EASY GRADE 11

What is the boiling point of water at standard atmospheric pressure?

• 50°C

• 75°C

• 100°C

• 150°C

What gas do plants take in during photosynthesis?

• Oxygen

• Carbon dioxide

• Nitrogen

• Helium

Which planet is closest to the Sun?

• Earth

• Venus

• Mercury

• Mars

What is the unit of electric current in the International System of Units (SI)?

• Joule

• Volt

• Ohm

• Ampere

What is the primary pigment involved in photosynthesis?

• Carotene

• Chlorophyll

• Hemoglobin

• Melanin

Who formulated the laws of motion?

• Galileo Galilei

• Isaac Newton

• Albert Einstein

• Nikola Tesla

What layer of the Earth is made up of solid rock and is located below the crust?

• Mantle
• Lithosphere
• Crust
• Core

What is the atomic number of hydrogen?

• 1

• 2

• 8

• 10

What is the most abundant element in the universe?

• Oxygen

• Carbon

• Hydrogen

• Nitrogen

What is the hardest natural substance on Earth?

• Gold

• Diamond

• Silver

• Iron