,Chapter 1: Exploring Life and Science cn cn cn cn cn
1. Which of the following is NOT a characteristic common to all living organisms?
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A. Organization
B. Ability to respond to stimuli
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C. Ability to fly cn cn
D. Reproduction
Answer: C
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2. What is the smallest structural and functional unit of an organism?
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A. Atom
B. Molecule
C. Cell
D. Tissue cn
Answer: C cn
3. Biology is best defined as: cn cn cn cn
A. The study of human behavior
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B. The study of living organisms and their environments
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C. The study of plants only
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D. The study of chemical reactions
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Answer: B cn
4. Which level of organization comes immediately after molecules?
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A. Atoms
B. Cells
C. Tissues
D. Organs
Answer:
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B
5. True or False: Bacteria are multicellular organisms.
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Answer: False cn
6. What is a tissue? cn cn cn
A. A single cell
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B. A group of similar cells that perform a particular function
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C. A collection of different organs
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D. An entire organism
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Answer: B cn
7. The brain and spinal cord are examples of which level of organization?
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A. Tissue
B. Organ
,C. Organ system cn
D. Organism
Answer: C
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8. All members of one species in a particular area belong to a:
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A. Community
B. Population
C. Ecosystem
D. Biosphere
Answer: B
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9. True or False: The biosphere includes all of Earth's ecosystems collectively.
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Answer: True cn
10. What is energy defined as?
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A. The capacity to do work
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B. A type of molecule
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C. A living organism
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D. A chemical reaction
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Answer: A cn
11. Which process do plants use to convert solar energy into chemical energy?
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A. Respiration
B. Photosynthesis
C. Metabolism
D. Homeostasis
Answer: B
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12. Metabolism is: cn
A. The death of an organism
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B. The sum of all chemical reactions in a cell or organism
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C. A type of reproduction
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D. A form of energy
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Answer: B cn
13. True or False: Humans acquire energy by eating food.
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Answer: True cn
14. What is the ultimate source of energy for most life on Earth?
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A. The moon cn
B. The sun cn
C. Wind
D. Water cn
Answer: B cn
15. Homeostasis refers to: cn cn
, A. Growth and development
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B. Maintaining a constant internal environment cn cn cn cn
C. Reproduction
D. Evolution
Answer: B
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16. Normal human body temperature typically ranges between:
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A. 20-25°C
B. 30-35°C
C. 36.5-37.5°C
D. 40-45°C
Answer: C cn
17. True or False: The digestive system plays no role in maintaining homeostasis.
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Answer: False
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18. Which systems work together to maintain body temperature?
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A. Cardiovascular and nervous systems cn cn cn
B. Only the skeletal system
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C. Only the respiratory system
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D. None of the above
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Answer: A cn
19. Response to stimuli in humans often involves:
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A. Movement
B. Complete stillness cn
C. Sleep
D. Reproduction
Answer: A
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20. True or False: Plants can respond to external stimuli.
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Answer: Truecn
21. DNA stands for:
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A. Deoxyribonitrogen acid cn
B. Deoxyribonucleic acid cn
C. Dinitrogen acid cn
D. Double nucleus acidcn cn cn
Answer: B cn
22. Genes are: cn
A. Large organisms
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B. Short sequences of hereditary material
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C. Types of cellscn cn
D. Energy molecules cn
1. Which of the following is NOT a characteristic common to all living organisms?
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A. Organization
B. Ability to respond to stimuli
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C. Ability to fly cn cn
D. Reproduction
Answer: C
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2. What is the smallest structural and functional unit of an organism?
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A. Atom
B. Molecule
C. Cell
D. Tissue cn
Answer: C cn
3. Biology is best defined as: cn cn cn cn
A. The study of human behavior
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B. The study of living organisms and their environments
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C. The study of plants only
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D. The study of chemical reactions
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Answer: B cn
4. Which level of organization comes immediately after molecules?
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A. Atoms
B. Cells
C. Tissues
D. Organs
Answer:
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B
5. True or False: Bacteria are multicellular organisms.
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Answer: False cn
6. What is a tissue? cn cn cn
A. A single cell
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B. A group of similar cells that perform a particular function
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C. A collection of different organs
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D. An entire organism
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Answer: B cn
7. The brain and spinal cord are examples of which level of organization?
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A. Tissue
B. Organ
,C. Organ system cn
D. Organism
Answer: C
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8. All members of one species in a particular area belong to a:
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A. Community
B. Population
C. Ecosystem
D. Biosphere
Answer: B
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9. True or False: The biosphere includes all of Earth's ecosystems collectively.
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Answer: True cn
10. What is energy defined as?
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A. The capacity to do work
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B. A type of molecule
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C. A living organism
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D. A chemical reaction
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Answer: A cn
11. Which process do plants use to convert solar energy into chemical energy?
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A. Respiration
B. Photosynthesis
C. Metabolism
D. Homeostasis
Answer: B
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12. Metabolism is: cn
A. The death of an organism
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B. The sum of all chemical reactions in a cell or organism
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C. A type of reproduction
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D. A form of energy
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Answer: B cn
13. True or False: Humans acquire energy by eating food.
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Answer: True cn
14. What is the ultimate source of energy for most life on Earth?
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A. The moon cn
B. The sun cn
C. Wind
D. Water cn
Answer: B cn
15. Homeostasis refers to: cn cn
, A. Growth and development
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B. Maintaining a constant internal environment cn cn cn cn
C. Reproduction
D. Evolution
Answer: B
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16. Normal human body temperature typically ranges between:
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A. 20-25°C
B. 30-35°C
C. 36.5-37.5°C
D. 40-45°C
Answer: C cn
17. True or False: The digestive system plays no role in maintaining homeostasis.
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Answer: False
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18. Which systems work together to maintain body temperature?
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A. Cardiovascular and nervous systems cn cn cn
B. Only the skeletal system
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C. Only the respiratory system
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D. None of the above
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Answer: A cn
19. Response to stimuli in humans often involves:
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A. Movement
B. Complete stillness cn
C. Sleep
D. Reproduction
Answer: A
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20. True or False: Plants can respond to external stimuli.
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Answer: Truecn
21. DNA stands for:
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A. Deoxyribonitrogen acid cn
B. Deoxyribonucleic acid cn
C. Dinitrogen acid cn
D. Double nucleus acidcn cn cn
Answer: B cn
22. Genes are: cn
A. Large organisms
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B. Short sequences of hereditary material
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C. Types of cellscn cn
D. Energy molecules cn
