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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
respiration
B
digestion
C
growth
D
reproduction
3) A structure within a cell that performs a specific function is called
A
an organ system
B
an atom
C
a tissue
D
an organelle
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
a population
D
the biosphere
5) A community is best described as
A
different populations in an area that interact
B
a group of interbreeding species
C
applying only to humans
D
species that are isolated from each other
6) The ecosystem includes
A
only the living things in an area
B
a community of living things and its physical environment
C
only the non-living environment
D
some living things
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 lose control of life functions
B
organisms regulate life functions to remain alive
C
organisms produce waste products
D
plants produce their food
9) A population is best described as
A
two or more species structurally related
B
a group of organisms and their environment
C
a large community composed of one species
D
an interbreeding group of organisms
10) In an experiment, the variable is the condition that is
A
verified
B
tested
C
reproduced
D
controlled
11) The first step in the scientific method is
A
stating a hypothesis
B
testing the variable
C
defining the problem
D
collecting background information
12) In a scientific experiment, the control group is the group
A
chosen most carefully
B
given no treatment
C
exposed to the variable
D
observed under unusual circumstances
13) A hypothesis is best defined as
A
a test
B
an answer
C
a question
D
a conclusion
14) Facts gathered from a scientific experiment are known as
A
variables
B
statistics
C
principles
D
data
15) A major difference between organic and inorganic compounds is that
A
only organic compounds may be synthesized
B
inorganic compounds generally do not contain the element carbon
C
organic compounds can not be synthesized
D
inorganic compounds are more complex and larger
16) Basic units in organic compounds that are repeated over and over can combine to make larger organic molecules that are called
A
monomers
B
amino acids
C
polymers
D
nucleotides
17) The exchange of materials into and out of a cell occurs through the
A
cell membrane
B
endoplasmic reticulum (ER)
C
nuclear membrane
D
ribosomes
18) A disaccharide is formed by
A
the combination of a protein and a sugar
B
the hydrolysis of glucose
C
the breakdown of cell membranes
D
the joining of 2 monosaccharides
19) The basic structure of many lipids is
A
monomers and glycogen
B
hydrocarbons and nitrogen
C
glycerol and three carbohydrates
D
glycerol and three fatty acids
20) Proteins are
A
the building blocks of cells
B
the basic source of cellular energy
C
the basic source of genetic information
D
the building blocks of amino acids
*select an answer for all questions
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