Science Unit 2 Lesson 1 Cells Key Words Review Question Preview (ID: 38733)


Key Words Vocab. TEACHERS: click here for quick copy question ID numbers.

The smallest unit of living matter.
a) organ
b)
c) cell
d) tissue

Many-celled organism, every cell carries out its own life processes. For example your heart muscle cells carry out their own life processes, and they work together to keep your heart beating.
a) unicellular
b) multicellular
c)
d)

Any living thing that can carry out its life on its own.
a) organism
b) cell
c) tissue
d)

One-celled organism is made of a single cell that carries out its life processes. This includes growing, responding to an environment, reproducing, and getting food.
a) unicellular
b) multi-cellular
c)
d)

A green chemical in plant cells that allows plants to use the sun's energy to make food.
a) cytoplasm
b)
c) chloroplasts
d) chlorophyll

A group of tissues working together to do a certain job.
a)
b) organ
c) cell
d) organism

A group of organs that work together to do a certain job.
a) organ system
b) organism
c)
d) tissue

A group of similar cells that work together at the same job.
a) cells
b)
c) tissue
d) organism

The food-making process in green plants that uses sunlight.
a) photosynthesis
b) chloroplasts
c) cytoplasm
d)

A group of similar organisms in a genus that can reproduce more of their own kind.
a) kingdom
b) species
c)
d)

Animal Cells are surrounded by a flexible wrapping called_____. It is a layer around the outside of a cell. It gives the cell it's shape and controls what materials move into and out of the cell.
a)
b) mitochondria
c) nucleus
d) cell membrane

The cell membrane is filled with a gel-like liquid called ______. It supports all the cell's structures and some of the cell's life processes take place in the _______.
a) nucleus
b) mitochondria
c) cytoplasm
d)

This is the cell's control center. It is large and round; usually found in the center of the cell. ______contains the master plans for all the cell's activities.
a) mitochondria
b) nucleus
c) cytoplasm
d)

Think of Tiny Power Plants that our oval, membrane covered organelles and supply energy for the cell. They break down food, which releases energy for the cell to use.
a) mitochondria
b) nucleus
c) cytoplasm
d)

This is a membrane covered structure used for storage. It can store water, food, and wastes. Some animal cells have many of these and some do not.
a)
b) cell membrane
c) mitochondria
d) Vacuoles

Plant cells have an additional outer covering around the outside of the cell. It is stiff and and provides the plant cell with strength and extra support.
a) cytoplasm
b) cell membrane
c) cell wall
d)

Plants make their own food in structures inside their cells called ______. It
a) cytoplasm
b) chloroplasts
c) vacuoles
d)

Which of the following is in the correct order, from simplest to most complex?
a) cells, tissues, organs, organism, organ systems
b) cells, tissue, organs, organ system, organism
c) cells, organs, tissues, organ systems, organism
d) cells, tissues, organ systems, organs, organism

Which of these three are structures found in a plant cell, but not an animal cell?
a) central vacuole, chloroplasts, cell walls
b) mitochondria, cell walls, nucleus
c) nucleus, mitochondria, cytoplasm
d) organelles, chloroplasts, nucleus

Which life processes do viruses carry out?
a) reproduction
b) movement
c) growth
d) use of energy

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