General science mcqs for class first to eight pdf
What is the hardest substance found on Earth?
a) Gold general science mcqs for class first to eight pdf
b) Diamond general science mcqs for class first to eight pdf
c) Iron general science mcqs for class first to eight pdf
d) Silver general science mcqs for class first to eight pdf
Correct answer: b) Diamond
What is the chemical symbol for water?
a) O2 general science mcqs for class first to eight pdf
b) H2O general science mcqs for class first to eight pdf
c) CO2 general science mcqs for class first to eight pdf
d) NaCl general science mcqs for class first to eight pdf
Correct answer: b) H2O
Which planet is known as the “Red Planet”?
a) Venus general science mcqs for class first to eight pdf
b) Mars general science mcqs for class first to eight pdf
c) Jupiter general science mcqs for class first to eight pdf
d) Saturn general science mcqs for class first to eight pdf
Correct answer: b) Mars
What is the process by which plants make their food?
a) Photosynthesis
b) Respiration
c) Digestion
d) Fermentation
Correct answer: a) Photosynthesis
What is the unit of electric current?
a) Volt
b) Watt
c) Ampere
d) Ohm
Correct answer: c) Ampere
In the below option _______ is the boiling point of water in Celsius.
a) 0°C
b) 100°C
c) -10°C
d) 50°C
Correct answer: b) 100°C
What is the chemical symbol for gold?
a) Au
b) Ag
c) Fe
d) Cu
Correct answer: a) Au
Which gas do plants absorb during photosynthesis?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen
Correct answer: b) Carbon dioxide
What is the largest organ in the human body?
a) Heart
b) Liver
c) Skin
d) Brain
Correct answer: c) Skin
What is the chemical symbol for iron?
a) Ir
b) Fe
c) In
d) I
Correct answer: b) Fe
Which planet is closest to the Sun?
a) Earth
b) Venus
c) Mercury
d) Mars
Correct answer: c) Mercury
________ force that pulls objects towards the center of the Earth.
a) Gravity
b) Magnetism
c) Friction
d) Inertia
Correct answer: a) Gravity
What is the unit of measurement for force?
a) Newton
b) Joule
c) Watt
d) Kilogram
Correct answer: a) Newton
What is the powerhouse of the cell?
a) Nucleus
b) Mitochondria
c) Ribosome
d) Golgi apparatus
Correct answer: b) Mitochondria
What is the process by which plants release water vapor into the atmosphere?
a) Photosynthesis
b) Respiration
c) Transpiration
d) Condensation
Correct answer: c) Transpiration
Which of the following is not a renewable source of energy?
a) Solar
b) Wind
c) Coal
d) Hydroelectric
Correct answer: c) Coal
What is the chemical symbol for oxygen?
a) O
b) O2
c) H
d) CO2
Correct answer: a) O
By ________ process solid converting into a gas without passing through the liquid state called.
a) Sublimation
b) Melting
c) Condensation
d) Evaporation
Correct answer: a) Sublimation
Which part of the eye controls the amount of light entering?
a) Cornea
b) Pupil
c) Lens
d) Retina
Correct answer: b) Pupil
By ____ process food turning into energy.
a) Digestion
b) Fermentation
c) Respiration
d) Photosynthesis
Correct answer: c) Respiration
Which of the following is a greenhouse gas?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Helium
Correct answer: c) Carbon dioxide
What is the chemical symbol for sodium chloride?
a) NaCl
b) HCl
c) KCl
d) Na2Cl
Correct answer: a) NaCl
What is the process of plants bending towards light called?
a) Phototropism
b) Geotropism
c) Hydrotropism
d) Thigmotropism
Correct answer: a) Phototropism
What is the main component of the Earth’s atmosphere?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
Correct answer: b) Nitrogen
What is the study of living organisms called?
a) Geology
b) Biology
c) Chemistry
d) Physics
Correct answer: b) Biology
By _____ process plants make their own food using sunlight, water and chlorophyll.
a) Digestion
b) Photosynthesis
c) Fermentation
d) Respiration
Correct answer: b) Photosynthesis
Which gas do humans breathe out during respiration?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen
Correct answer: b) Carbon dioxide
What is the chemical symbol for carbon?
a) C
b) Co
c) Ca
d) Cu
Correct answer: a) C
Which of the following is not a mammal?
a) Cat
b) Dog
c) Eagle
d) Whale
Correct answer: c) Eagle
What is the primary function of the heart?
a) Pump blood
b) Digest food
c) Filter air
d) Produce hormones
Correct answer: a) Pump blood
What is the unit of measurement for temperature in the metric system?
a) Fahrenheit
b) Kelvin
c) Celsius
d) Rankine
Correct answer: c) Celsius
In the below options which color is a primary color of light.
a) Red
b) Black
c) White
d) Brown
Correct answer: a) Red
What is the chemical symbol for helium?
a) H
b) He
c) Ho
d) Hy
Correct answer: b) He
______ is a renewable source of energy.
a) Coal
b) Natural gas
c) Solar
d) Petroleum
Correct answer: c) Solar
In below options ,_______ process of a liquid turning into a gas at a temperature below its boiling point.
a) Condensation
b) Evaporation
c) Sublimation
d) Freezing
Correct answer: b) Evaporation
Which of the following is not a layer of the Earth?
a) Crust
b) Core
c) Mantle
d) Ionosphere
Correct answer: d) Ionosphere
What is the chemical symbol for sodium?
a) S
b) So
c) Na
d) N
Correct answer: c) Na
____ is a property of acids.
a) Bitter taste
b) Turns blue litmus paper red
c) Slippery to touch
d) pH above 7
Correct answer: b) Turns blue litmus paper red
_______is the smallest bone in the human body.
a) Femur
b) Tibia
c) Stapes
d) Humerus
Correct answer: c) Stapes
What is the chemical symbol for potassium?
a) K
b) Po
c) Pt
d) Ka
Correct answer: a) K
Which of the following is a unit of electric charge?
a) Volt
b) Ampere
c) Coulomb
d) Ohm
Correct answer: c) Coulomb
What is the process by which plants absorb water through their roots called?
a) Transpiration
b) Photosynthesis
c) Osmosis
d) Respiration
Correct answer: c) Osmosis
What is the chemical symbol for silver?
a) Ag
b) Si
c) Au
d) Al
Correct answer: a) Ag
What is the process of the Earth’s surface wearing away over time called?
a) Erosion
b) Sublimation
c) Sedimentation
d) Volcanism
Correct answer: a) Erosion