Topic 2 definitions - Levels, cells, molecules and movement

What is the basic building block of all living organisms?

• Organelle

• Cell

• Tissue

• Organ

What is a specialised structure found inside a cell?

• Organ

• Tissue

• Organelle

• Cell

What are aggregations of tissues performing specific functions called?

• Organs

• Cells

• Organ systems

• Organelles

What are groups of organs that work together to form organisms?

• Tissues

• Organ systems

• Cells

• Organelles

What is a group of cells with a similar structure and function called?

• Organ

• Tissue

• Organelle

• Cell

What is the process by which a cell becomes specialised to its function?

• Cell differentiation

• Cell division

• Cell respiration

• Cell synthesis

What is a partially permeable barrier that surrounds the cell?

• Cell wall

• Cell membrane

• Cytoplasm

• Nucleus

What is an outer, structural layer that surrounds some cells?

• Cell membrane

• Chloroplast

• Cell wall

• Ribosome

What is an organelle which is the site of photosynthesis?

• Mitochondria

• Ribosome

• Chloroplast

• Nucleus

What is a jelly-like substance that contains all the organelles of the cell?

• Cytoplasm

• Nucleus

• Ribosome

• Chloroplast