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Unit Test 4 Review Part III
Test Description: Students review for their test on cell theory, ecosystems, microbiology, and biotechnology.
Instructions: Answer all questions to get your test result.
1) Which cycle of matter would be most affected by an increase in the size of green leaves?
A
water
B
oxygen
C
phosphorous
D
carbon dioxide
2) How do food molecules and nutrients enter the cell?
A
through the nucleus
B
through other specialized cells.
C
through the chlorophyll in the cell
D
through the plasma membrane
3) How do the cells of the body respond to little exercise and a poor diet?
A
they reduce their rate of respiration
B
they stop reproducing
C
they increase their production of protein.
D
they stop absorbing nutrients
4) mitosis produces
A
two cells, each with half as many chromosomes as the parent cell
B
four cells, each with half as many chromosomes as the parent cell
C
two cells, each with the same number of chromosomes as the parent cell
D
four cells, each with the same number of chromosomes as the parent cell
5) Which is the final product of meiosis?
A
two cells, each with the same number of chromosomes as the parent cell.
B
four cells, each with the same number of chromosomes as the parent cell.
C
four cells, each with half as many chromosomes as the parent cell.
D
two cells, each with half as many chromosomes as the parent cell.
6) Where do plants get most of the energy they need to live and grow?
A
water
B
air
C
sunlight
D
soil
7) an organism that performs photosynthesis is called
A
a decomposer
B
a consumer
C
an autotroph
D
a heterotroph
8) A relationship in which one organism benefits from another without harming the other organism is called:
A
mutualism
B
commensalism
C
predation
D
parasitism
9) Which of these is a concern about the use of biotechnology?
A
increased crop yield
B
creation of new pathogens
C
increased job opportunities
D
development of new vaccines
10) How does smoking tobacco most likely affect a person's ability to perform physical activities?
A
it decreases stamina and cardiovascular efficiency
B
it interferes with balance and coordination
C
it decreases the ability to make decisions rapidly
D
it decreases the speed and power of muscle contractions
*select an answer for all questions
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