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WorksheetsScience Quiz for Grade 12 Students
Total questions: 20
Worksheet time: 10mins
What is the chemical symbol for gold?
Ag
Au
Pt
Fe
What is the process by which plants make their own food called?
Photosynthesis
Transpiration
Respiration
Fermentation
What is the smallest unit of matter?
Cell
Atom
Molecule
Organism
What is the force that pulls objects towards the center of the Earth?
gravity
magnetism
centrifugal force
electromagnetism
What is the chemical formula for water?
H2O
2OH
O2H
HO2
What is the largest organ in the human body?
Lungs
Liver
Skin
Heart
What is the process by which plants release water vapor through their leaves called?
Evaporation
Transpiration
Condensation
Respiration
What is the process by which a liquid turns into a gas called?
Evaporation
Condensation
Solidification
Sublimation
Speed of light in vacuum is
3.o×10^4
3.0×10^8
3.0×10^3
3.0×10^9
What is the physical state of water at 373 Kelvin
Ice
Liquid
Solid
Water Vapour
What is the formula for Carbon tetra chloride
CCl4
CCl3
CCl
Cl3C
Bond angle of BF3 is
108
110
120
100
Which converts Mechanical energy into Electrical energy
Battery
Generator
Magnet
Solar
The colour of phenophalene indicator in basic solution is
Red
Pink
Blue
White
B.P. expansion in science is
Balance Pressure
Break point
Blood patallette
Blood pressure
Power houses of the cell are
Amoeba
Nucleus
Chloroplast
Mitochondria
Requirements of photosynthesis
Sunlight and chlorophyll
Water
Co2
All of the above
Word related to heart is
Dermatology
Cardiac
Nephrology
Neurology
Formula for speed
Distance × time
Displacement × time
Distance ÷ time
Distance - time
Atomic number of Argon
6
5
9
7
