HESI A2: Biology (Quiz 4) Welcome to your HESI A2 Practice Quizzes. Note: We designed FIVE (5)Â sets of practice quizzes for this Domain. Each set has 30 questions. Domain 3 (quiz 4): Biology. (30 questions) Please click NEXTÂ to start your Free HESI Practice Quizzes right away. Best of Luck! 1. A researcher came up with a hypothesis about the behavior of reptiles in the rainforest. Which step would be prior to stating the hypothesis? A control group Good observation Detailed experimental design Predicting results None 2. After the completion of a particular experiment, the findings have to be shared with the scientific community. How is this typically done? By advertising the data in top research institutes By sharing the results with only those involved in the experimentation By sharing only the conclusion with everybody By publishing in scientific journals None 3. Homo sapiens have changed drastically when compared to the early humans from around five million years ago. The changes are due to __________. Metabolism Reproduction Evolution Homeostasis None 4. Which of the following statements is true for cells? Cells are hereditary factors passed on from parents to offspring. Cells are small, structural, and functional units of life. Cells are the main evolutionary factors. Cells are growth and developmental factors in the species. None 5. What does polarity allow water to do? Repel ions Transport molecules Synthesize substances Destroy toxins None 6. Which atoms CANNOT bond to hydrogen by hydrogen bonding? Carbon Oxygen Nitrogen Fluorine None 7. DNA and RNA are subunits of which type of biologic molecule? Proteins Lipids Nucleic acids Carbohydrates None 8. Bodybuilders are concerned with putting on a significant amount of muscle mass. Which biologic molecule would you recommend a bodybuilder increase consumption of to gain muscle mass? Nucleic acids Carbohydrates Lipids Proteins None 9. Which of the following best defines the function of the cell nucleus during reproduction? The nucleus is responsible for the production of egg and sperm cells. The nucleus contains hereditary units which are passed on from parents to offspring during reproduction. The nucleus helps the fertilization process by attracting the sperm cell to the egg cell. The nucleus plays a major role in zygote formation. None 10. Which of the following functions are carried out by the nucleus? The nucleus synthesizes ribosomes. The nucleus is responsible for the storage of substances in the cell. The nucleus helps in the disposal of wastes from the cell. The nucleus regulates the DNA transcription and translation process. None 11. What are the processes that are involved in fermentation? Glycolysis, oxidative phosphorylation, and NAD+ regeneration Krebs cycle, glycolysis, oxidative phosphorylation NAD+ regeneration and glycolysis only Glycolysis only None 12. Which of the following is not a product in the net reaction for glycolysis? ADP NADH Water Pyruvate None 13. Which of the following is the main source of electrons and hydrogen atoms during photosynthesis? Water Chlorophyll Carbon dioxide Light energy None 14. Which of the following is NOT the function of mitosis? Production of germ cells from diploid cells Growth and development Repair of a wound Replacement of lost or damaged cells None 15. Which of the following phases of mitosis is shown below? Prometaphase Anaphase Metaphase Prophase None 16. Which of the following mechanisms involves the division of a single cell to form cells with half of the original amount of genetic material? Mitosis Binary fission Budding Meiosis None 17. Which of the following lists the phases of meiosis in the correct order? Prophase II, Prophase II, Metaphase II, Metaphase I, Anaphase Ii, Anaphase I, Telophase II, Telophase I, Cytokinesis Prophase I, Prophase II, Metaphase I, Metaphase II, Anaphase I, Anaphase II, Telophase I, Telophase II, Cytokinesis Prophase II, Metaphase II, Anaphase II, Telophase II, cytokinesis. Prophase I, Metaphase I, Anaphase I, Telophase I, Cytokinesis Prophase I, Metaphase I, Anaphase I, Telophase I, Cytokinesis, Prophase II, Metaphase II, Anaphase II, Telophase II, Cytokinesis None 18. Predict the proportions of the produced genotypes for the following Punnett square: 100% GG 50% Gg and 50% gg 100% gg 100% Gg None 19. The color purple (P) is dominant in a plant. If you have a purple plant with an unknown genotype and cross it with a white plant (pp) and get offspring which are 100% purple, what is the genotype of the unknown plant? Uncertain PP Pp pp None 20. RNA is composed of: two long parallel polynucleotide chains one single stranded polynucleotide chain one double stranded polynucleotide chain two long polynucleotide chains twisted in a double helix None 21. Transcription takes place: in the vacuole in the cytoplasm in the endoplasmic reticulum in the nucleus None 22. What is the function of lysosomes? Storage Digestion Protein synthesis Energy production None 23. Which of the following is the fundamental unit of biology? Cell Nucleus Atom Carbohydrates None 24. If an animal cell is left in an unknown solution overnight, and the next day the cell bursts, it can be assumed that the unknown solution is: tonic hypertonic isotonic hypotonic None 25. Which organelle is responsible for storing, modifying and sending out products of the endoplasmic reticulum, such as proteins? Endoplasmic reticulum Lysosomes Ribosomes Golgi apparatus None 26. If a substance is moving across a plasma membrane against the concentration gradient, what type of transport is required? Osmosis Diffusion Passive transport Active transport None 27. Of the following choices, choose the best description of a prokaryotic cell: Contains chromosomes, ribosomes, a plasma membrane and is enclosed in a cell wall Contains a nucleus, cytosol, and cytoplasm but lacks a plasma membrane and cell wall Contains a nucleoid region without chromosomes, cytoplasm and is enclosed in a cell wall Lacks a cell wall and organelles but contains chromosomes, a plasma membrane and is enclosed in a capsule None 28. What is the function of the rough endoplasmic reticulum? Protein synthesis and membrane production Detoxification and metabolism of multiple molecules Cellular respiration Digesting substances in the cell and recycling organelles None 29. Which of the following organelles is responsible for water balance and storage of inorganic ions in plants? Golgi apparatus Lysosome Vacuole Chloroplast None 30. Which of the following is not a function of the cell membrane? Control the movement of substances into and out of the cell Transport of protein from the endoplasmic reticulum to other parts of the cell Intercellular communication Protect the cell from its surroundings None 1 out of 30 Time is Up! Time's up
