By: D.K. Choudhary
Q.1 What apparatus is used to locate a submerged object? (SSC 2003)
(1) Radar (2) Sonar
(3) Quasar (4) Pulsar
Ans. (2)
Q.2 The instrument which uses sound waves to measure the depth of oceans is? (SSC 2003)
(1) Radar (2) Sonar
(3) Altimeter (4) Venturimeter
Ans. (2)
Q.3 Which combination of colour is the most convenient during day and night time? (SSC 2003)
(1) Orange and blue (2) White and black
(3) Yellow and blue (4) Red and green
Ans. (4)
Q.4 The instrument that measures and records the relative humidity of air is? (SSC 2003)
(1) Hydrometer (2) Hygrometer
(3) Lactometer (4) Barometer
Ans. (2)
Q.5 Milk is a colloidal system in which? (SSC 2002)
(1) Water is dispersed in fat. (2) Fat is dispersed in water.
(3) Fat and water are dispersed in each other (4) Fat is dissolved
Ans. (2)
Q.6 The enzyme that converts glucose to ethyl alcohol is? (SSC 2002)
(1) Invertase (2) Maltase
(3) Zymase (4) Diastase
Ans. (3)
Q.7 Silk fibre chemically is? (SSC 2002)
(1) Carbohydrate (2) Fat
(3) Protein (4) Cellulose
Ans. (3)
Q.8 Who developed Hydrogen Bomb? (SSC 2002)
(1) Wernher Von Braun (2) J. Robert Oppen Helmer
(3) Edward Teller (4) Samuel Cohen
Ans. (3)
Q.9 Kidney disease in man is caused by pollutant? (SSC 1999)
(1) Cadmium (2) Iron
(3) Cobalt (4) Carbon
Ans. (1)
Q.10 Fruits of this plant are found underground? (SSC 1999)
(1) Potato (2) Carrot
(3) Groundnut (4) Onion
Ans. (3)