"Do You Know These Biological Processes?" Quiz
Osmosis is the movement of water molecules from a solution with a high concentration of water molecules to a solution with a lower concentration of water molecules. Diffusion is the process of movement of molecules under a concentration gradient. Know more about these biological processes in this quiz!
Questions and Answers
- 1.
The diagram below shows the relative concentration of molecules inside and outside of a cell. Which statement best describes the general direction of diffusion across the membrane of this cell?
- A.
Glucose would diffuse into the cell.
- B.
Protein would diffuse out of the cell.
- C.
Carbon dioxide would diffuse out of the cell.
- D.
Oxygen would diffuse into the cell.
Correct Answer
C. Carbon dioxide would diffuse out of the cell.Explanation
Based on the diagram, the concentration of carbon dioxide is higher inside the cell compared to outside. Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration. Therefore, carbon dioxide would diffuse out of the cell, moving from an area of higher concentration inside the cell to an area of lower concentration outside the cell.Rate this question:
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- 2.
Energy from organic molecules can be stored in ATP molecules as a direct result of the process of
- A.
Cellular respiration
- B.
Cellular reproduction
- C.
Diffusion
- D.
Digestion
Correct Answer
A. Cellular respirationExplanation
Energy from organic molecules can be stored in ATP molecules as a direct result of the process of cellular respiration. During cellular respiration, organic molecules such as glucose are broken down in the presence of oxygen to produce ATP, which is the primary energy currency of cells. This process occurs in the mitochondria of cells and involves a series of biochemical reactions that release energy stored in the organic molecules and convert it into ATP. Therefore, cellular respiration is the correct answer as it directly relates to the storage of energy in ATP molecules.Rate this question:
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- 3.
Which cell structure is correctly paired with its primary function?
- A.
Ribosome–protein synthesis
- B.
Mitochondrion–movement
- C.
Vacuole–cell division
- D.
Nucleus–storage of nutrients
Correct Answer
A. Ribosome–protein synthesisExplanation
Ribosomes are the cell structures responsible for protein synthesis. Proteins are essential molecules that perform various functions in the cell, including structural support, enzymatic activity, and cell signaling. Ribosomes read the genetic information stored in the DNA and use it to assemble amino acids into proteins. Therefore, the correct pairing is ribosome–protein synthesis.Rate this question:
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- 4.
The diagram below represents a cell of a green plant. Solar energy is used to produce energy-rich compounds in structure
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
D. DExplanation
The diagram represents a cell of a green plant. Option D states that solar energy is used to produce energy-rich compounds in the structure. This is correct because green plants undergo photosynthesis, a process where they use sunlight to convert carbon dioxide and water into glucose and oxygen. Glucose is an energy-rich compound that plants use for growth and metabolism. Therefore, option D accurately describes the role of solar energy in producing energy-rich compounds in a plant cell.Rate this question:
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- 5.
On hot, dry days, guard cells often close microscopic openings in plant leaves, conserving water. This is an example of
- A.
Environmental factors causing gene mutation in plants
- B.
Finite resources acting as selecting agents for evolution
- C.
A feedback mechanism for maintaining homeostasis
- D.
Differentiation in plants as a result of stimuli
Correct Answer
C. A feedback mechanism for maintaining homeostasisExplanation
The correct answer is a feedback mechanism for maintaining homeostasis. In hot, dry days, plants need to conserve water to prevent dehydration. The closing of microscopic openings in plant leaves, controlled by guard cells, helps to reduce water loss through transpiration. This process is a feedback mechanism because it is a response to the changing environmental conditions in order to maintain a stable internal environment, or homeostasis, within the plant.Rate this question:
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- 6.
Which process initially provides the link between an abiotic factor and the energy needs of an entire ecosystem?
- A.
Respiration
- B.
Photosynthesis
- C.
Decomposition
- D.
Predation
Correct Answer
B. PhotosynthesisExplanation
Photosynthesis is the process by which plants convert sunlight, water, and carbon dioxide into glucose and oxygen. This process provides the link between abiotic factors (such as sunlight and carbon dioxide) and the energy needs of an entire ecosystem. Through photosynthesis, plants produce food (glucose) which serves as a source of energy for other organisms in the ecosystem. Therefore, photosynthesis is the initial process that connects abiotic factors to the energy needs of the ecosystem.Rate this question:
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- 7.
The temporary storage of energy in ATP molecules is part of which process?
- A.
Cell division
- B.
Cellular respiration
- C.
Protein synthesis
- D.
DNA replication
Correct Answer
B. Cellular respirationExplanation
Cellular respiration is the correct answer because during this process, energy is harvested from glucose molecules and stored in the form of ATP (adenosine triphosphate) molecules. ATP acts as a temporary energy carrier in cells, providing the necessary energy for various cellular activities.Rate this question:
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- 8.
Indicate one part of the plant cell below that would not be found in an animal cell. [1]
Correct Answer
chloroplast
cell wall
large vacuole
chloroplastsExplanation
The correct answer is "chloroplast" because chloroplasts are only found in plant cells and are responsible for photosynthesis. Animal cells do not have chloroplasts. The other options (cell wall and large vacuole) are also found in plant cells, but they can sometimes be found in specialized animal cells as well.Rate this question:
![Indicate one part of the plant cell below that would not be found in an animal cell. [1]
- ProProfs](/quiz-school/user_upload/ckeditor/LE HW4_1_15_3.png "Indicate one part of the plant cell below that would not be found in an animal cell. [1]")
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Mar 21, 2023Quiz Edited by
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Nov 28, 2011Quiz Created by
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