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Chapter 4 – Cell Biology Multiple Questions and Answers.
| 6. | Cell theory was proposed by: | ||
| A. | Robert Hooke | ||
| B. | Schwann | ||
| C. | Schleiden | ||
| D. | Both B and C | ||
| 7. | Lignin is present in: | ||
| A. | Primary wall | ||
| B. | Secondary wall | ||
| C. | Both A and B | ||
| D. | None of above | ||
| 8. | There are ___________major types of animals cells. | ||
| A. | 1 Type | ||
| B. | 2 types | ||
| C. | 3 types | ||
| D. | 4 types | ||
| 9. | Phloem tissues are made up of: | ||
| A. | Tracheids & Vessel cells | ||
| B. | Tracheid & companion cells | ||
| C. | Sieve tube cells & companion cells | ||
| D. | Sieve tube cells & trancheids | ||
| 10. | Which of the following movement requires energy in the form of ATP? | ||
| A. | Diffusion | ||
| B. | Osmosis | ||
| C. | Active transport | ||
| D. | Facilitated diffusion | ||
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