Question 1
Which of the following cellular structures is responsible for controlling the entry and exit of substances into and out of an animal cell?
Correct Answer:
Cell membrane
Question 2
Which organelle is the site of aerobic respiration, where ATP is generated to power cell activities?
Correct Answer:
Mitochondrion
Question 3
A student views a plant cell under a light microscope. If the image size of the cell is 40 mm and the actual size of the cell is 80 micrometers, what magnification was used?
Correct Answer:
500x
Question 4
Which of the following statements best describes the process of diffusion?
Correct Answer:
The net movement of particles from a region of higher concentration to a region of lower concentration down a concentration gradient.
Question 5
What happens to a red blood cell when it is placed in a concentrated (hypertonic) salt solution?
Correct Answer:
It shrinks and becomes crenated because water leaves the cell by osmosis.
Question 1
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Prepare with the CSEC Human and Social Biology Practice Questions - CXC CSEC Human and Social Biology Exam practice quiz. This question bank includes 100 questions covering human, blood, cell, body, and cells. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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CSEC Human and Social Biology Practice Questions - CXC CSEC Human and Social Biology Exam

This practice set contains 100 questions from the matching question bank and focuses on human, blood, cell, body, and cells. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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