Animal cells: common structures and specialised cells | Starter Quiz | Oak National Academy

What does this picture show?

• plant leaf

• blood vessel

• animal cell

• DNA

Answer explanation

The image is a model animal cell; we use 2D models to simplify cell structures.

Which of the following is not a sub-cellular structure?

• nucleus

• cell membrane

• mitochondria

• organ

Answer explanation

An organ is a collection of different tissues. The nucleus, cell membrane and mitochondria are all sub-cellular structures you find in the model animal cell.

Name the gas that is transported around the body inside the red blood cells?

Answer explanation

We breathe in oxygen and it diffuses through the alveoli in the lungs and into the red blood cells.

What is the name of the genetic material found inside the nucleus?

• cytoplasm

• DNA

• ribosomes

• mitochondria

Answer explanation

All of the options except DNA are sub-cellular structures found within cells. DNA is the genetic material found within the nucleus.

Which cellular process takes place inside the mitochondria?

• photosynthesis

• protein synthesis

• aerobic respiration

• fertilisation

Answer explanation

Aerobic respiration occurs inside the mitochondria; most of the cells' energy is transferred by respiration.

Which structure is labelled below?

• ribosome

• nucleus

• cell membrane

• mitochondrion

• chloroplast

Answer explanation

The circled structure is a ribosome. Ribosomes are the site of protein synthesis.