hz.
715. Water vapor beyond the dew point results in____?
A: Hailstorm
B: Precipitation
C: Condensation
D: Formation of ice
716. Nearest galaxy to our Milky Way is _?
A: Andromeda
B: Messier 81
C: Triangulum
D: Whirlpool
717. Sunlight is made of_____ colors?
A: Five colors
B: Seven colors
C: Three colors
D: None of these
718. The major part of natural gas, petroleum, and coal consists of?
A: Chlorine
B: Carbon
C: CFC
D: Methane
719. To measure the specific gravity of milk, the instrument used is:
A. Hygrometer
B. Barometer
C. Lactometer
D. Hydrometer
720. One of the fundamental characteristics of living organisms is called:
A. Photosynthesis
B. Digestion
C. Excretion
D. Metabolism
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