Year 8 Science - Cells Test

Cells are the basic building blocks of:

• plants, but not animals

• animals, but not plans

• all living things

• only a few parts within plants and animals

Which statement about cells is FALSE?

• cells in animals and plants work together to keep the organism alive

• muscle cells in humans are similar to those of an elephant

• no new cells are formed once you stop growing

• an adult human is made up of more than a trillion cells

Light travels through two lenses, one of magnification x10, and the next of magnification x20. What is the overall magnification of the microscope?

• x2

• x30

• x200

• x2000

A stain is sometimes added to a specimen to:

• make the cells look nicer under the microscope

• make the cell look transparent

• help the specimen stick to the slide more easily

• make the different parts of the cell easier to see

The part of a cell that is described as the 'control centre' and contains DNA is the:

• nucleus

• epicentre

• cytoplasm

• DNA

Cellular respiration occurs in the:

• nucleus

• mitochondria

• nerves

• muscles

Which of the following is one of the biggest differences between plant and animal cells?

• the presence of a cell wall

• the presence of a nucleus

• the presence of cytoplasm

• the presence of a cell membrane

Photosynthesis occurs in plants. Which of the following is a true statement about Photosynthesis?

• it occurs in the roots of the plants

• it produces carbon dioxide

• the energy source is the sun

• it needs glucose to occur

The cell wall of a plant cell:

• is instead of a cell membrane

• allows plant cells to move around

• is found inside the cell membrane

• provides structure and support for plants

The products of cellular respiration are:

• sugar and oxygen

• carbon dioxide and oxygen

• sugar and carbon dioxide

• carbon dioxide and water