Everyday Science MCQS Set-4 for preparation.
When an iron nail gets rusted, iron oxide is formed:
A. without any change in the weight of the nail
B. with a decrease in the weight of the nail
C. with an increase in the weight of the nail
D. without any change in color or weight of the nail
What are the soaps?
A. Esters of heavy fatty acids
B. Salts of silicates
C. Mixture of glycerol and alcohols
D. Sodium or potassium salts of heavier fatty acids
Knot is a unit of speed of which of the following?
A. Aeroplane
B. Lightwaves
C. Ship
D. Sound waves
Marsh gas is which of the following?
A. hydrogen
B. ethane
C. nitrogen
D. methane
Rayon is chemically:
A. cellulose
B. pectin
C. glucose
D. amylase
Reading of a barometer going down is an indication of which of the following?
A. snow
B. storm
C. rainfall
D. intense heat
The wavelength of X-rays is of the order of:
A. 1 cm
B. 1 m
C. 10 micron
D. 1 angstrom
Non stick cooking utensils are coated with:
A. Teflon
B. Black paint
C. PVC
D. Polystyrene
The element common to all acids is:
A. Hydrogen
B. Sulfur
C. Carbon
D. Oxygen
Which is/are the important raw material(s) required in cement industry?
A. Gypsum and Clay
B. Limestone and Clay
C. Clay
D. Limestone
The stars are mostly composed of which elements?
A. Hydrogen and Nitrogen
B. Hydrogen and Helium
C. Hydrogen and oxygen
D. Nitrogen and Helium
What does the color of the star reflect?
A. Shape
B. Temperature
C. Mass
D. Length
Which of the following was invented by J.B. Dunlop?
A. Rubber Boot
B. Bicycle
C. Rubber Tyre
D. Airplane
Which kinds of glass is used generally in making of the Bullet proof screens?
A. Pyrex glass
B. Jena glass
C. Reinforced Glass
D. Flint Glass
Which among the following lens is used to correct Presbyopia?
A. Bifocal
B. Concave
C. Convex
D. Cylindrical
A small, named group of fixed stars called:
A. Cluster
B. Constellation
C. Galaxy
D. Congregation
Bell metal is an alloy of which of the following?
A. Nickel and Copper
B. Zinc and Copper
C. Brass and Nickel
D. Tin and Copper
In fireworks, the green flame is produced because of:
A. Barium
B. Sodium
C. Mercury
D. Potassium
The gases used in different types of welding would include:
A. Oxygen and Hydrogen
B. Oxygen, Hydrogen, Acetylene, and Nitrogen
C. Oxygen, Acetylene, and Argon
D. Oxygen and Acetylene
Which among the following is used as a moderator in nuclear reactor?
A. Thorium
B. Radium
C. Ordinary water
D. Graphite
Decibel is the unit of:
A. Intensity of sound
B. Radio wave frequency
C. Speed of light
D. Intensity of heat
Fathom is the unit of which of the following?
A. Depth
B. Sound
C. Frequency
D. Distance
Isotopes are separated by:
A. Crystallization
B. Distillation
C. Sublimation
D. Filtration
Which rays are more penetrating?
A. Alpha rays
B. Beta rays
C. Gamma rays
D. X-rays
One fathom is equal to:
A. 6 meters
B. 60 feet
C. 100 cm
D. 6 feet
One kilometre is equal to how many miles?
A. 0.5
B. 0.46
C. 0.62
D. 1.6
Which are the two elements that are frequently used for making transistors?
A. boron and aluminum
B. iridium and tungsten
C. niobium and columbium
D. silicon and germanium
Which of the following are the ingredients of gun metal?
A. Iron, Zinc, Titanium
B. Copper, Tin, Zinc
C. Iron, Tin
D. Iron, Brass, Tin
Which radioactive pollutant has drawn to public, due to its occurrence in the building material?
A. Radium
B. Thorium
C. Plutonium
D. Radan
Bronze is an alloy of which of the following?
A. Copper and Zinc
B. Tin and Zinc
C. Copper and Tin
D. Iron and Zinc
The layer of atmosphere which affords protection to human beings against solar ultraviolet radiations is:
A. Troposphere
B. Stratosphere
C. Ionosphere
D. Exosphere
Heat radiation travels at a speed equal to:
A. Half the speed of light
B. Speed of light
C. Speed of sound
D. speed of Energy
The Period of famous Muslim scientists is:
A. 3rd-5th century
B. 6th century
C. 7th-13th century
D. 8th century
The unit “TON” to specify air conditioners is equal to:
A. 10,000 BTU/hour
B. 12000 BTU/hour
C. 16000 BTU/hour
D. 26000 BTU/hour
Which of the following is a Shooting star?
A. Sun
B. A Comet
C. A Meteor
D. An Asteroid
Mesons are found in which of the following?
A. Laser beam
B. X-rays
C. Gamma rays
D. Cosmic rays
Carbon, diamond and graphite are together called:
A. Isomers
B. Isomorphs
C. Isotopes
D. Allotropes
Galvanized iron sheets have a coating of:
A. Lead
B. Chromium
C. Tin
D. Zinc
Deep blue color is imparted to glass by the presence of which of the following?
A. Cobalt oxide
B. Nickel oxide
C. Cupric oxide
D. Iron oxide
Amalgams are _____.
A. highly colored alloys
B. alloys that contain mercury as one of the contents
C. alloys which have great resistance to abrasion
D. alloys which contain carbon
Nautical mile is a unit of distance used in:
A. astronomy
B. road mile
C. navigation
D. measuring the boundaries of a nation
In an atomic nucleus, neutrons and protons are held together by:
A. gravitational forces
B. coulombic forces
C. exchange forces
D. magnetic forces
Glass is made of the mixture of which of the following?
A. Quartz and Mica
B. Sand and Silicates
C. Salt and Quartz
D. Sand and Salt
Haematite, magnetite, limonite and siderite are types of which mineral?
A. Coal
B. Iron
C. Copper
D. Aluminium
What is the name of the combination of smoke and fog?
A. Smogra
B. Smogum
C. Smog
D. Smoga
The science of history of life is called:
A. Paleontology
B. Histology
C. Geography
D. Geology
What is the minimum distance required to hear an echo?
A. 10 meters
B. 13 meters
C. 17 meters
D. 21 meters
A simple microscope consists of which lenses?
A. a long-focus concave lens
B. a short-focus concave lens
C. a short-focus convex lens
D. a long-focus convex lens
The power we use at Home has a frequency of 60Hz. What would be the period of the sine wave?
A. 0.116 seconds
B. 0.0016 Microseconds
C. 0.0116 seconds
D. 0.0116 Microseconds
Which planet is the hottest planet of the solar system?
A. Mercury
B. Venus
C. Mars
D. Jupiter
What are the large group of asteroids that share the Jupiter’s orbit around the Sun, commonly called as?
A. Trojan asteroids
B. Dragon Asteroids
C. Migrant Asteroids
D. Queen Asteroids
What is the chemical name of Alcohol?
A. Sodium thiosulfate (Na₂S₂O₃·5H₂O)
B. Zinc Oxide (ZnO)
C. Calcium hypochlorite Ca(ClO)₂
D. Ethyl alcohol (C2H5OH)
What is the chemical name of China White?
A. Sodium thiosulfate (Na₂S₂O₃·5H₂O)
B. Zinc Oxide (ZnO)
C. Calcium hypochlorite Ca(ClO)₂
D. Ethyl alcohol (C2H5OH)
What is the chemical name of Bleaching Powder?
A. Sodium thiosulfate (Na₂S₂O₃·5H₂O)
B. Zinc Oxide (ZnO)
C. Calcium hypochlorite Ca(ClO)₂
D. Ethyl alcohol (C2H5OH)
What is the chemical name of Hypo?
A. Sodium thiosulfate (Na₂S₂O₃·5H₂O)
B. Zinc Oxide (ZnO)
C. Calcium hypochlorite Ca(ClO)₂
D. Ethyl alcohol (C2H5OH)
What is the chemical name of Laughing gas?
A. Deuterium Oxide (D2O)
B. Sucrose (C12H22O11)
C. Methane (CH₄)
D. Nitrous Oxide (N2O)
What is the chemical name of Marsh gas?
A. Deuterium Oxide (D2O)
B. Sucrose (C12H22O11)
C. Methane (CH₄)
D. Nitrous Oxide (N2O)
What is the chemical name of sugar?
A. Deuterium Oxide (D2O)
B. Sucrose (C12H22O11)
C. Methane (CH4)
D. Nitrous Oxide (N2O)
What is the chemical name of Heavy water?
A. Deuterium Oxide (D2O)
B. Sucrose (C12H22O11)
C. Methane (CH4)
D. Nitrous Oxide (N2O)
What is the chemical name of Sand?
A. Acaraj (3HCL + HNO3)
B. Calcium carbonate (CaCO3)
C. Methane (CH4)
D. Silicon Oxide (SiO2)
What is the chemical name of Marble?
A. Acaraj (3HCL + HNO3)
B. Calcium carbonate (CaCO3)
C. Methane (CH4)
D. Silicon Oxide (SiO2)
Dolomite is an ore of which metal?
A. Potassium
B. Sodium
C. Magnesium
D. Barium
Barium belongs to which metal group?
A. Alkaline Earth Metal
B. Rare-Earth Metals
C. Alkali Metals
D. Halogens
What is the chemical symbol for Iron?
A. Ir
B. Pb
C. Fe
D. Fu
Which metallic element has the property of catching fire if dropped in hot water?
A. Sulfur
B. Hydrogen
C. Sodium
D. Iron
What name is given to a mixture of bicarbonate and tartaric acid used in cooking?
A. Baking powder
B. Vinegar
C. Soda water
D. Black Pepper
Which Nutrient is present in Spinach?
A. Calcium
B. Vitamin K
C. Vitamin H
D. Vitamin D
Which vitamin is present in Orange?
A. Vitamin C
B. Vitamin K
C. Vitamin H
D. Vitamin D
Which Nutrient is present in Apple?
A. Vitamin C
B. Starch
C. Vitamin k
D. Vitamin D
Chicken egg is composed of how many cells?
A. One cell
B. Two Cells
C. Three Cells
D. Four Cells
Blotting paper absorbs ink because:
A. The force of gravitation acts between blotting paper and ink
B. It has a chemical affinity for ink
C. The action of Capillary
D. None of the Above
The function of the thermostat in a refrigerator is called:
A. To maintain the temperature
B. To lower the temperature
C. To increase the freezing point
D. To decrease the freezing point
The science which deals with the bird is called:
A. Entomology
B. Ornithology
C. Herpetology
D. Demonology
Arteries become hard due to the deposition of ___ in them.
A. Proteins
B. fats
C. Lipids
D. Carbohydrates
The diseases that spread through air are called:
A. Airborn disease
B. Zoonosis
C. Transmittable
D. Cyclonical disease
Name the organ responsible for the Food Storage in Plants?
A. Roots
B. Stem
C. Leaves
D. None of the Above
Name the organ responsible for the Blood Pumping?
A. Lungs
B. Kidney
C. Heart
D. Nervous System
Name the organ responsible for the Hormone Secretion?
A. Glands
B. Stomach
C. Glandular cells
D. Cervix
Name the organ responsible for the Reproduction in Humans?
A. Gonads
B. Glands
C. Cervix
D. Uterus