A. For measuring sound in water
B. To detect the presence of hydrogen in the atmosphere
C. To detect the changes in atmospheric humidity
D. For measuring the specific gravity of liquids

A. Coal Gas
B. Compressed Natural Gas (CNG)
C. Liquefied Petroleum Gas (LPG)
D. Water Gas

A. Rises
B. Can be any of these
C. Remains constant
D. Falls

A. 6 month
B. 4 month
C. 1 year
D. 1 month

A. remain the same everywhere
B. decrease everywhere
C. increase everywhere
D. increase at some places and remain the same at other places

A. Maximum
B. Minimum
C. Zero
D. None of these

A. Gravitational forces
B. Exchange forces
C. Magnetic forces
D. Coulombic forces

A. Coal
B. Diesel
C. Radium
D. Uranium

A. Thigh
B. Vertebral column
C. Rib cage
D. Arm

A. 48 (24 pairs)
B. 44 (22 pairs)
C. 42 (21 pairs)
D. 46 (23 pairs)

A. Cornea
B. Lens
C. Iris
D. Retina
Your Answer : B
Correct Answer: C

A. Collagen
B. Hemoglobin
C. Lectin
D. Keratin

A. Thalamus
B. Medulla
C. Hypothalamus
D. None of these

A. Filtration
B. Distillation
C. Evaporation
D. Decantation

A. Heating
B. Magnetic Separation
C. Hand picking
D. Sublimation