Cell: Structure and Functions Practice Questions

Class 8 · Science · 1221 free MCQs with instant results and detailed explanations.

1221
Total
364
Easy
599
Medium
258
Hard

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Topics in Cell: Structure and Functions

Prokaryotic and Eukaryotic 306
Cell Discovery 291
Plant and Animal Cell 315
Cell Organelles 309

Sample Questions from Cell: Structure and Functions

Here are 10 sample questions. Start a quiz to get randomized questions with scoring.

Q1
Easy
Who is credited with the discovery of the cell?
A. Robert Hooke
B. Anton van Leeuwenhoek
C. Matthias Schleiden
D. Theodor Schwann
Show Answer & Explanation
Correct Answer: A
Robert Hooke first discovered the cell in 1665 while observing cork tissue under a microscope.
Q2
Easy
What did Robert Hooke use to observe cells?
A. Light microscope
B. Electron microscope
C. Compound microscope
D. Stereoscope
Show Answer & Explanation
Correct Answer: C
Robert Hooke used a compound microscope to observe cork and introduced the term 'cell'.
Q3
Easy
Which structure did Hooke observe in cork?
A. Nucleus
B. Cell walls
C. Chloroplasts
D. Mitochondria
Show Answer & Explanation
Correct Answer: B
Hooke observed the cell walls in cork, which appeared as small boxes, leading him to call them 'cells'.
Q4
Medium
What did Anton van Leeuwenhoek contribute to cell discovery?
A. Developed a cell theory
B. Observed living cells for the first time
C. Identified the nucleus
D. Discovered the cell membrane
Show Answer & Explanation
Correct Answer: B
Anton van Leeuwenhoek was the first to observe and describe living cells, such as bacteria and protozoa.
Q5
Medium
Which of the following statements correctly describes Robert Hooke's findings?
A. He discovered bacteria.
B. He coined the term 'cell' from observing cork.
C. He described the nucleus of a cell.
D. He identified the mitochondria.
Show Answer & Explanation
Correct Answer: B
Robert Hooke used a microscope to observe cork and he named the small boxes he saw 'cells'.
Q6
Medium
Which component was NOT observed by early cell scientists using microscopes?
A. Cell membrane
B. Nucleus
C. Mitochondria
D. Chloroplast
Show Answer & Explanation
Correct Answer: C
Early scientists did not have the technology to observe mitochondria, which were discovered later.
Q7
Medium
What was a major limitation of Hooke’s studies on cells?
A. He only observed dead cells.
B. He lacked a proper microscope.
C. He had no background in biology.
D. He didn't publish his findings.
Show Answer & Explanation
Correct Answer: A
Hooke's observations were limited to dead plant cells, so he could not study living cells.
Q8
Hard
Who is credited with the discovery of cells in 1665?
A. Robert Hooke
B. Anton van Leeuwenhoek
C. Louis Pasteur
D. Matthias Schleiden
Show Answer & Explanation
Correct Answer: A
Robert Hooke was the first to observe and describe cells using a microscope he design. He coined the term 'cell'.
Q9
Hard
Which scientist improved the microscope and observed living microorganisms first?
A. Robert Brown
B. Anton van Leeuwenhoek
C. Theodor Schwann
D. Rudolf Virchow
Show Answer & Explanation
Correct Answer: B
Anton van Leeuwenhoek is renowned for his work in microscopy and was the first to observe bacteria, protozoa, and sperm cells.
Q10
Hard
What structure did Robert Hooke observe under his microscope?
A. Blood cells
B. Bacterial cells
C. Cork cells
D. Plant cells
Show Answer & Explanation
Correct Answer: C
Robert Hooke observed cork cells, which were dead plant cells, under a microscope leading to the discovery of the cell.

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Cell: Structure and Functions — Class 8 Science Practice Questions Online

This page contains 1221 practice MCQs for the chapter Cell: Structure and Functions in Class 8 Science. The questions are organized by difficulty — 364 easy, 599 medium, 258 hard — so you can choose the right level for your preparation.

Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 4 topics, giving you comprehensive coverage of the entire chapter.