Science multiple choice questions PDF
The position of an element in the Periodic Table is determined by its __________ number?
A. Electron
B. Proton
C. Neutron
D. Positron
The planet which is easily visible from the Earth is?
A. Mercury
B. Venus
C. Mars
D. Jupiter
The Great Spot is on the planet __________?
A. Saturn
B. Venus
C. Mars
D. Jupiter
1 light year =?
A. 9.5 × 106 km
B. 9.5 × 109 km
C. 9.5 × 1012 km
D. 9.5 × 1018 km
The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids.
A. Mars
B. Saturn
C. Uranus
D. Jupiter
The planets visible to us without using a telescope are __________?
A. 3
B. 4
C. 5
D. 6
According to Big Bang Theory, the Universe began about __________ billion years ago.
A. 10 – 20
B. 20 – 30
C. 30 – 40
D. 40 – 50
Biosensor is used to measure?
A. Blood glucose level
B. The body pH value
C. Amount of hemoglobin
D. Salinity in Urine
Einstein’s famous equation which states that mass and energy are interchangeable is?
A. E = mc2
B. E = cm2
C. M = ec2
D. M = ce2
What is Dry Ice?
A. Solid Oxygen
B. Solid Carbon Dioxide
C. Solid Hydrogen
D. Solid Nitrogen
Digestion of food is completed in the __________?
A. small intestine
B. large intestine
C. stomach
D. Liver
Carrot is good source of Vitamin _______?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
For proper formation of teeth, __________ is essential?
A. iodine
B. copper
C. fluorine
D. iron
Deficiency of __________ causes loss of appetite and poor growth?
A. zinc
B. iodine
C. copper
D. iron
Meteorology is the study of?
A. Seasons
B. Atmosphere
C. Air and sounds
D. Winds and clouds
The Carbon Dioxide in the atmosphere, by volume, is_______?
A. 0.039%
B. 3.9%
C. 13%
D. 30%
Diamond is an allotropic form of_______?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Silicon
The SI unit of Heat is________?
A. watt
B. Volt
C. Joule
D. Newton
The good sources of Vitamin-A are?
A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits
D. sea foods
The good sources of Vitamin-B Complex are?
A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits
D. sea foods
The good sources of Vitamin-C are________?
A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits
D. sea foods
The good sources of iodine are_______?
A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits
D. sea foods
The gas, commonly known as “laughing gas”, is
A. Carbon Dioxide
B. Sulfur Dioxide
C. Nitrous Oxide
D. Sodium Oxide
The source of oxygen in photosynthesis is
A. water
B. salts
C. minerals
D. glucose
The instrument used to measure wind speed is?
A. Anemometer
B. Barometer
C. Hydrometer
D. Hygrometer
The natural fats and oils are composed of_________?
A. Carbon, Hydrogen and Oxygen
B. Carbon, Hydrogen and Nitrogen
C. Carbon, Oxygen and Nitrogen
D. Hydrogen, Oxygen and Nitrogen
The energy value of food is measured in_______?
A. Joule
B. Calories
C. Tesla
D. Proteins
Wind energy is the __________ energy.
A. Potential
B. Transverse
C. Kinetic
D. Mechanical
Who is considered the founder of meteorology?
A. Aristotle
B. Plato
C. Einstein
D. Newton
Water covers __________ of the Earth’s surface?
A. 61%
B. 67%
C. 71%
D. 76%
In general, wind speed of 10 –13 kph caused_______?
A. minor or no damage
B. considerable damage
C. severe damage
D. extreme damage
Acid rain is mainly caused by emissions of __________ in the atmosphere?
A. Sulfur Dioxide and Potassium Nitrate
B. Sulfur and Charcoal
C. Nitrogen Oxide and Potassium Nitrate
D. Sulfur Dioxide and Nitrogen Oxide
About 50% of the Earth’s crust, including the waters on the Earth and atmosphere, is?
A. Oxygen
B. Cabon Dioxide
C. Silicon
D. Clay
The fourth state of matter is?
A. Water
B. Salts
C. Vapours
D. Plasma
The device used to convert Alternate Current into Direct Current is called?
A. Anemometer
B. Battery
C. Galvanometer
D. rectifier
In night, when photosynthesis is stopped, plants__________?
A. take in Carbon Dioxide
B. take in Oxygen
C. give off Carbon Dioxide
D. give off Oxygen
__________ are called the powerhouses of the cell?
A. Mitochondria
B. Vesicles
C. Lungs
D.Liver