Correct Answer : Lactometer
Lactometer is used for measuring the density (creaminess) of milk. It is essentially a hydrometer which is an instrument used to measure the specific gravity (or relative density) of liquids; that is, the ratio of the density of the liquid to the density of water.
Correct Answer : James Watt
James Watt was an 18th-century inventor and instrument maker. Although Watt invented and improved a number of industrial technologies, he is best remembered for his improvements to the steam engine.
Correct Answer : Charles Darwin
The theory of evolution is a shortened form of the term “theory of evolution by natural selection,” which was proposed by Charles Darwin and Alfred Russel Wallace in the nineteenth century
Correct Answer : 22 December
22 December is a special day for mathematics. This day is observed as National Mathematics Day to celebrate the achievements of Srinivasa Ramanujan. The legendary mathematician was born on this day in 1887. In 2012, then prime minister Manmohan Singh declared 22 December as National Mathematics Day.
Correct Answer : 212⁰F
Water boils at 100⁰C or 212⁰F at one atmosphere of pressure. Liquids boil when the pressure of the atmosphere is equal to the pressure of the liquid. When the pressure of the atmosphere is reduced a liquid boils at a lower temperature. This is what happens when you climb a mountain.
Correct Answer : Geology
Geology - Study of the structure of the Earth | Britannica.
Correct Answer : 12
In Western astrology, and formerly astronomy, the zodiac is divided into twelve (12) signs, each occupying 30° of celestial longitude and roughly corresponding to the constellations: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, and Pisces.
Correct Answer : Samuel Hahnemann
The main principle of homeopathy, a unique scientific system of medicine established by Samuel Hahnemann two centuries ago, is that of 'similia' or 'simile' (similarity), which means 'let likes be cured by likes'.
Correct Answer : fresh
Fresh water (or freshwater) is any naturally occurring water containing low concentrations of dissolved salts and other total dissolved solids. ... Fresh water may include water in ice sheets, ice caps, glaciers, icebergs, bogs, ponds, lakes, rainfall, rivers, streams, and groundwater contained in underground aquifers.
Correct Answer : Research on gravitational waves
The Laser Interferometer Gravitational-Wave Observatory (LIGO) - India is a planned advanced gravitational-wave observatory to be located in India as part of the worldwide network, whose concept proposal is now under active consideration in India and the USA.
