WorksheetsTopic 3 - Characteristics of Life Regents Review
Total questions: 32
Worksheet time: 16mins
Name
Class
Date
1.
In a cell, all organelles work together to carry out
a)
diffusion
b)
active transport
c)
information storage
d)
metabolic processes
2.
ATP is a compound that is synthesized when
a)
chemical bonds between carbon atoms are formed during photosynthesis
b)
energy stored in chemical bonds is released during cellular respiration
c)
energy stored in nitrogen is released, forming amino acids
d)
digestive enzymes break amino acids into smaller parts
3.
Which process is directly used by autotrophs to store energy in glucose?
a)
diffusion
b)
respiration
c)
photosynthesis
d)
active transport
4.
In heterotrophs, energy for the life processes comes from the chemical energy stored in the bonds of
a)
water molecules
b)
oxygen molecules
c)
organic compounds
d)
inorganic compounds
5.
Which row in the chart below best describes the ACTIVE transport of molecule X through a cell membrane?
a)
A
b)
B
c)
C
d)
D
6.
When using a compound light microscope, the most common reason for staining a specimen being observed is to
a)
keep the organism from moving around
b)
make the view more colorful
c)
determine the effects of chemicals on the organisms
d)
reveal details that are otherwise not easily seen
7.
Which term is defined as ALL the chemical reactions that are required to sustain life?
a)
metabolism
b)
regulation
c)
synthesis
d)
nutrition
8.
Which statement best compares a multicellular organism to a single-celled organism?
a)
The cell of a single-celled organism is always much larger than an individual cell of a multicellular organism.
b)
A multicellular organism has organ systems that interact to carry out life functions, while a single-celled organism carries out life functions without using organs.
c)
A single-celled organism carries out fewer life functions than each cell of a multicellular organism.
d)
A multicellular organism always obtains energy through a process that is different from that used by a single-celled organism.
9.
Which process includes the other three?
a)
nutrition
b)
metabolism
c)
synthesis
d)
excretion
10.
Nutrition involves those activities by which organisms
a)
remove cellular waste products
b)
obtain and process materials needed for other activities
c)
absorb and circulate materials
d)
exchange gases with their environment
11.
The absorption and distribution of materials within an organism is a life function known as
a)
transport
b)
synthesis
c)
reproduction
d)
locomotion
12.
The diagram represents an activity that occurs in the human body.
This diagram best illustrates
This diagram best illustrates
a)
active transport
b)
maintenance of homeostasis
c)
synthesis of nutrients
d)
differentiation
13.
As a result of their metabolic activities, many organisms produce harmful substances. These substances are eliminated by the process of
a)
pinocytosis
b)
ingestion
c)
excretion
d)
secretion
14.
The life function responsible for the coordination and control of all life activities in an organism is known as
a)
regulation
b)
reproduction
c)
excretion
d)
nutrition
15.
Which statement best illustrates the life process of growth?
a)
A bean seed germinates.
b)
An ameba moves away from bright light.
c)
Two monosaccharides are formed from a disaccharide.
d)
A dog consumes a bowl of food.
16.
The use of CO2 and H2O by a germanium plant to synthesize glucose illustrates the process of
a)
autrophic nutritionheterotrophic nutrition
b)
protein production
c)
heterotrophic nutrition
d)
carbohydrate hydrolysis
17.
Eating a sweet potato provides energy for human metabolic processes the ORIGINAL source of this energy is the energy
a)
in protein molecules stored within the potato
b)
made available by photosynthesis
c)
from starch molecules absorved by the potato plant
d)
in vitamins and minerals found in the soil
18.
Which substances must a green plant obtain from its environment to carry on photosynthesis
a)
glucose and water
b)
oxygen and chlorophyll
c)
carbon dioxide and water
d)
carbon dioxide and oxygen
19.
A green plant is kept in a brightly lighted area for 48 hours. What will most likely occur if the light intensity is reduced slightly during the next 48 hours?
a)
Photosynthesis will stop completely.
b)
The rate at which nitrogen is used by the plant will increase.
c)
The rate at which oxygen is released from the plant will decrease.
d)
Glucose production inside each plant cell will increase.
20.
The presence of which organelle would identify an organism as an autotroph?
a)
nuclei
b)
lysosomes
c)
chloroplasts
d)
cilia
21.
The dissolved carbon dioxide in a lake is used directly by
a)
autotrophs
b)
parasites
c)
fungi
d)
decomposers
22.
Which set of terms best identifies the letters in the diagram?
a)
1
b)
2
c)
3
d)
4
23.
The diagram below illustrates the movement of materials involved in a process that is vital for the energy needs of organisms.
The process illustrated occurs within
The process illustrated occurs within
a)
chloroplasts
b)
mitochondria
c)
ribosomes
d)
vacuoles
24.
The graphs below show the changes in the relative concentrations of two gases in the air surrounding a group of mice.
Which process in the mice most likely accounts for the changes shown?
Which process in the mice most likely accounts for the changes shown?
a)
active transport
b)
evaporation
c)
respiration
d)
photosynthesis
25.
The green aquatic plant represented in the diagram was exposed to light for several hours.
Which gas would most likely be found in the greatest amount in the bubbles?
Which gas would most likely be found in the greatest amount in the bubbles?
a)
oxygen
b)
nitrogen
c)
ozone
d)
carbon dioxide
26.
Much of the carbon dioxide produced by green plants is not excreted as a metabolic waste because it
a)
can be used for photosynthesis
b)
is too large to pass through cell membranes
c)
is needed for cellular respiration
d)
can be used for the synthesis of proteins
27.
Leaves of green plants contain openings known as stomates, which are opened and closed by speciallized cells allowing for gas exchange between the leaf and the outside environment. Which phrase best represents the net flow of gases involved in photosynthesis into and out of the leaf through these openings on a sunny day?
a)
carbon dioxide and oxygen move in; ozone moves out
b)
oxygen moves in; nitrogen moves out
c)
carbon dioxide moves in; oxygen moves out
d)
water and ozone move in; carbon dioxide moves out
28.
Which activity is NOT an example of heterotrophic nutrition?
a)
An eagle kills and eats a snake
b)
A tapeworm absorbs food in a human intestine.
c)
A mushroom decomposes a dead log
d)
An algal cell synthesizes food during photosynthesis.
29.
The diagram below represents specialized cells in the surface of the leaf of a green plant.
The main function of these cells is to
The main function of these cells is to
a)
close the stomate to keep dust and dirt out of the leaf
b)
change the size of the stomate to regulate water loss
c)
directly provide leaf cells with the water involved in photosynthesis
d)
allow newly formed glucose to be released from the leaf
30.
The diagram represents an amoeba, a single-celled organism, carrying out an essential life process.
This process represents a step in
This process represents a step in
a)
asexual reproduction
b)
heterotrophic nutrition
c)
photosynthesis
d)
diffusion
31.
The diagram represents an amoeba, a single-celled organism, carrying out an essential life process.
This process is essential to the survival of the amoeba because it
This process is essential to the survival of the amoeba because it
a)
provides materials used in cellular respiration
b)
removes pathogens from the environment
c)
supplies the raw materials for photosynthesis
d)
protects the organism during development
32.
Scientists have found that although plants require light to carry on photosynthesis, very high levels of sunlight can kill some plants. This illustrates that many biochemical processes may occur
a)
more rapidly when temperatures are very high
b)
within a specific range of conditions
c)
best in the absence of abiotic factors
d)
even if homeostasis is disrupted
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