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WorksheetsCells & biological molecules
Total questions: 28
Worksheet time: 31mins
Name
Class
Date
1.
Which structures are found in every living cell?
a)
cell membrane and cytoplasm
b)
chloroplasts and mitochondria
c)
a cell wall and nucleus
d)
chloroplasts and cell wall
2.
Which cell structure is found in plant and animals cells and controls what can come into or leave a cell?
a)
cell membrane
b)
cytoplasm
c)
nucleus
d)
vacuole
3.
Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do. What is the main function of the chloroplasts found in plant cells?
a)
to absorb light energy and manufacture food
b)
to remove waste materials by active transport
c)
to manufacture chemical energy from food
d)
to control the shape of the cell
4.
All cells need energy to function. Which cell organelle is responsible for producing energy in the cell?
a)
chloroplasts
b)
mitochondria
c)
nucleus
d)
vacuoles
5.
What is the function of a cell wall?
a)
to protect and support the cell
b)
to perform different functions in each cell
c)
to prevent water from passing through it
d)
to prevent oxygen from entering the cell
6.
Cells with a nucleus and membrane-bound organelles are called ____________________.
a)
prokaryotes
b)
eukaryotes
c)
bacteria
d)
protists
7.
Who was the first person to see cells under the microscope and give them their name?
a)
Mattias Schleiden
b)
Robert Hooke
c)
Theordor Schwann
d)
Anton van Leeuwenhoek
8.
What is a biological molecule?
a)
organic molecule found in any organism
b)
any living thing
c)
any nonliving thing
d)
the building block of life
9.
What are the four biological molecules?
a)
proteins, carbohydrates, lipids, nucleic acids
b)
A, T, C, G
c)
water, air, earth, and fire
d)
Joe, Nick, and Kevin Jonas
10.
A biological polymer that stores and transmits genetic information is a ...
a)
nucleic acid
b)
carbohydrate
c)
lipid
d)
protein
11.
A biological polymer made of amino acid monomers is a
a)
protein
b)
lipid
c)
carbohydrate
d)
nucleic acid
12.
What group of biological molecules contains DNA and RNA...
a)
Nucleic acids
b)
carbohydrates
c)
proteins
d)
lipids
13.
What is the primary function of carbohydrates in your body?
a)
Speed up chemical reactions.
b)
Give immediate energy.
c)
Help to store energy.
d)
Build cell walls in plants.
14.
A group of organic molecules that includes sugars, starch, and cellulose care called...
a)
proteins
b)
carbohydrates
c)
nucleic acids
d)
lipids
15.
A class of biological molecules whose defining characteristic is their relative insolubility in water. Examples of these include steroids, oils, fats, and fatty acids.
a)
protein
b)
monomer
c)
lipids
d)
glycogen
16.
A large, folded chain of amino acids.
a)
protein
b)
steroid
c)
monosaccharide
d)
enyzme
17.
Which of the following tests for starch?
a)
Iodine
b)
Benedict's
c)
Biuret
d)
Emulsion
18.
Which of the following tests for protein?
a)
Iodine
b)
Benedicts
c)
Biuret
d)
Emulsion
19.
Which of the following tests for glucose?
a)
Iodine
b)
Benedicts
c)
Biuret
d)
Emulsion
20.
When starch is present iodine turns...
a)
purple
b)
blue-black
c)
orange
d)
brick red
21.
When protein is present Biuret turns...
a)
purple
b)
blue-black
c)
orange
d)
brick red
22.
When large amounts of glucose is present Benedicts turns...
a)
purple
b)
blue-black
c)
brick-red
d)
green
23.
1.What cells have fine hairs?
a)
Ciliated cells
b)
Root cells
c)
mouth cells
d)
red blood cells
24.
1.What cells carry electrical signals?
a)
Red blood cells
b)
Nerve cells
c)
Sperm cells
25.
What is another name for a palisade cell?
a)
Egg cell
b)
Sperm Cell
c)
Leaf cell
d)
Animal cell
26.
What cell carries the father’s genetic information?
a)
Sperm cell
b)
Egg cell
c)
Leaf cell
d)
Red blood cell
27.
If the eyepiece lens magnification is 10 and the objective lens magnification is 40 what is the total magnification?
a)
10
b)
40
c)
400
28.
Flagella are used for...
a)
Food
b)
Movement
c)
Collecting sunlight
d)
Respiration
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