Practice 1.1 Introduction to cells with authentic IB Biology exam questions for both SL and HL students. This question bank mirrors Paper 1A, 1B, 2 structure, covering key topics like cell biology, genetics, and ecology. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.
Paper
Level
Question 1
SLPaper 1A
The images are microscopic views of two similar cells.
What is a reason for the differences between the two micrographs?
Question 2
SLPaper 1A
Which of the following features are present in prokaryotic cells?
Question 3
SLPaper 1A
Which of the following features are present in prokaryotes and eukaryotes?
| I | II | III |
|---|---|---|
| cell membrane | nucleus | 80S ribosomes |
Question 4
SLPaper 1A
Which of the following features are present in prokaryotic cells?
| Cell wall | Plasma membrane | Mitochondria | |
|---|---|---|---|
| A. | Yes | Yes | Yes |
| B. | Yes | No | No |
| C. | No | Yes | No |
| D. | Yes | Yes | No |
Question 5
SLPaper 1A
Which of the following features are present in prokaryotic cells?
Question 6
SLPaper 1A
Which of the following characteristics found in a structure necessarily indicates that it is alive?
Question 7
SLPaper 1A
Which statement is part of the cell theory?
Question 8
HLPaper 1A
What distinguishes prokaryotic cells from eukaryotic cells?
| Prokaryotic cells | Eukaryotic cells | |
|---|---|---|
| A. | no plasma membrane | plasma membrane |
| B. | 80 S ribosomes | 70 S ribosomes |
| C. | Golgi apparatus | mitochondria |
| D. | no internal membrane compartments | internal membrane compartments |
Question 9
SLPaper 1A
What evidence supports the cell theory?
Question 10
HLPaper 1A
Which structural feature(s) is/are characteristic of viruses?
I. DNA or RNA
II. A protein coat
III. Ribosomes