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Biology Quiz: Why Are Cell Organelles Important?
Biology
Grade 7 (Junior High School)
Question Content
1. According to Paragraph 1, why are organelles important? A. They make cells larger B. They allow cells to change shape C. They perform specific jobs needed for survival D. They protect cells from sunlight
Correct Answer
C
Detailed Solution Steps
1
Step 1: Recall the core function of cell organelles: each organelle has a specialized role that supports the cell's overall survival and function.
2
Step 2: Eliminate incorrect options: A is wrong because organelles do not exist to increase cell size; B is incorrect as shape change is not their primary purpose; D is wrong because only specific organelles like chloroplasts have light-related roles, not all organelles.
3
Step 3: Confirm that option C matches the definition of organelles as specialized structures that carry out essential life tasks for the cell.
Knowledge Points Involved
1
Cell Organelle Function
Cell organelles are specialized subcellular structures, each performing a unique, specific function (such as energy production, protein synthesis) that is critical for the cell's survival, growth, and reproduction. They work together to maintain the cell's normal physiological activities.
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