WorksheetsUnit 4 Study Aid
Total questions: 29
Worksheet time: 15mins
Name
Class
Date
1.
How are plant cells and human cells different?
a)
Human cells need food, but plant cells do not.
b)
Plant cells make their own food, but human cells do not.
c)
Plant cells make their own energy, but human cells do not.
2.
Which part of a plant captures the light energy used in photosynthesis?
a)
guard cells
b)
chlorophyll
c)
Roots
3.
Which organelle is most responsible for making the cell's proteins?
a)
chloroplast
b)
mitochondria
c)
ribosome
d)
vacuole
4.
The total of all chemical reactions in a cell is
a)
diffusion
b)
osmosis
c)
metabolism
d)
proteins
5.
Which is a difference between multicellular and unicellular organisms?
a)
Unicellular organisms are specilaized, while multicellular organisms are not.
b)
Unicellular organisms are differentiated, while multicellular organisms are not.
c)
Multicellular organisms have more than one cell, while unicellular organisms have only one cell.
d)
Multicellular organisms have only one cell, while unicellular organisms have more than one cell.
6.
Which is required for growth to occur in an animal?
a)
Waste products must be excreted.
b)
Energy must be stored in fat deposits.
c)
Nutrients must be converted into energy.
d)
Water must be constantly taken into the body.
7.
Which best describes how animals/humans receive energy from the foods they eat?
a)
Energy is passed directly from the food into the animal’s bloodstream.
b)
Energy is released when bonds in the food molecules are broken during digestion.
c)
Energy is converted into a liquid in the animal’s systems and spreads throughout the body.
d)
Energy is produced as animals chew their food and physically break up the particles into smaller pieces.
8.
Which series correctly represents the levels of organization in an organism?
a)
cells>organs>organ system>tissue
b)
cells>tissue>organs>organ system
c)
tissue>cells>organ system>organs
d)
tissue>organ system>cells>organs
9.
Which structures are common to both plant and animal cells?
a)
vacuole, chloroplast, nucleus
b)
cell membrane, nucleus, mitochondrion
c)
nucleus, cell wall, cell membrane
d)
mitochondrion, vacuole, cell wall
10.
Which one of these is not a characteristic of an animal?
a)
obtains energy by consuming other organisms
b)
is multicellular with cells that have cell walls
c)
takes in oxygen and releases carbon dioxide
d)
is able to grow new cells to replace damaged cells
11.
Which of these is the fundamental unit of life?
a)
system
b)
organ
c)
tissue
d)
cells
12.
Look at the diagram modeling some parts of a plant cell. Which cell part missing from this model is found in plant cells but not in animal cells?
a)
nucleus
b)
chloroplast
c)
mitochondrion
d)
cell membrane
13.
Look at the diagram. What does the diagram model?
a)
virus
b)
bacterium
c)
plant cell
d)
animal cell
14.
Which of the following allows materials to enter and leave a cell?
a)
cell wall
b)
mitochondria
c)
vacuole
d)
cell membrane
15.
What is the main function of the cell wall in a plant cell?
a)
to protect against disease
b)
to give structural support
c)
to contain the parts of the cell
d)
to help with cell division
16.
The basic units of structure and function for both plants and animals are
a)
cells
b)
organs
c)
systems
d)
tissues
17.
An athlete is running a race. The athlete’s body needs energy. Which organelle(s) in the athlete’s cells supply the energy for cellular functions?
a)
Golgi apparatus
b)
mitochondrion
c)
ribosome
d)
nucleus
18.
A student wrote the following claim on a homework assignment: “Eukaryotic cells need more lipids than prokaryotic cells.” Which statement below provides the BEST support for her claim?
a)
Eukaryotic cells have a nucleus.
b)
Eukaryotic cells make up multicellular organisms.
c)
Eukaryotic cells contain membrane-bound organelles.
d)
Eukaryotic cells perform cellular respiration.
19.
Both prokaryotes and eukaryotes have small, free-floating organelles. The cell makes these organelles from nucleic acids and amino acids found in food. Without these organelles, the cell could not make proteins. What are these organelles called?
a)
chloroplasts
b)
mitochondria
c)
ribosomes
d)
vesicles
20.
How are plant cells and human cells different?
a)
Human cells need food, but plant cells do not.
b)
Human cells need energy, but plant cells do not.
c)
Plant cells make their own food, but human cells do not.
d)
Plant cells make their own energy, but human cells do not.
21.
What do cells use for energy storage and as a source of energy?
a)
carbohydrates
b)
cytoplasm
c)
proteins
22.
Many factors affect human health. Which term best describes diet and exercise for most adults?
a)
Lifestyle Change
b)
Environment Factor
c)
genetic predisposition
d)
medically prescribed behavior
23.
Tobacco has been linked to many health problems. What is the most complete list of forms of tobacco that cause cancer?
a)
cigarettes and snuff
b)
Chewing Tobacco and snuff
c)
Cigarettes and chewing tobacco
d)
Cigarettes, chewing tobacco, and Snuff
24.
Which best describes the effects of exercise on the respiratory and digestive systems?
a)
Exercise causes deeper breathing that makes the heart and lung muscles stronger, while helping to push food through the body.
b)
Exercise causes deeper breathing that makes the heart and lung muscles stronger, while there is no affect on the digestive system.
c)
Exercise causes blood to be pushed through the body at a rapid pace, while preventing the pushing of food through the digestive system.
25.
Which best describes the potential effect on the body if the amount of protein in the diet is increased to 50% and the amounts of the other food groups are decreased?
a)
There will be no effect on the body.
b)
The metabolism rate will increase.
c)
The systems of the body will be stressed.
26.
Crystal needs more protein in her diet. Which food sources will best provide the building blocks she needs?
a)
beans, poultry, and meat
b)
vegetables, seeds, and fats
c)
fruits, water, and dairy products
27.
Which best explains why living a healthy lifestyle is important?
a)
Exercising once a week eliminates the risk of developing heart disease.
b)
A diet that includes many fats and carbohydrates increases energy production in the body.
c)
Eating a well-balanced diet and following a regular exercise routine increases the chance of living longer.
d)
Limiting consumption of proteins and avoiding aerobic exercise decreases fat accumulation in the body.
28.
High levels of glucose in the blood may be a symptom of which disease?
a)
asthma
b)
cancer
c)
diabetes
d)
heart disease
29.
Which best describes the nutrients that are sources of energy for the body?
a)
fats and proteins
b)
fats and carbohydrates fats and carbohydrates
c)
water and carbohydrates
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