Cells Science Test

Pick two structures which are only found in plant cells.

• nucleus

• cell wall

• cytoplasm

• chloroplasts

• cell membrane

The model below shows a type of cell. Which BEST describes the part that is labelled X in the diagram?

• Letter X is the membrane found only in plant cells.

• Letter X is the cytoplasm found only in animal cells.

• Letter X is the nucleus found in animal AND plant cells.

• Letter X is a chloroplast found in animal and plant cells.

Which of the following best explains how this piece of technology has helped scientists?

• It has helped scientists to see other planets.

• It has helped scientists to see other moons.

• It has helped scientists see very large objects.

• It has helped scientists see very small objects.

What is the structure labeled W?

• chloroplast

• cell wall

• cytoplasm

• nucleus

One characteristic of all living things is that they are made of units. What are these units called?

• Tissue

• Cells

• Organs

• Body Segments

Lexi uses a microscope to observe a part of a plant that is too small to see without magnification. What might she be studying with the microscope?

• plant cells

• plant leaves

• plant seeds

• plant stems

Which of the following correctly identifies the structures?

• W→ cytoplasm X→ cell membrane Y→ nucleus

• W→ nucleus X→ cell membrane Y→ cytoplasm

• W→ cell membrane X→ nucleus Y→ cytoplasm

• W→ nucleus X→ cytoplasm Y→ cell membrane

According to cell theory, of what are all organisms made?

• organelles that formed from a variety of cells

• tissues that perform a different function

• organs that all have different needs

• cells that all have similar needs

How is the structure of a plant cell different from the structure of an animal cell?

• Plant cells are smaller in size than animal cells.

• Plant cells have cell walls and animal cells do not.

• Plant cells are rounder in shape than animal cells.

• Plant cells have a nucleus and animal cells do not.

Use the information and table to answer the following question. A student observed an animal cell under the microscope with the following characteristics. OrganelleNucleusCell Membrane ? Organelle’s Role control center that directs the cell ?jelly-like structure that holds organelles in place Which of the following statements CORRECTLY finishes the student’s observations?

• The cell membrane’s role is to allow materials to enter and leave a cell. The jelly-like structure that holds organelles in place is the cytoplasm.

• The cell membrane’s role is to allow materials to enter and leave a cell. The jelly-like structure that holds organelles in place is the chloroplast.

• The cell membrane’s role is to maintain a rigid box-like structure. The jelly-like structure that holds organelles in place is the chloroplast.

• The cell membrane’s role is to maintain a rigid box-like structure. The jelly-like structure that holds organelles in place is the cytoplasm.