This quiz works best with JavaScript enabled. Home > Science > Biology > Biology – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 17 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The earliest organisms that have been on earth the longest A) Prokaryotes. B) Eukaryotes. C) Animals. D) Plants. Show Answer Correct Answer: A) Prokaryotes. 2. What are the fundamental packaging units of eukaryotic chromosomes? A) Nucleosomes. B) Centromeres. C) Histones. D) Nucleoids. Show Answer Correct Answer: A) Nucleosomes. 3. A farmer plants two species of grass with similar nutrient needs on the same small plot of land. What kind of interaction will most likely occur between the two species? A) Parasitism. B) Competition. C) Commensalism. D) Mutualism. Show Answer Correct Answer: B) Competition. 4. This equation:C6H12O6 + 6O2 + ADP + P $\rightarrow$ 6CO2 + 6H2O + Molecule A summarizes the process known as: A) Photosynthesis. B) Fermentation. C) Kreb's cycle. D) Aerobic cellular respiration. Show Answer Correct Answer: D) Aerobic cellular respiration. 5. Made of monomers of nucleotides A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: D) Nucleic Acids. 6. During the Calvin Cycle of photosynthesis ..... A) Energy from sunlight is used to create molecules of ATP. B) Electrons are combined to make chlorophyll. C) ATP is used to make sugar. D) Hydrogen molecules are being made. Show Answer Correct Answer: C) ATP is used to make sugar. 7. Why is it important to have a control group in an experiment? A) Is serves as a comparison. B) It receives the independent variable. C) It's the group you experiment on. D) It's the only group that has constants (controls). Show Answer Correct Answer: A) Is serves as a comparison. 8. This structure packages, sorts and ships things within or out of the cell. A) Golgi apparatus. B) Lysosome. C) Ribosome. D) None of above. Show Answer Correct Answer: A) Golgi apparatus. 9. The variable that changes in response to the independent variable is called the ..... variable. A) Independent. B) Dependent. C) Control. D) Mystery. Show Answer Correct Answer: B) Dependent. 10. What is NOT a topic of biology? A) The relationship between fungi and trees. B) The distribution of sand on an ocean floor. C) The chemicals at work in the stomach. D) None of above. Show Answer Correct Answer: B) The distribution of sand on an ocean floor. 11. Which process provides the raw materials needed for tissue repair? A) Excretion. B) Growth. C) Nutrition. D) Respiration. Show Answer Correct Answer: C) Nutrition. 12. If animals eat plants to get energy, where do plants get their energy? A) Soil. B) Sun. C) Water. D) Wind. Show Answer Correct Answer: B) Sun. 13. A particular forest contains snakes, lizards, hawks, squirrels, bears, oak trees, and several types of plants and mushrooms. Together these organisms make up the forest's ..... A) Community. B) Ecosystem. C) Habitat. D) Population. Show Answer Correct Answer: A) Community. 14. What does Protein do for our body? A) Helps us grow taller. B) Makes our bones stronger. C) Repairs muscles and helps them to grow. D) Helps us to see better. Show Answer Correct Answer: C) Repairs muscles and helps them to grow. 15. What A) Ye. B) No. C) Gerdes. D) MERZANARY. Show Answer Correct Answer: C) Gerdes. 16. According to fossil records, the horses that lived 50 million years ago were much smaller, weaker and slower than modern horses. Which process is most likely responsible for the changes that have led to the increased size, strength, and speed in horses? A) Commensalism. B) Inbreeding. C) Migration. D) Evolution by natural selection. Show Answer Correct Answer: D) Evolution by natural selection. 17. Identify where this occurs:Pairs of sister chromatids align at the equator. A) Metaphase I. B) Metaphase II. C) Anaphase I. D) Anaphase II. Show Answer Correct Answer: B) Metaphase II. 18. If the convalent bond was broken what is release A) Ergonomic. B) Energy. C) Pollution. D) Water molecules. Show Answer Correct Answer: B) Energy. 19. Why would planting more trees be seen as a positive impact on the levels of CO2 in our atmosphere that have led to climate change? A) Plants provide food for consumers to complete cellular respiration. B) Plants remove carbon dioxide (CO2) from the atmosphere for photosynthesis. C) Plants store CO2 in the soil for later use. D) Plants are used to form fossil fuels. Show Answer Correct Answer: B) Plants remove carbon dioxide (CO2) from the atmosphere for photosynthesis. 20. Which do sea turtles breathe with? A) Lungs. B) Gills. C) Spiracles. D) None of above. Show Answer Correct Answer: A) Lungs. ← PreviousNext →Related QuizzesScience QuizzesBiology Quiz 1Biology Quiz 2Biology Quiz 3Biology Quiz 4Biology Quiz 5Biology Quiz 6Biology Quiz 7Biology Quiz 8Biology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books