Unit 2 Cells Practice Test Cells & Viruses 20 Questions

Organisms that lack a nucleus: 1 Organisms that lack a nucleus: Prokaryotes Eukaryotes Plants Animals

2 An organelle that contains the cell’s genetic information and controls the cell’s activities: Cell membrane Cytoplasm Nucleus Mitochondria

3 This part of a cell is like a gate keeper by regulating what enters and leaves the cell. Nucleus Cell Membrane Mitochondria Vacuole

Which of the following are NOT eukaryotes? 4 Which of the following are NOT eukaryotes? Plants Animals Fungus Bacteria

This organelle creates energy by breaking down food: 5 This organelle creates energy by breaking down food: Cell membrane Cytoplasm Nucleus Mitochondria

Animal cells have all of the following except: 6 Animal cells have all of the following except: a. Chloroplast b. Cell Membrane c. Mitochondria d. Lysosomes

How do viruses reproduce? 7 How do viruses reproduce? Binary fission Mitosis Invading host cells They don’t reproduce

8 Ribosomes Lysosomes Mitochondria Vacuoles Muscles need lots of energy for movement; therefore, muscles have many more of these organelles to provide the needed energy: Ribosomes Lysosomes Mitochondria Vacuoles

9 This virus has been considered eliminated because of a very successful vaccination program? Polio Smallpox Influenza Hepatitis

10 Transpiration Osmosis Homeostasis A jogger sweats during exercise to keep the body cool. This is an example of: Replication Transpiration Osmosis Homeostasis

11 Lysosome Ribosome Mitochondria Chloroplast This organelle is like our intestines, it helps digest or breaks down materials and wastes: Lysosome Ribosome Mitochondria Chloroplast

What is a capsid? 12 a. It contains the virus’ DNA b. A protein coat that surrounds the virus c. A host cell d. Helps will cell movement

This organelle synthesizes/makes proteins: 13 This organelle synthesizes/makes proteins: Lysosome Ribosome Mitochondria Golgi apparatus

Which of the following organelles are in plants but not in animals? 14 Which of the following organelles are in plants but not in animals? Cell membrane Ribsomes Mitochondria Chloroplast

These structures help a cell move: 15 These structures help a cell move: a. Nucleolus and nucleus Cytoplasm and ribosomes Chromosomes Cilia and flagella

Which is an example of a retrovirus? 16 Which is an example of a retrovirus? HIV Herpes virus Influenza Smallpox

These help pump materials across the cell membrane: 17 These help pump materials across the cell membrane: Proteins Lipids Carbohydrates Nucleic acids

18 Golgi appartus Plasma membrane Microfilaments Mitochondria These help cells move, provides support, and is part of the cell’s skeleton: Golgi appartus Plasma membrane Microfilaments Mitochondria

What are vaccines? A substance: 19 What are vaccines? A substance: that contains live and active disease-causing organisms b. with medicine in it c. that contains weakened or killed disease-causing viruses d. with toxic agent in it

The cell theory applies to which of the following organisms? 20 The cell theory applies to which of the following organisms? Plants Bacteria Fungus All of the above

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