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Biology Final Review1
Test Description: Biology Final Review part1 0809
Instructions: Answer all questions to get your test result.
1) A student wearing goggles, gloves, and an apron begins a simple activity to determine the pH of corrosive solutions. Before the activity begins, what other safety measure should the student follow?
A
Check and set clocks and record the beginning time
B
Arrange the equipment in the work area alphabetically
C
Identify the locations of eye wash, shower, and fire equipment
D
Review the proper method of fire-polishing glass tubing
2) Which of these is the best reason to not eat or drink while in the laboratory?
A
Some foods produce toxic gases when mixed with acids.
B
Spilled drinks can make cleanup of chemicals difficult.
C
Particles of food can contaminate chemical reagents.
D
Chemicals spilled on hands can be transferred to food.
3) The reason for wafting or fanning a small amount of chemical vapors toward the nose as a means to detect odors in a test tube is to-
A
protect the respiratory tract against potentially harmful vapors
B
determine the relative strength of the odor before smelling directly
C
avoid experimental error from excessive loss of mass of reactants or products
D
avoid splashing chemicals into the face of any person
4) Which of these is a hypothesis that can be tested through experimentation?
A
Bacterial growth increases exponentially as temperature increases.
B
A fish’s ability to taste food is affected by the clarity of aquarium water.
C
The number of times a dog wags its tail indicates how content the dog is.
D
Tadpoles’ fear of carnivorous insect larvae increases as the tadpoles age.
5) Which of the following organelles is involved in storing material in a plant cell?
A
Vacuole
B
Golgi body
C
Cell membrane
D
Mitochondrion
6) During photosynthesis hydrogen combines with carbon dioxide to make-
A
glucose
B
cholesterol
C
cellulose
D
protein
7) Which of the following describes viruses?
A
Viruses require a living host in order to reproduce.
B
Viruses avoid antibiotics in humans.
C
Viruses have plasma membranes and capsids
D
Viruses exist as single cells or groups of cells.
8) People infected with the human immunodeficiency virus (HIV) have an increased risk of dying from secondary infections. Which of these best explains how HIV increases the danger of secondary infections?
A
HIV consumes beneficial microbes in the body.
B
HIV produces antigens that damage red blood cells.
C
HIV adds genetic material from harmful microbes.
D
HIV destroys helper T cells (white blood cells).
9) One characteristic shared by a virus and a living cell is that both-
A
have a crystalline structure
B
use glucose for respiration
C
gain energy directly from the sun
D
store genetic information in nucleic acids
10) Bacteria are present in the digestive tract of some herbivores. The bacteria break down plant cellulose, making it possible for the herbivore to digest plant material. These bacteria live in a stable environment with sufficient food and water. The he
A
are secondary consumers
B
benefit each other
C
compete for survival
D
are producers
*select an answer for all questions
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