Cell Biology Questions Online Test 4

Cell Biology Questions Online Test 4

1. Which of the following correctly matches an organelle with its function?

• Mitochondrion . . . photosynthesis
• Nucleus . . . cellular respiration
• Ribosome . . . manufacture of lipids
• Central vacuole . . . storage

2. By which of the following can movement of materials across animal cell membranes be accomplished?
I Active transport, II Diffusion, III Pinocytosis

• I only
• II only
• I and II only
• All I, II, and III

3. Hydrogen peroxide degradation in a cell is a function of

• Ribosomes
• Mitochondria
• Peroxisomes
• Glyoxisomes

4. Cells are commonly studied in the lab. If you were examining various unlabelled slides of cells under the microscope, you could tell if the cell was from a plant by the presence of

• A nucleus
• A cell membrane
• Cytoplasm
• A cell wall

5. Ribosomes are constructed in the

• Endoplasmic reticulum
• Nucleoid
• Nucleolus
• Nuclear pore

6. Each chloroplast encloses a system of flattened, membranous sacs called

• Cristae
• Thylakoids
• Plastids
• Cisternae

7. Which one of the following is an exception to cell theory

• Bacteria
• Viruses
• Protists
• Protozoans

8. The site of enzymes directing the metabolic oxidation (respiration), ATP synthesis and considered as power house of cell are

• Lysosomes
• Microsomes
• Mitochondria
• Golgi apparatus

9. Dictyosome is also known as

• Golgi body
• Ribosome
• Lysosome
• Peroxisome

10. Biochemically the ribosome consists of _______________ and some 50 structural

• mRNA, Carbohydrates
• tRNA, lipids
• mRNA, Proteins
• rRNA, Proteins

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