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Cells:

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

All organisms are made up of _____, the smallest unit of life.

a)

organs

b)

cells

c)

atoms

d)

organelles

2.

Single-celled organisms that store their DNA in the cytoplasm are:

a)

prokaryotes

b)

eukaryotes

c)

probiotics

d)

euglena

3.

This encloses the cytoplasm and forms a barrier between the all cells and their environment

a)

cell wall

b)

cell membrane

c)

cytoplasm

d)

central vacuole

4.

Molecules are created when two or more of these basic units of matter chemically bond

a)

particles

b)

organs

c)

cells

d)

atoms

5.

Lipids are best described as

a)

ions

b)

fatty molecules used for storing energy

c)

long chains of amino acids

d)

polymers

6.

Long chains of chemically bonded amino acids form molecules called

a)

proteins

b)

lipids

c)

carbohydrates

d)

phospholipids

7.

This type of molecule is formed by carbon and water chemically bonding to form sugars, starches, and fiber

a)

lipid

b)

protein

c)

carbohydrate

d)

amino acid

8.

The organelle responsible for carrying out most of the process of cellular respiration is called the

a)

ribosome

b)

nucleus

c)

cell wall

d)

mitochondrion

9.

choose all of the organelles that plant cells have that animal cells do not

a)

cell wall

b)

cell membrane

c)

large central vacuole

d)

chloroplasts

e)

lysosome

10.

This organelle, only found in animal cells, helps break down worn out or damaged organelles

a)

ribosome

b)

lysosome

c)

mitochondrion

d)

endoplasmic reticulum

11.

In cellular respiration, the products are:

a)

carbon dioxide, water, and energy

b)

carbohydrates and water

c)

sunlight and water

d)

carbohydrates and oxygen

12.

This is the ability of cells and the body to maintain steady internal conditions

a)

homogeneous

b)

homeostasis

c)

homeopathic

d)

hominem

13.

This organelle is only found in plant cells and is responsible for photosynthesis

a)

chloroplast

b)

chlorophyll

c)

central vacuole

d)

lysosome

14.

The network of protein filaments that gives the cell shape and support is called the

a)

endoskeleton

b)

cytoskeleton

c)

exoskeleton

d)

Skeletor

15.

The organelle responsible for DNA storage in plant and animal cells is the

a)

nucleus

b)

nuclear fission

c)

nectar

d)

ribosome

16.

These are the specialized structures in cells that perform individual functions relatated to life processes in the cell.

a)

organs

b)

organelles

c)

organ systems

d)

organ players