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