Y9 Biology revision

All life is made from these building blocks

• Bones

• Cells

• Tissues

• Lego

Which of these are in the correct order, smallest to largest?

• Organ Systems, Organs, Tissues, Cells

• Tissues, Cells, Organs

• Organs, Cells, Tissues

• Cells, Tissues, Organs, Organ Systems

Which of these would you find in a plant cell but not an animal cell?

• Cell membrane

• Mitochondria

• Nucleus

• Cell wall

Which of these functions is performed by a cell wall?

• Acts as a filter

• Produces energy

• Keeps the cell's shape

• Keeps out diseases

Which of these functions is performed by a nucleus?

• Keeps out diseases

• provides energy

• Controls the cells activities

• Keeps the cell's shape

Which of these would you use to look at a cheek cell?

• An electron microscope

• A light microscope

• A magnifying glass

• A stereoscope

Which is the correct word equation for photosynthesis?

• Water + Carbon dioxide -----> Oxygen + Sugar

• Water + Carbon dioxide -----> Oxygen + Sugar + Water

• Water + Carbon monoxide -----> Oxygen + Sugar

• Water + Carbon dioxide -----> Water + Sugar

Enzymes are an example of

• Lipids

• Carbohydrate

• Protein

• Nucleic Acid

Tags

NGSS.MS-LS1-7

What is the purpose  of an enzyme?

• give permission for the reaction
• raise activation energy
• speed up reactions
• control how many reactions occur

Tags

NGSS.MS-LS1-7

Each enzyme only has 1 substrate that will fit its active site.  What is this called?

• reusable
• catalyst
• specific
• fragile