Science 2nd Quiz

Which part of plant is responsible for photosynthesis?

• Roots

• Stems

• leaves

• flowers

Which of following is an example of chemical change?

• Melting of ice

• Dissolving sugar in water

• Burning wood

• Breaking glass

What is the force that pulls object towards Earth?

• Gravity

• Magnetism

• Friction

• Buyoncy

What is function of Heart in circulatory system?

• To digest food

• To produce red blood cells

• To pump blood throughout the body

• To filter waste from body

Which of following is an example of Insulator?

• Copper

• Water

• Wood

• Iron

What is the main component of Earth Atmosphere?

• Nitrogen

• Oxygen

• Carbon dioxide

• Argon

Which planet is closest to Sun?

• Earth

• Venus

• Mercury

• Mars

Which of following is conductor of electricity?

• Rubber

• Wood

• Copper

• Glass

Which of following is the largest organ of human body?

• Heart

• liver

• Skin

• Lungs

What do we call the change from liquid to gas?

• Condensation

• Freezing

• Melting

• Evaporation