Science for class 10

What is the chemical symbol for gold?
Au
Ag
Cu
Fe
Which of the following is a renewable energy source?
Solar power
Coal
Natural gas
Wind power
What is the largest planet in our solar system?
Jupiter
Saturn
Mars
Earth
What is the process by which plants convert sunlight into energy called?
Photosynthesis
Respiration
Transpiration
Germination
Which of the following is NOT a type of rock?
Granite
Marble
Diamond
Basalt
What is the smallest unit of matter?
Atom
Molecule
Cell
Proton
What is the main function of the respiratory system?
To transport oxygen to the body's cells
To digest food
To regulate body temperature
To filter waste from the blood
What is the formula for calculating density?
Density = mass/volume
Density = volume/mass
Density = mass x volume
Density = mass - volume
Which of the following is a conductor of electricity?
Copper
Rubber
Aluminum
Plastic
What is the largest organ in the human body?
Skin
Liver
Heart
Brain
What is the process by which plants release water vapor through their leaves called?
Transpiration
Evaporation
Condensation
Precipitation
What is the chemical symbol for oxygen?
O
H
C
N
What is the largest organ in the human digestive system?
Liver
Stomach
Small intestine
Large intestine
Which of the following is a greenhouse gas?
Carbon dioxide
Oxygen
Methane
Nitrogen
What is the process by which liquid water changes into water vapor called?
Evaporation
Condensation
Sublimation
Freezing
What is the function of red blood cells in the human body?
To transport oxygen
To fight infections
To produce hormones
To regulate body temperature
What is the formula for calculating speed?
Speed = distance/time
Speed = time/distance
Speed = mass x acceleration
Speed = force/area
Which of the following is NOT a type of electromagnetic radiation?
X-rays
Ultraviolet
Infrared
Gamma rays
What is the process by which plants produce food using sunlight called?
Photosynthesis
Respiration
Digestion
Fermentation
What is the function of the nervous system in the human body?
To transmit signals between different parts of the body
To pump blood
To break down food
To produce hormones
What is the chemical formula for water?
H2O
CO2
NaCl
CH4
Which of the following is a renewable resource?
Solar energy
Fossil fuels
Natural gas
Wind energy
What is the process by which an organism develops from a fertilized egg called?
Embryogenesis
Metamorphosis
Reproduction
Growth
What is the function of the skeletal system in the human body?
To provide support and protection for the body
To produce red blood cells
To regulate body temperature
To filter waste from the blood
Which of the following is NOT a phase of matter?
Solid
Liquid
Gas
Plasma
Energy
What is the formula for calculating work?
Work = force x distance
Work = distance/force
Work = mass x acceleration
Work = power/time
What is the function of the circulatory system in the human body?
To transport oxygen, nutrients, and hormones throughout the body
To break down food
To regulate body temperature
To produce antibodies
What is the chemical symbol for carbon?
C
Ca
Co
Cr
Which of the following is a non-renewable resource?
Coal
Solar energy
Wind energy
Natural gas
What is the process by which an organism produces offspring called?
Reproduction
Growth
Metabolism
Respiration
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