General Question

How many planets are there in a universe ?

• 7

• 8

• 9

• 10

Which of these is a solid?

• ice

• water

• wind

• mist

What is the chemical symbol for water ?

• CO2

• HO2

• H20

• O2

Which planet is knowns as the Red Planet

• Earth

• Jupiter

• Mars

• Venus

What is the boiling point of water at sea level ?

• 90 ' C

• 100 ' C

• 110 ' C

• 120'C

What is the primary source of energy for the Earth's climate system?

• The moon

• The sun

• Earth 's Cores

• Tidal Cores

Which of these is the smallest unit of matter?

• Molecule

• Atom

• Electron

• Proton

What is the most common element in the universe?

• Oxygen

• Nitrogen

• Hydrogen

• Helium

What is the hardest natural substance on Earth?

• Gold

• Silver

• Iron

• Diamond

Which part of the plant conducts photosynthesis?

• Root

• Stem

• Leaf

• Flower