Year 8 Biology Quiz

How does an image appear when viewed through a microscope?

• Enlarged and upright

• Inverted and enlarged

• Smaller and inverted

• Upright and smaller

How do you calculate the magnification of a microscope?

• Add the magnifications of the eyepiece and objective lens

• Subtract the magnification of the eyepiece from the objective lens

• Multiply the magnifications of the eyepiece and objective lens

• Divide the magnification of the objective lens by the eyepiece

What are cells?

• The smallest unit of life

• A type of tissue

• A type of organ

• A type of organism

Which of the following is a characteristic of unicellular organisms?

• They are made up of many specialised cells.

• They are made of a single cell that performs all functions of life

• They don't require oxygen to survive

• They are always larger than multicellular organisms

What advantage do multicellular organisms have over unicellular organisms?

• They can live in more extreme environments.

• They can reproduce faster

• They only require one cell for survival

• Their cells can specialise to perform different functions, allowing for greater complexity and efficiency

What is the function of the cell membrane?

• Provides energy

• Controls what enters and leaves the cell

• Stores genetic information

• Produces proteins

What is the role of mitochondria in a cell?

• Photosynthesis

• Energy production

• Protein synthesis

• Cell division

What is the main function of chloroplasts?

• Cellular respiration

• Photosynthesis

• Protein synthesis

• Cell division

What is the primary function of the nucleus in a cell?

• Energy production

• Photosynthesis

• Storing genetic information

• Protein synthesis

What is a significant difference between plant and animal cells?

• Plant cells have a cell wall, animal cells do not

• Animal cells have chloroplasts, plant cells do not

• Plant cells have mitochondria, animal cells do not

• Animal cells have a cell wall, plant cells do not