Y7 BIOLOGY REVISION

All living things are made up of one of more of the following:

• viruses

• cells

• paramecium

• cell walls

Which organelle is the control center of a cell?

• mitochondria

• ribosomes

• nucleus

• chloroplast

Which organelle is E?

• nucleus

• cell membrane

• vacuole

• cell wall

Which type of cell is pictured?

• plant cell

• animal cell

Which organelles store food and other materials needed by the cell?

• mitochondria

• chloroplasts

• ribosomes

• vacuoles

What organelle is J?

• cell wall

• vacuole

• chloroplasts

• nucleus

This organelle gives plants their green color and enables them to produce their own food.

• photosynthesis

• chloroplasts

• cell wall

• cytoplasm

For what purpose does the cell membrane allow certain types of matter to pass into the cell?

• To allow the cell to gain new traits.

• To provide the cell with heat and light.

• To provide the cell with the materials it needs.

• To allow the cell to reproduce by fusing with another cell.

What organelle is D?

• nucleus

• mitochondria

• vacuole

• chloroplasts

Which of the following best describes the function of the mitochondria?

• They store energy from food molecules.

• They convert energy from food molecules into energy the cell can use.

• They store energy from sunlight.

• They produce nucleic acids that release energy.