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Trimester 2 Final Review
Test Description: Review for Trimester 2 Test
Instructions: Answer all questions to get your test result.
1) The smallest units that carry on all the function of life are called
A
cells
B
systems
C
tissues
D
organs
2) The process required for the continued existence of a species is
A
respiration
B
growth
C
digestion
D
reproduction
3) A structure within a cell that performs a specific function is called
A
an atom
B
an organelle
C
a tissue
D
an organ system
4) A group of organisms of the smae species living in a particular place at a particular time is called
A
the biosphere
B
an ecosystem
C
a population
D
a community
5) A community is best described as
A
species that are isolated from each other
B
a group of interbreeding species
C
applying only to humans
D
different populations in an area that interact
6) The ecosystem includes
A
only the non-living environment
B
only the living things in an area
C
some living things
D
a community of living things and its physical environment
7) The biosphere includes
A
all life-supporting environments
B
both a and b are correct
C
all the organisms that inhabit the environments
D
neither a nor b is correct
8) Homeostasis is the process by which
A
organisms regulate life functions to remain alive
B
plants produce their food
C
organisms lose control of life functions
D
organisms produce waste products
9) A population is best described as
A
a large community composed of one species
B
a group of organisms and their environment
C
two or more species structurally related
D
an interbreeding group of organisms
10) In an experiment, the variable is the condition that is
A
verified
B
tested
C
controlled
D
reproduced
11) The first step in the scientific method is
A
testing the variable
B
stating a hypothesis
C
defining the problem
D
collecting background information
12) In a scientific experiment, the control group is the group
A
chosen most carefully
B
observed under unusual circumstances
C
given no treatment
D
exposed to the variable
13) A hypothesis is best defined as
A
an answer
B
a test
C
a question
D
a conclusion
14) Facts gathered from a scientific experiment are known as
A
variables
B
statistics
C
data
D
principles
15) A major difference between organic and inorganic compounds is that
A
organic compounds can not be synthesized
B
inorganic compounds generally do not contain the element carbon
C
inorganic compounds are more complex and larger
D
only organic compounds may be synthesized
16) Basic units in organic compounds that are repeated over and over can combine to make larger organic molecules that are called
A
nucleotides
B
amino acids
C
polymers
D
monomers
17) The exchange of materials into and out of a cell occurs through the
A
ribosomes
B
cell membrane
C
endoplasmic reticulum (ER)
D
nuclear membrane
18) A disaccharide is formed by
A
the combination of a protein and a sugar
B
the breakdown of cell membranes
C
the hydrolysis of glucose
D
the joining of 2 monosaccharides
19) The basic structure of many lipids is
A
hydrocarbons and nitrogen
B
glycerol and three carbohydrates
C
monomers and glycogen
D
glycerol and three fatty acids
20) Proteins are
A
the basic source of genetic information
B
the building blocks of cells
C
the building blocks of amino acids
D
the basic source of cellular energy
*select an answer for all questions
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