General Science Page-10

91) What is the main component of bones and teeth?
(A) Calcium carbonate
(B) Calcium phosphate
(C) Potassium sulphate

92) What is the main constituent of hemoglobin?
(A) Iron
(B) Protein
(C) Carbohydrates

93) When sun appears vertically overhead at moon at equator, the time is called:
(A) Polinox
(B) Equikox
(C) Equinox
(D) None of these

94) The blood clotting factor in human body is produced by:
(A) Kidney
(B) Spleen
(C) Liver
(D) Pancreas

95) Chemically finger nails are made up of:
(A) Protein
(B) Carbohydrates
(C) Potassium
(D) None of these

96) What connects the small brain with the spinal cord?
(A) Cerebellum
(B) Medulla Oblongata
(C) Thalamus
(D) Cerebrum

97) Which instrument is used to measure minute electrical currents?
(A) Seismograph
(B) Polygraph
(C) Manometer
(D) Galvanometer

98) Which device is used to measure specific gravity of a liquid?
(A) Barometer
(B) Ammeter
(C) Manometer
(D) Hydrometer

99) Which device is used to measure humidity?
(A) Tachometer
(B) Hydrometer
(C) Hygrometer
(D) Galvanometer

100) What splits light into its spectrum?
(A) Ionometer
(B) Spectrometer
(C) Manometer
(D) Stereoscope


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