- Barometer
- Hydrometer
- Nanometer
- None of these
- d
-
Barometer is used to measure Atmospheric Pressure.
Hydrometer is used to measure specific Gravity.
Nanometer is used to measure very small things.
Rainfall Guage is used to measure Rainfall.
- Convex lens
- Concave lens
- Curved lens
- None of these
-
Concave lens is thicker at the edges and thinner at the center.
Convex lens is thinner at the edges and thicker at the center.
- Pakistan
- Malaysia
- Kenya
- None of these
- c
-
Equator passes through 13 countries.
- Vitamin A
- Vitamin B
- Vitamin D
- Vitamin E
- c
-
Vitamin is also obtained from fish.
- Oximeter
- Thermometer
- Spirometer
- None of these
- a
- Venus
- Mercury
- Venus
- None of these
- b
-
Mercury rotation period around Sun is 87.97 earth days.
- Methane
- Ammonia
- Nitrogen
- None of these
- b
- TV waves
- Infrared waves
- Radio waves
- None of these
- b
-
Infrared waves are also called Infrared light.
- Hair fall
- Rickets
- Night blindness
- None of these
- c
-
Deficiency of Vitamin C is a cause of Rickets.
Deficiency of Vitamin D is a cause of hair fall.
- 2.7 litres
- 3.7 litres
- 4.7 litres
- None of these
- b
-
According to US National Academy of Sciences, Engineering and Medicine that a man can intake about 15.5 cups of fluids a day.