Grade 8 Science Quiz

What provides structural support and protection to the cell?

• Cytoplasm

• Cell membrane

• Chloroplast

• Cell wall

Which organelle is known as the powerhouse of the cell?

• Large Vacuole

• Chloroplast

• Mitochondria

• Nucleus

What is the primary function of the chloroplast?

• Waste storage

• Protein synthesis

• Photosynthesis

• Cell division

What is the gel-like fluid that fills the interior of the cell called?

• Cytoplasm

• Cell membrane

• Nucleus

• Vacuole

What is the role of the large vacuole in plant cells?

• Photosynthesis

• Storing nutrients

• Cell division

• Energy production

What does the cell membrane regulate?

• Energy production

• Photosynthesis

• Movement of substances

• Cell division

What is an element?

• A type of gas

• A compound of two or more elements

• A pure substance that cannot be broken down

• A mixture of substances

What is a compound?

• An element in solid state

• A pure substance

• A mixture of elements

• A substance formed from two or more elements

Which state of matter has particles that are far apart and move freely?

• Solid

• Liquid

• Gas

• Plasma

What is the atomic number of an element?

• The number of protons

• The number of neutrons

• The mass of the element

• The total number of particles