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question_answer1)
An atom consists of three basic sub- atomic particles: electrons, protons and neutrons. Which of them would you not find in the nucleus?
A)
Electron done
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B)
Proton done
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C)
Neutron done
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D)
All of these done
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question_answer2)
The Milky Way is the galaxy that contains our solar system. The solar system is located within the disc, about 27,000 light years from the Galactic Centre, on the inner edge of one of the spiral-shaped concentrations of gas and dust called the _____ arm.
A)
Sagittarius done
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B)
Orion done
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C)
Keplerian done
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D)
Auriga done
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question_answer3)
Gunpowder is the earliest known chemical explosive. It was invented in the 9th century in China. Gunpowder is a mixture of
A)
Sulphur, charcoal and common sail done
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B)
Saltpeter, sugar and sodium hydroxide done
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C)
Sulphur, charcoal and potassium nitrate done
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D)
Potassium nitrate, sugar and table salt. done
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question_answer4)
Which of these chemical elements is the most abundant in our universe?
A)
Carbon done
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B)
Helium done
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C)
Hydrogen done
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D)
Oxygen done
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question_answer5)
Alexander Graham Bell is credited with patenting the first practical telephone. Many other inventions marked Bell?s later life, including groundbreaking work In which of the following?
A)
Optical telecommunications done
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B)
Aeronautics done
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C)
Hydrofoils done
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D)
All of these done
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question_answer6)
Distances in space cannot be measured using conventional measures such as kilometres and knots. Which of these is a unit of distance used to measure large distances of objects outside the solar system?
A)
Fathom done
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B)
Angstrom done
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C)
Parsec done
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D)
Dioptre done
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question_answer7)
This element exists as liquid at room temperature. It is a metal used in thermometers, barometers, fluorescent lamps; etc. it is commonly known as quicksilver. Which element is this?
A)
Silver done
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B)
Gold done
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C)
Mercury done
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D)
Tungsten done
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question_answer8)
The process by which a solid changes to gas without becoming a liquid Is called
A)
Vapourisation done
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B)
Sublimation done
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C)
Boiling done
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D)
Absorption. done
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question_answer9)
The area around the equator is of intense low pressure where the prevailing winds are calm, particularly in the Atlantic and Pacific Oceans. Indeed, the term has a nautical history. What is it called colloquially?
A)
Fohn done
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B)
Doldrums done
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C)
Horse latitudes done
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D)
Equatorial calm done
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question_answer10)
The first process of photography produced a highly detailed permanent photograph on a silver-plated sheet of copper. It was developed by a Frenchman after whom it was named in 1839. What was this called?
A)
Calotype done
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B)
Heliograph done
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C)
Daguerreotype done
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D)
Pantograph done
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question_answer11)
Aqua regia, literally 'king's water', is a yellow-orange fuming liquid. It was so named by alchemists because it could dissolve the noble metals, gold and platinum. What does it consist of?
A)
Hydrochloric acid and nitric acid done
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B)
Hydrofluoric acid and hydrochloric acid done
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C)
Hydrochloric acid and sulphuric acid done
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D)
Nitric acid and sulphuric acid done
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question_answer12)
This painless medical process makes use of computer-processed combinations of many X-ray images taken from different angles to produce cross-sectional (virtual "slices") of specific areas of a scanned object, allowing the user to see inside the object without cutting. What is it called?
A)
X-ray imaging done
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B)
Electroencephalography done
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C)
Electrocardiography done
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D)
Computer Aided Tomography done
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question_answer13)
Tungsten is a metal used in the filament of incandescent bulbs. What is the chemical symbol of Tungsten?
A)
W done
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B)
Tn done
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C)
Tu done
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D)
Wo done
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question_answer14)
Which of these metals is used in electroplating, a process that involves coating an object with a rust-proof substance?
A)
Iron done
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B)
Silver done
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C)
Sodium done
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D)
Zinc done
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question_answer15)
What are Java, Perl and Fortran?
A)
Types of plastics done
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B)
Computer programming languages done
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C)
Operating systems done
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D)
Types of coffee done
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question_answer16)
Which of these elements is needed to make nuclear energy and nuclear weapons?
A)
Sodium chloride done
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B)
Uranium done
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C)
Nitrogen done
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D)
Carbon dioxide done
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question_answer17)
Sound waves that cannot be heard by the human ear are aimed at the body. The organs reflect them back giving a three-dimensional image that can be studied on a monitor. What is this form of imaging called?
A)
Electrocardiography done
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B)
Electroencephalography done
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C)
Magnetic Resonance Imaging done
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D)
Ultrasound scan done
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question_answer18)
It is a thermosetting plastic which is used in making good quality table wares. It is fire-resistant material so, also used as a coating on firemen uniforms. What is it?
A)
Melamine done
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B)
Teflon done
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C)
Bakelite done
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D)
Nylon done
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question_answer19)
Fructose, raff nose, mannose and dextrose are different forms of
A)
Salt done
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B)
Ester done
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C)
Acid done
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D)
Sugar. done
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question_answer20)
This chemical has a strong sharp smell and is used in nail polish removers. What is this substance?
A)
Acetone done
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B)
Varnish done
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C)
Turpentine done
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D)
Linseed oil done
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question_answer21)
Which of the following is based on the principle of formation of many images by mirrors placed at fixed angles to each other?
A)
Telescope done
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B)
Kaleidoscope done
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C)
Periscope done
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D)
Microscope done
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question_answer22)
In nature, this simple organic acid is found in the sting of many in sects, particularly ants after which it is named. What is it called?
A)
Benzole acid done
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B)
Formic acid done
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C)
HyaSuronic acid done
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D)
Sulphuric acid done
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question_answer23)
Fill in the blank with the correct option. Gravitational force acts between _____.
A)
Sun and planets only done
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B)
Earth and heavenly bodies only done
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C)
All the bodies in the universe done
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D)
Sun and Earth only done
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question_answer24)
Which of the following combustible substances has the lowest ignition temperature?
A)
Kerosene done
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B)
Coal done
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C)
Plastic done
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D)
Wood done
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question_answer25)
This element catches fire when it comes in contact with oxygen and moisture. To prevent this, it must be stored in kerosene. Name the element.
A)
Gold done
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B)
Magnesium done
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C)
Sodium done
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D)
Iron done
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